data/train.jsonl

{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0000_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1886). 11 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0000_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.5804, 0.4241, 0.6652, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.2679, 0.7589, 0.3571, 0.8259]}, {\"label\": \"land_transition\", \"bbox\": [0.5312, 0.0, 0.5893, 0.0446]}, {\"label\": \"land_transition\", \"bbox\": [0.5268, 0.4866, 0.5938, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.7143, 0.0312, 0.7679, 0.0848]}, {\"label\": \"land_transition\", \"bbox\": [0.7232, 0.8438, 0.7634, 0.8839]}, {\"label\": \"land_transition\", \"bbox\": [0.2143, 0.2188, 0.2545, 0.2679]}, {\"label\": \"land_transition\", \"bbox\": [0.6429, 0.4598, 0.6696, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.6562, 0.5, 0.6875, 0.5402]}, {\"label\": \"land_transition\", \"bbox\": [0.8884, 0.5134, 0.9241, 0.5268]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.2054, 0.308, 0.2455]}]"}]}], "regions": [{"label": "land_transition", "bbox": [130, 95, 149, 123], "area_px": 170}, {"label": "land_transition", "bbox": [60, 170, 80, 185], "area_px": 137}, {"label": "land_transition", "bbox": [119, 0, 132, 10], "area_px": 77}, {"label": "land_transition", "bbox": [118, 109, 133, 116], "area_px": 48}, {"label": "land_transition", "bbox": [160, 7, 172, 19], "area_px": 43}, {"label": "land_transition", "bbox": [162, 189, 171, 198], "area_px": 36}, {"label": "land_transition", "bbox": [48, 49, 57, 60], "area_px": 33}, {"label": "land_transition", "bbox": [144, 103, 150, 111], "area_px": 22}, {"label": "land_transition", "bbox": [147, 112, 154, 121], "area_px": 22}, {"label": "land_transition", "bbox": [199, 115, 207, 118], "area_px": 22}, {"label": "land_transition", "bbox": [65, 46, 69, 55], "area_px": 20}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0001_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1682). 12 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0001_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3259, 0.4241, 0.4152, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7589, 0.1071, 0.8259]}, {\"label\": \"land_transition\", \"bbox\": [0.2812, 0.0, 0.3393, 0.0446]}, {\"label\": \"land_transition\", \"bbox\": [0.4643, 0.0312, 0.5179, 0.0848]}, {\"label\": \"land_transition\", \"bbox\": [0.4732, 0.8438, 0.5134, 0.8839]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.4866, 0.3438, 0.5134]}, {\"label\": \"land_transition\", \"bbox\": [0.8348, 0.0402, 0.9241, 0.0938]}, {\"label\": \"land_transition\", \"bbox\": [0.7589, 0.0, 0.8125, 0.0357]}, {\"label\": \"land_transition\", \"bbox\": [0.0402, 0.2009, 0.058, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.3929, 0.4598, 0.4196, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.4062, 0.5, 0.4375, 0.5402]}, {\"label\": \"land_transition\", \"bbox\": [0.6384, 0.5134, 0.6741, 0.5268]}]"}]}], "regions": [{"label": "land_transition", "bbox": [73, 95, 93, 123], "area_px": 171}, {"label": "land_transition", "bbox": [0, 170, 24, 185], "area_px": 139}, {"label": "land_transition", "bbox": [63, 0, 76, 10], "area_px": 76}, {"label": "land_transition", "bbox": [104, 7, 116, 19], "area_px": 43}, {"label": "land_transition", "bbox": [106, 189, 115, 198], "area_px": 36}, {"label": "land_transition", "bbox": [65, 109, 77, 115], "area_px": 35}, {"label": "land_transition", "bbox": [187, 9, 207, 21], "area_px": 27}, {"label": "land_transition", "bbox": [170, 0, 182, 8], "area_px": 23}, {"label": "land_transition", "bbox": [9, 45, 13, 55], "area_px": 22}, {"label": "land_transition", "bbox": [88, 103, 94, 111], "area_px": 22}, {"label": "land_transition", "bbox": [91, 112, 98, 121], "area_px": 22}, {"label": "land_transition", "bbox": [143, 115, 151, 118], "area_px": 22}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0002_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1176). 8 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0002_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0804, 0.4241, 0.1875, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.0312, 0.0, 0.0893, 0.0446]}, {\"label\": \"land_transition\", \"bbox\": [0.0268, 0.4866, 0.0938, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.2143, 0.0312, 0.2679, 0.0848]}, {\"label\": \"land_transition\", \"bbox\": [0.2277, 0.8438, 0.2634, 0.8839]}, {\"label\": \"land_transition\", \"bbox\": [0.5848, 0.0402, 0.6741, 0.0938]}, {\"label\": \"land_transition\", \"bbox\": [0.5089, 0.0, 0.5625, 0.0357]}, {\"label\": \"land_transition\", \"bbox\": [0.3884, 0.5134, 0.4241, 0.5268]}]"}]}], "regions": [{"label": "land_transition", "bbox": [18, 95, 42, 123], "area_px": 199}, {"label": "land_transition", "bbox": [7, 0, 20, 10], "area_px": 77}, {"label": "land_transition", "bbox": [6, 109, 21, 116], "area_px": 48}, {"label": "land_transition", "bbox": [48, 7, 60, 19], "area_px": 43}, {"label": "land_transition", "bbox": [51, 189, 59, 198], "area_px": 31}, {"label": "land_transition", "bbox": [131, 9, 151, 21], "area_px": 27}, {"label": "land_transition", "bbox": [114, 0, 126, 8], "area_px": 23}, {"label": "land_transition", "bbox": [87, 115, 95, 118], "area_px": 22}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0003_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (608). 5 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0003_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3348, 0.0402, 0.4241, 0.0938]}, {\"label\": \"land_transition\", \"bbox\": [0.2589, 0.0, 0.3125, 0.0357]}, {\"label\": \"land_transition\", \"bbox\": [0.1384, 0.5134, 0.1741, 0.5268]}, {\"label\": \"land_transition\", \"bbox\": [0.9018, 0.6339, 0.933, 0.6473]}, {\"label\": \"land_transition\", \"bbox\": [0.8973, 0.75, 0.9196, 0.7634]}]"}]}], "regions": [{"label": "land_transition", "bbox": [75, 9, 95, 21], "area_px": 27}, {"label": "land_transition", "bbox": [58, 0, 70, 8], "area_px": 23}, {"label": "land_transition", "bbox": [31, 115, 39, 118], "area_px": 23}, {"label": "land_transition", "bbox": [202, 142, 209, 145], "area_px": 20}, {"label": "land_transition", "bbox": [201, 168, 206, 171], "area_px": 17}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0004_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1719). 8 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0004_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.5804, 0.1741, 0.6652, 0.2991]}, {\"label\": \"land_transition\", \"bbox\": [0.2679, 0.5089, 0.3571, 0.5759]}, {\"label\": \"land_transition\", \"bbox\": [0.5268, 0.2321, 0.5938, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.7232, 0.5938, 0.7634, 0.6339]}, {\"label\": \"land_transition\", \"bbox\": [0.6562, 0.25, 0.692, 0.2902]}, {\"label\": \"land_transition\", \"bbox\": [0.8884, 0.2634, 0.9241, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.6429, 0.2098, 0.6696, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.7723, 0.2634, 0.7946, 0.2946]}]"}]}], "regions": [{"label": "land_transition", "bbox": [130, 39, 149, 67], "area_px": 166}, {"label": "land_transition", "bbox": [60, 114, 80, 129], "area_px": 137}, {"label": "land_transition", "bbox": [118, 52, 133, 62], "area_px": 52}, {"label": "land_transition", "bbox": [162, 133, 171, 142], "area_px": 36}, {"label": "land_transition", "bbox": [147, 56, 155, 65], "area_px": 25}, {"label": "land_transition", "bbox": [199, 59, 207, 62], "area_px": 25}, {"label": "land_transition", "bbox": [144, 47, 150, 55], "area_px": 23}, {"label": "land_transition", "bbox": [173, 59, 178, 66], "area_px": 17}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0005_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1508). 10 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0005_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3259, 0.1741, 0.4152, 0.2991]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5089, 0.1071, 0.5759]}, {\"label\": \"land_transition\", \"bbox\": [0.4732, 0.5938, 0.5134, 0.6339]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.2321, 0.3438, 0.2589]}, {\"label\": \"land_transition\", \"bbox\": [0.4062, 0.25, 0.442, 0.2902]}, {\"label\": \"land_transition\", \"bbox\": [0.6384, 0.2634, 0.6741, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.3929, 0.2098, 0.4196, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.2768, 0.2411, 0.317, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.2143, 0.0223, 0.2411, 0.0536]}, {\"label\": \"land_transition\", \"bbox\": [0.5223, 0.2634, 0.5446, 0.2946]}]"}]}], "regions": [{"label": "land_transition", "bbox": [73, 39, 93, 67], "area_px": 167}, {"label": "land_transition", "bbox": [0, 114, 24, 129], "area_px": 139}, {"label": "land_transition", "bbox": [106, 133, 115, 142], "area_px": 36}, {"label": "land_transition", "bbox": [65, 52, 77, 58], "area_px": 34}, {"label": "land_transition", "bbox": [91, 56, 99, 65], "area_px": 25}, {"label": "land_transition", "bbox": [143, 59, 151, 62], "area_px": 25}, {"label": "land_transition", "bbox": [88, 47, 94, 55], "area_px": 23}, {"label": "land_transition", "bbox": [62, 54, 71, 62], "area_px": 18}, {"label": "land_transition", "bbox": [48, 5, 54, 12], "area_px": 17}, {"label": "land_transition", "bbox": [117, 59, 122, 66], "area_px": 17}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0006_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1049). 5 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0006_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0804, 0.1741, 0.192, 0.2991]}, {\"label\": \"land_transition\", \"bbox\": [0.0268, 0.2321, 0.0938, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.2277, 0.5938, 0.2634, 0.6339]}, {\"label\": \"land_transition\", \"bbox\": [0.3884, 0.2634, 0.4241, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.2723, 0.2634, 0.2946, 0.2946]}]"}]}], "regions": [{"label": "land_transition", "bbox": [18, 39, 43, 67], "area_px": 196}, {"label": "land_transition", "bbox": [6, 52, 21, 62], "area_px": 52}, {"label": "land_transition", "bbox": [51, 133, 59, 142], "area_px": 31}, {"label": "land_transition", "bbox": [87, 59, 95, 62], "area_px": 25}, {"label": "land_transition", "bbox": [61, 59, 66, 66], "area_px": 17}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0007_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (548). 4 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0007_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.1384, 0.2634, 0.1741, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.9018, 0.3839, 0.933, 0.3973]}, {\"label\": \"land_transition\", \"bbox\": [0.0223, 0.2634, 0.0446, 0.2946]}, {\"label\": \"land_transition\", \"bbox\": [0.8973, 0.5, 0.9196, 0.5134]}]"}]}], "regions": [{"label": "land_transition", "bbox": [31, 59, 39, 62], "area_px": 25}, {"label": "land_transition", "bbox": [202, 86, 209, 89], "area_px": 20}, {"label": "land_transition", "bbox": [5, 59, 10, 66], "area_px": 17}, {"label": "land_transition", "bbox": [201, 112, 206, 115], "area_px": 17}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0008_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1501). 8 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0008_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.2634, 0.8527, 0.3438, 0.9375]}, {\"label\": \"land_transition\", \"bbox\": [0.2679, 0.2723, 0.3393, 0.3259]}, {\"label\": \"land_transition\", \"bbox\": [0.6071, 0.0, 0.6652, 0.0491]}, {\"label\": \"land_transition\", \"bbox\": [0.7232, 0.3438, 0.7634, 0.3839]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.8616, 0.2768, 0.8884]}, {\"label\": \"land_transition\", \"bbox\": [0.3304, 0.2589, 0.3571, 0.2946]}, {\"label\": \"land_transition\", \"bbox\": [0.6562, 0.0, 0.6875, 0.0402]}, {\"label\": \"land_transition\", \"bbox\": [0.8884, 0.0134, 0.9241, 0.0268]}]"}]}], "regions": [{"label": "land_transition", "bbox": [59, 191, 77, 210], "area_px": 134}, {"label": "land_transition", "bbox": [60, 61, 76, 73], "area_px": 109}, {"label": "land_transition", "bbox": [136, 0, 149, 11], "area_px": 53}, {"label": "land_transition", "bbox": [162, 77, 171, 86], "area_px": 36}, {"label": "land_transition", "bbox": [55, 193, 62, 199], "area_px": 28}, {"label": "land_transition", "bbox": [74, 58, 80, 66], "area_px": 26}, {"label": "land_transition", "bbox": [147, 0, 154, 9], "area_px": 22}, {"label": "land_transition", "bbox": [199, 3, 207, 6], "area_px": 22}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0009_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1403). 8 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0009_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0134, 0.8661, 0.0938, 0.9375]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2679, 0.0893, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.3571, 0.0, 0.4152, 0.0491]}, {\"label\": \"land_transition\", \"bbox\": [0.4732, 0.3438, 0.5134, 0.3839]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.8616, 0.0268, 0.8929]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.2589, 0.1071, 0.2946]}, {\"label\": \"land_transition\", \"bbox\": [0.4062, 0.0, 0.4375, 0.0402]}, {\"label\": \"land_transition\", \"bbox\": [0.6384, 0.0134, 0.6741, 0.0268]}]"}]}], "regions": [{"label": "land_transition", "bbox": [3, 194, 21, 210], "area_px": 126}, {"label": "land_transition", "bbox": [0, 60, 20, 72], "area_px": 113}, {"label": "land_transition", "bbox": [80, 0, 93, 11], "area_px": 53}, {"label": "land_transition", "bbox": [106, 77, 115, 86], "area_px": 36}, {"label": "land_transition", "bbox": [0, 193, 6, 200], "area_px": 27}, {"label": "land_transition", "bbox": [18, 58, 24, 66], "area_px": 26}, {"label": "land_transition", "bbox": [91, 0, 98, 9], "area_px": 22}, {"label": "land_transition", "bbox": [143, 3, 151, 6], "area_px": 22}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0010_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (842). 3 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0010_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.1071, 0.0, 0.1875, 0.0491]}, {\"label\": \"land_transition\", \"bbox\": [0.2277, 0.3438, 0.2634, 0.3839]}, {\"label\": \"land_transition\", \"bbox\": [0.3884, 0.0134, 0.4241, 0.0268]}]"}]}], "regions": [{"label": "land_transition", "bbox": [24, 0, 42, 11], "area_px": 81}, {"label": "land_transition", "bbox": [51, 77, 59, 86], "area_px": 31}, {"label": "land_transition", "bbox": [87, 3, 95, 6], "area_px": 22}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0011_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (542). 2 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0011_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.1384, 0.0134, 0.1741, 0.0268]}, {\"label\": \"land_transition\", \"bbox\": [0.9018, 0.1339, 0.933, 0.1473]}]"}]}], "regions": [{"label": "land_transition", "bbox": [31, 3, 39, 6], "area_px": 23}, {"label": "land_transition", "bbox": [202, 30, 209, 33], "area_px": 23}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0012_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1383). 5 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0012_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.2679, 0.0089, 0.3571, 0.0759]}, {\"label\": \"land_transition\", \"bbox\": [0.2634, 0.6027, 0.3438, 0.6875]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.9196, 0.1696, 0.9688]}, {\"label\": \"land_transition\", \"bbox\": [0.7232, 0.0938, 0.7634, 0.1339]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.6116, 0.2768, 0.6384]}]"}]}], "regions": [{"label": "land_transition", "bbox": [60, 2, 80, 17], "area_px": 137}, {"label": "land_transition", "bbox": [59, 135, 77, 154], "area_px": 134}, {"label": "land_transition", "bbox": [18, 206, 38, 217], "area_px": 89}, {"label": "land_transition", "bbox": [162, 21, 171, 30], "area_px": 36}, {"label": "land_transition", "bbox": [55, 137, 62, 143], "area_px": 28}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0013_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1091). 4 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0013_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0089, 0.1071, 0.0759]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.6161, 0.0938, 0.6875]}, {\"label\": \"land_transition\", \"bbox\": [0.4732, 0.0938, 0.5134, 0.1339]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.6116, 0.0268, 0.6429]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 2, 24, 17], "area_px": 139}, {"label": "land_transition", "bbox": [3, 138, 21, 154], "area_px": 126}, {"label": "land_transition", "bbox": [106, 21, 115, 30], "area_px": 36}, {"label": "land_transition", "bbox": [0, 137, 6, 144], "area_px": 27}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0014_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (573). 2 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0014_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.2277, 0.0938, 0.2634, 0.1339]}, {\"label\": \"land_transition\", \"bbox\": [0.7768, 0.9643, 0.7991, 0.9955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [51, 21, 59, 30], "area_px": 31}, {"label": "land_transition", "bbox": [174, 216, 179, 223], "area_px": 26}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0015_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-23 and 2025-07-16) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (397). 2 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00000_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00000_t0015_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.5268, 0.9643, 0.5491, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.8973, 0.0, 0.9196, 0.0134]}]"}]}], "regions": [{"label": "land_transition", "bbox": [118, 216, 123, 223], "area_px": 26}, {"label": "land_transition", "bbox": [201, 0, 206, 3], "area_px": 17}], "metadata": {"event_id": "landshift_00000", "profile": "landshift", "tile_stem": "landshift_00000_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0000_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0001_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0002_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0003_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0004_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0005_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0006_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0007_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0008_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0009_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0010_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0011_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0012_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0013_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0014_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00003_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00003_t0015_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00003", "profile": "landshift", "tile_stem": "landshift_00003_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0000_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (7417). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0000_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.7054, 0.308, 0.9732, 0.5938]}, {\"label\": \"land_transition\", \"bbox\": [0.3661, 0.7812, 0.5848, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.1339, 0.5446, 0.2589, 0.7188]}, {\"label\": \"land_transition\", \"bbox\": [0.4196, 0.3036, 0.6518, 0.433]}, {\"label\": \"land_transition\", \"bbox\": [0.625, 0.8036, 0.75, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6473, 0.308, 0.7321, 0.4554]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.5312, 0.7143, 0.6429]}, {\"label\": \"land_transition\", \"bbox\": [0.4821, 0.5045, 0.5804, 0.6027]}, {\"label\": \"land_transition\", \"bbox\": [0.2723, 0.567, 0.3705, 0.6429]}, {\"label\": \"land_transition\", \"bbox\": [0.5134, 0.7098, 0.5982, 0.7812]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.4643, 0.1429, 0.5312]}, {\"label\": \"land_transition\", \"bbox\": [0.7589, 0.6339, 0.8259, 0.6875]}, {\"label\": \"land_transition\", \"bbox\": [0.5134, 0.942, 0.6071, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0446, 0.4152, 0.0938, 0.5]}, {\"label\": \"land_transition\", \"bbox\": [0.3527, 0.9375, 0.4152, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.1518, 0.4955, 0.2277, 0.5625]}, {\"label\": \"land_transition\", \"bbox\": [0.7634, 0.6964, 0.8214, 0.75]}, {\"label\": \"land_transition\", \"bbox\": [0.5089, 0.5804, 0.5625, 0.6339]}, {\"label\": \"land_transition\", \"bbox\": [0.5714, 0.3393, 0.6205, 0.3884]}, {\"label\": \"land_transition\", \"bbox\": [0.942, 0.7009, 0.9911, 0.7321]}]"}]}], "regions": [{"label": "land_transition", "bbox": [158, 69, 218, 133], "area_px": 1027}, {"label": "land_transition", "bbox": [82, 175, 131, 223], "area_px": 785}, {"label": "land_transition", "bbox": [30, 122, 58, 161], "area_px": 481}, {"label": "land_transition", "bbox": [94, 68, 146, 97], "area_px": 472}, {"label": "land_transition", "bbox": [140, 180, 168, 223], "area_px": 340}, {"label": "land_transition", "bbox": [145, 69, 164, 102], "area_px": 215}, {"label": "land_transition", "bbox": [132, 119, 160, 144], "area_px": 215}, {"label": "land_transition", "bbox": [108, 113, 130, 135], "area_px": 168}, {"label": "land_transition", "bbox": [61, 127, 83, 144], "area_px": 158}, {"label": "land_transition", "bbox": [115, 159, 134, 175], "area_px": 93}, {"label": "land_transition", "bbox": [18, 104, 32, 119], "area_px": 92}, {"label": "land_transition", "bbox": [170, 142, 185, 154], "area_px": 85}, {"label": "land_transition", "bbox": [115, 211, 136, 223], "area_px": 79}, {"label": "land_transition", "bbox": [10, 93, 21, 112], "area_px": 77}, {"label": "land_transition", "bbox": [79, 210, 93, 223], "area_px": 72}, {"label": "land_transition", "bbox": [34, 111, 51, 126], "area_px": 68}, {"label": "land_transition", "bbox": [171, 156, 184, 168], "area_px": 65}, {"label": "land_transition", "bbox": [114, 130, 126, 142], "area_px": 59}, {"label": "land_transition", "bbox": [128, 76, 139, 87], "area_px": 52}, {"label": "land_transition", "bbox": [211, 157, 222, 164], "area_px": 51}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0001_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (6795). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0001_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.4554, 0.308, 0.7232, 0.5938]}, {\"label\": \"land_transition\", \"bbox\": [0.1161, 0.7812, 0.3348, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.1741, 0.3036, 0.4018, 0.433]}, {\"label\": \"land_transition\", \"bbox\": [0.375, 0.8036, 0.5, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.3973, 0.308, 0.4821, 0.4554]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.5312, 0.4643, 0.6429]}, {\"label\": \"land_transition\", \"bbox\": [0.8839, 0.4286, 0.9955, 0.5536]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.5045, 0.3304, 0.6027]}, {\"label\": \"land_transition\", \"bbox\": [0.0223, 0.567, 0.1205, 0.6429]}, {\"label\": \"land_transition\", \"bbox\": [0.5089, 0.6339, 0.5759, 0.6875]}, {\"label\": \"land_transition\", \"bbox\": [0.2634, 0.942, 0.3571, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2679, 0.7098, 0.3348, 0.7812]}, {\"label\": \"land_transition\", \"bbox\": [0.1027, 0.9375, 0.1652, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.8036, 0.7411, 0.8705, 0.7946]}, {\"label\": \"land_transition\", \"bbox\": [0.5134, 0.6964, 0.5714, 0.75]}, {\"label\": \"land_transition\", \"bbox\": [0.2634, 0.5804, 0.3125, 0.6339]}, {\"label\": \"land_transition\", \"bbox\": [0.8661, 0.4152, 0.933, 0.4509]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.7009, 0.7411, 0.7321]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.3036, 0.0536, 0.3393]}, {\"label\": \"land_transition\", \"bbox\": [0.3884, 0.7366, 0.433, 0.7768]}]"}]}], "regions": [{"label": "land_transition", "bbox": [102, 69, 162, 133], "area_px": 1027}, {"label": "land_transition", "bbox": [26, 175, 75, 223], "area_px": 787}, {"label": "land_transition", "bbox": [39, 68, 90, 97], "area_px": 475}, {"label": "land_transition", "bbox": [84, 180, 112, 223], "area_px": 340}, {"label": "land_transition", "bbox": [89, 69, 108, 102], "area_px": 215}, {"label": "land_transition", "bbox": [76, 119, 104, 144], "area_px": 215}, {"label": "land_transition", "bbox": [198, 96, 223, 124], "area_px": 172}, {"label": "land_transition", "bbox": [52, 113, 74, 135], "area_px": 160}, {"label": "land_transition", "bbox": [5, 127, 27, 144], "area_px": 157}, {"label": "land_transition", "bbox": [114, 142, 129, 154], "area_px": 85}, {"label": "land_transition", "bbox": [59, 211, 80, 223], "area_px": 84}, {"label": "land_transition", "bbox": [60, 159, 75, 175], "area_px": 81}, {"label": "land_transition", "bbox": [23, 210, 37, 223], "area_px": 72}, {"label": "land_transition", "bbox": [180, 166, 195, 178], "area_px": 69}, {"label": "land_transition", "bbox": [115, 156, 128, 168], "area_px": 65}, {"label": "land_transition", "bbox": [59, 130, 70, 142], "area_px": 55}, {"label": "land_transition", "bbox": [194, 93, 209, 101], "area_px": 51}, {"label": "land_transition", "bbox": [155, 157, 166, 164], "area_px": 51}, {"label": "land_transition", "bbox": [3, 68, 12, 76], "area_px": 50}, {"label": "land_transition", "bbox": [87, 165, 97, 174], "area_px": 50}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0002_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (7467). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0002_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.6339, 0.308, 0.9955, 0.5536]}, {\"label\": \"land_transition\", \"bbox\": [0.2009, 0.308, 0.4732, 0.5982]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7946, 0.0848, 0.9107]}, {\"label\": \"land_transition\", \"bbox\": [0.125, 0.8393, 0.25, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.8482, 0.8393, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.8438, 0.8393, 0.9866, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.1473, 0.308, 0.2366, 0.4554]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.5312, 0.2143, 0.6384]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.3036, 0.1339, 0.3705]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5045, 0.0804, 0.6027]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.7098, 0.0982, 0.7812]}, {\"label\": \"land_transition\", \"bbox\": [0.9286, 0.5, 0.9955, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.942, 0.1071, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2589, 0.6339, 0.3259, 0.6875]}, {\"label\": \"land_transition\", \"bbox\": [0.5536, 0.7411, 0.6205, 0.7946]}, {\"label\": \"land_transition\", \"bbox\": [0.2679, 0.6964, 0.3214, 0.75]}, {\"label\": \"land_transition\", \"bbox\": [0.0089, 0.5804, 0.0625, 0.6339]}, {\"label\": \"land_transition\", \"bbox\": [0.0714, 0.3393, 0.1205, 0.3884]}, {\"label\": \"land_transition\", \"bbox\": [0.6161, 0.4152, 0.683, 0.4509]}, {\"label\": \"land_transition\", \"bbox\": [0.442, 0.7009, 0.4911, 0.7321]}]"}]}], "regions": [{"label": "land_transition", "bbox": [142, 69, 223, 124], "area_px": 1192}, {"label": "land_transition", "bbox": [45, 69, 106, 134], "area_px": 1031}, {"label": "land_transition", "bbox": [0, 178, 19, 204], "area_px": 304}, {"label": "land_transition", "bbox": [28, 188, 56, 223], "area_px": 298}, {"label": "land_transition", "bbox": [159, 190, 188, 223], "area_px": 295}, {"label": "land_transition", "bbox": [189, 188, 221, 223], "area_px": 274}, {"label": "land_transition", "bbox": [33, 69, 53, 102], "area_px": 221}, {"label": "land_transition", "bbox": [20, 119, 48, 143], "area_px": 206}, {"label": "land_transition", "bbox": [0, 68, 30, 83], "area_px": 195}, {"label": "land_transition", "bbox": [0, 113, 18, 135], "area_px": 148}, {"label": "land_transition", "bbox": [3, 159, 22, 175], "area_px": 93}, {"label": "land_transition", "bbox": [208, 112, 223, 123], "area_px": 89}, {"label": "land_transition", "bbox": [3, 211, 24, 223], "area_px": 79}, {"label": "land_transition", "bbox": [58, 142, 73, 154], "area_px": 76}, {"label": "land_transition", "bbox": [124, 166, 139, 178], "area_px": 69}, {"label": "land_transition", "bbox": [60, 156, 72, 168], "area_px": 68}, {"label": "land_transition", "bbox": [2, 130, 14, 142], "area_px": 59}, {"label": "land_transition", "bbox": [16, 76, 27, 87], "area_px": 52}, {"label": "land_transition", "bbox": [138, 93, 153, 101], "area_px": 51}, {"label": "land_transition", "bbox": [99, 157, 110, 164], "area_px": 51}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0003_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (7702). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0003_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3839, 0.308, 0.7768, 0.5536]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.308, 0.2232, 0.5938]}, {\"label\": \"land_transition\", \"bbox\": [0.7545, 0.3036, 0.9955, 0.4241]}, {\"label\": \"land_transition\", \"bbox\": [0.8705, 0.5759, 0.9955, 0.7098]}, {\"label\": \"land_transition\", \"bbox\": [0.8705, 0.3973, 0.9955, 0.5759]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.8482, 0.5893, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5938, 0.8393, 0.7366, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.8482, 0.8571, 0.9196, 0.9688]}, {\"label\": \"land_transition\", \"bbox\": [0.6786, 0.5, 0.7634, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.0089, 0.6339, 0.0759, 0.6875]}, {\"label\": \"land_transition\", \"bbox\": [0.3036, 0.7411, 0.3705, 0.7946]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.6964, 0.0714, 0.75]}, {\"label\": \"land_transition\", \"bbox\": [0.7946, 0.6696, 0.8438, 0.7188]}, {\"label\": \"land_transition\", \"bbox\": [0.8661, 0.8036, 0.9062, 0.8482]}, {\"label\": \"land_transition\", \"bbox\": [0.3661, 0.4152, 0.433, 0.4509]}, {\"label\": \"land_transition\", \"bbox\": [0.9598, 0.9509, 0.9955, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6027, 0.5938, 0.6295, 0.6786]}, {\"label\": \"land_transition\", \"bbox\": [0.192, 0.7009, 0.2277, 0.7321]}, {\"label\": \"land_transition\", \"bbox\": [0.5179, 0.75, 0.5402, 0.7946]}, {\"label\": \"land_transition\", \"bbox\": [0.7411, 0.6339, 0.7723, 0.6652]}]"}]}], "regions": [{"label": "land_transition", "bbox": [86, 69, 174, 124], "area_px": 1230}, {"label": "land_transition", "bbox": [0, 69, 50, 133], "area_px": 981}, {"label": "land_transition", "bbox": [169, 68, 223, 95], "area_px": 601}, {"label": "land_transition", "bbox": [195, 129, 223, 159], "area_px": 376}, {"label": "land_transition", "bbox": [195, 89, 223, 129], "area_px": 334}, {"label": "land_transition", "bbox": [103, 190, 132, 223], "area_px": 295}, {"label": "land_transition", "bbox": [133, 188, 165, 223], "area_px": 274}, {"label": "land_transition", "bbox": [190, 192, 206, 217], "area_px": 138}, {"label": "land_transition", "bbox": [152, 112, 171, 123], "area_px": 99}, {"label": "land_transition", "bbox": [2, 142, 17, 154], "area_px": 85}, {"label": "land_transition", "bbox": [68, 166, 83, 178], "area_px": 68}, {"label": "land_transition", "bbox": [3, 156, 16, 168], "area_px": 65}, {"label": "land_transition", "bbox": [178, 150, 189, 161], "area_px": 59}, {"label": "land_transition", "bbox": [194, 180, 203, 190], "area_px": 52}, {"label": "land_transition", "bbox": [82, 93, 97, 101], "area_px": 51}, {"label": "land_transition", "bbox": [215, 213, 223, 223], "area_px": 44}, {"label": "land_transition", "bbox": [135, 133, 141, 152], "area_px": 43}, {"label": "land_transition", "bbox": [43, 157, 51, 164], "area_px": 41}, {"label": "land_transition", "bbox": [116, 168, 121, 178], "area_px": 35}, {"label": "land_transition", "bbox": [166, 142, 173, 149], "area_px": 31}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0004_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (10867). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0004_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.1652, 0.7679, 0.3527, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7054, 0.058, 0.9732, 0.3438]}, {\"label\": \"land_transition\", \"bbox\": [0.3661, 0.5312, 0.5848, 0.7545]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.5536, 0.75, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.1339, 0.2857, 0.2589, 0.4688]}, {\"label\": \"land_transition\", \"bbox\": [0.7054, 0.7857, 0.8125, 0.933]}, {\"label\": \"land_transition\", \"bbox\": [0.4196, 0.0536, 0.6473, 0.183]}, {\"label\": \"land_transition\", \"bbox\": [0.4375, 0.808, 0.567, 0.9464]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7188, 0.0759, 0.942]}, {\"label\": \"land_transition\", \"bbox\": [0.4821, 0.2545, 0.5804, 0.3839]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.2812, 0.7143, 0.3929]}, {\"label\": \"land_transition\", \"bbox\": [0.6473, 0.058, 0.7321, 0.2054]}, {\"label\": \"land_transition\", \"bbox\": [0.2723, 0.317, 0.3705, 0.3929]}, {\"label\": \"land_transition\", \"bbox\": [0.3929, 0.9688, 0.4955, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5134, 0.692, 0.6071, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.5134, 0.4598, 0.5982, 0.5312]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.2143, 0.1384, 0.2812]}, {\"label\": \"land_transition\", \"bbox\": [0.7589, 0.3839, 0.8259, 0.4375]}, {\"label\": \"land_transition\", \"bbox\": [0.0446, 0.1652, 0.0938, 0.25]}, {\"label\": \"land_transition\", \"bbox\": [0.3527, 0.6875, 0.4152, 0.75]}]"}]}], "regions": [{"label": "land_transition", "bbox": [37, 172, 79, 223], "area_px": 1000}, {"label": "land_transition", "bbox": [158, 13, 218, 77], "area_px": 994}, {"label": "land_transition", "bbox": [82, 119, 131, 169], "area_px": 787}, {"label": "land_transition", "bbox": [132, 124, 168, 186], "area_px": 524}, {"label": "land_transition", "bbox": [30, 64, 58, 105], "area_px": 498}, {"label": "land_transition", "bbox": [158, 176, 182, 209], "area_px": 464}, {"label": "land_transition", "bbox": [94, 12, 145, 41], "area_px": 450}, {"label": "land_transition", "bbox": [98, 181, 127, 212], "area_px": 336}, {"label": "land_transition", "bbox": [0, 161, 17, 211], "area_px": 282}, {"label": "land_transition", "bbox": [108, 57, 130, 86], "area_px": 230}, {"label": "land_transition", "bbox": [132, 63, 160, 88], "area_px": 217}, {"label": "land_transition", "bbox": [145, 13, 164, 46], "area_px": 212}, {"label": "land_transition", "bbox": [61, 71, 83, 88], "area_px": 160}, {"label": "land_transition", "bbox": [88, 217, 111, 223], "area_px": 115}, {"label": "land_transition", "bbox": [115, 155, 136, 172], "area_px": 98}, {"label": "land_transition", "bbox": [115, 103, 134, 119], "area_px": 93}, {"label": "land_transition", "bbox": [18, 48, 31, 63], "area_px": 86}, {"label": "land_transition", "bbox": [170, 86, 185, 98], "area_px": 85}, {"label": "land_transition", "bbox": [10, 37, 21, 56], "area_px": 84}, {"label": "land_transition", "bbox": [79, 154, 93, 168], "area_px": 74}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0005_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (9698). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0005_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.4554, 0.058, 0.7232, 0.3438]}, {\"label\": \"land_transition\", \"bbox\": [0.1161, 0.5312, 0.3348, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7679, 0.1027, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.5536, 0.5, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.4554, 0.7857, 0.5625, 0.933]}, {\"label\": \"land_transition\", \"bbox\": [0.1741, 0.0536, 0.3973, 0.183]}, {\"label\": \"land_transition\", \"bbox\": [0.1875, 0.808, 0.317, 0.9464]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.2545, 0.3304, 0.3839]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.2812, 0.4643, 0.3929]}, {\"label\": \"land_transition\", \"bbox\": [0.3973, 0.058, 0.4821, 0.2054]}, {\"label\": \"land_transition\", \"bbox\": [0.8839, 0.1786, 0.9955, 0.3036]}, {\"label\": \"land_transition\", \"bbox\": [0.0223, 0.317, 0.1205, 0.3929]}, {\"label\": \"land_transition\", \"bbox\": [0.1429, 0.9688, 0.2455, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2634, 0.692, 0.3571, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.5089, 0.3839, 0.5759, 0.4375]}, {\"label\": \"land_transition\", \"bbox\": [0.2679, 0.4598, 0.3348, 0.5312]}, {\"label\": \"land_transition\", \"bbox\": [0.1027, 0.6875, 0.1652, 0.75]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.933, 0.4152, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.8036, 0.4911, 0.8705, 0.5446]}, {\"label\": \"land_transition\", \"bbox\": [0.5134, 0.4464, 0.5714, 0.5]}]"}]}], "regions": [{"label": "land_transition", "bbox": [102, 13, 162, 77], "area_px": 994}, {"label": "land_transition", "bbox": [26, 119, 75, 172], "area_px": 793}, {"label": "land_transition", "bbox": [0, 172, 23, 223], "area_px": 598}, {"label": "land_transition", "bbox": [76, 124, 112, 186], "area_px": 524}, {"label": "land_transition", "bbox": [102, 176, 126, 209], "area_px": 464}, {"label": "land_transition", "bbox": [39, 12, 89, 41], "area_px": 452}, {"label": "land_transition", "bbox": [42, 181, 71, 212], "area_px": 337}, {"label": "land_transition", "bbox": [52, 57, 74, 86], "area_px": 225}, {"label": "land_transition", "bbox": [76, 63, 104, 88], "area_px": 217}, {"label": "land_transition", "bbox": [89, 13, 108, 46], "area_px": 212}, {"label": "land_transition", "bbox": [198, 40, 223, 68], "area_px": 170}, {"label": "land_transition", "bbox": [5, 71, 27, 88], "area_px": 160}, {"label": "land_transition", "bbox": [32, 217, 55, 223], "area_px": 115}, {"label": "land_transition", "bbox": [59, 155, 80, 172], "area_px": 103}, {"label": "land_transition", "bbox": [114, 86, 129, 98], "area_px": 85}, {"label": "land_transition", "bbox": [60, 103, 75, 119], "area_px": 81}, {"label": "land_transition", "bbox": [23, 154, 37, 168], "area_px": 74}, {"label": "land_transition", "bbox": [76, 209, 93, 223], "area_px": 74}, {"label": "land_transition", "bbox": [180, 110, 195, 122], "area_px": 69}, {"label": "land_transition", "bbox": [115, 100, 128, 112], "area_px": 65}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0006_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (10121). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0006_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.6339, 0.058, 0.9955, 0.3036]}, {\"label\": \"land_transition\", \"bbox\": [0.2009, 0.058, 0.4732, 0.3482]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.5893, 0.25, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.2054, 0.7857, 0.3125, 0.933]}, {\"label\": \"land_transition\", \"bbox\": [0.6964, 0.7455, 0.8527, 0.9777]}, {\"label\": \"land_transition\", \"bbox\": [0.8438, 0.5893, 0.9866, 0.8125]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5446, 0.0848, 0.6607]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.5982, 0.8393, 0.75]}, {\"label\": \"land_transition\", \"bbox\": [0.1473, 0.058, 0.2366, 0.2054]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2545, 0.0804, 0.3839]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.2812, 0.2143, 0.3884]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0536, 0.1339, 0.1205]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.808, 0.067, 0.9018]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.692, 0.1071, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.4598, 0.0982, 0.5312]}, {\"label\": \"land_transition\", \"bbox\": [0.9286, 0.25, 0.9955, 0.2991]}, {\"label\": \"land_transition\", \"bbox\": [0.2589, 0.3839, 0.3259, 0.4375]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.933, 0.1652, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5536, 0.4911, 0.6205, 0.5446]}, {\"label\": \"land_transition\", \"bbox\": [0.2679, 0.4464, 0.3214, 0.5]}]"}]}], "regions": [{"label": "land_transition", "bbox": [142, 13, 223, 68], "area_px": 1195}, {"label": "land_transition", "bbox": [45, 13, 106, 78], "area_px": 996}, {"label": "land_transition", "bbox": [20, 132, 56, 186], "area_px": 489}, {"label": "land_transition", "bbox": [46, 176, 70, 209], "area_px": 469}, {"label": "land_transition", "bbox": [156, 167, 191, 219], "area_px": 398}, {"label": "land_transition", "bbox": [189, 132, 221, 182], "area_px": 390}, {"label": "land_transition", "bbox": [0, 122, 19, 148], "area_px": 304}, {"label": "land_transition", "bbox": [159, 134, 188, 168], "area_px": 296}, {"label": "land_transition", "bbox": [33, 13, 53, 46], "area_px": 218}, {"label": "land_transition", "bbox": [0, 57, 18, 86], "area_px": 210}, {"label": "land_transition", "bbox": [20, 63, 48, 87], "area_px": 208}, {"label": "land_transition", "bbox": [0, 12, 30, 27], "area_px": 197}, {"label": "land_transition", "bbox": [0, 181, 15, 202], "area_px": 160}, {"label": "land_transition", "bbox": [3, 155, 24, 172], "area_px": 98}, {"label": "land_transition", "bbox": [3, 103, 22, 119], "area_px": 93}, {"label": "land_transition", "bbox": [208, 56, 223, 67], "area_px": 85}, {"label": "land_transition", "bbox": [58, 86, 73, 98], "area_px": 76}, {"label": "land_transition", "bbox": [20, 209, 37, 223], "area_px": 73}, {"label": "land_transition", "bbox": [124, 110, 139, 122], "area_px": 69}, {"label": "land_transition", "bbox": [60, 100, 72, 112], "area_px": 68}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0007_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (10152). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0007_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3839, 0.058, 0.7768, 0.3036]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.058, 0.2232, 0.3438]}, {\"label\": \"land_transition\", \"bbox\": [0.75, 0.0536, 0.9955, 0.1741]}, {\"label\": \"land_transition\", \"bbox\": [0.4464, 0.7455, 0.6027, 0.9777]}, {\"label\": \"land_transition\", \"bbox\": [0.5938, 0.5893, 0.7366, 0.8125]}, {\"label\": \"land_transition\", \"bbox\": [0.8705, 0.3259, 0.9955, 0.4598]}, {\"label\": \"land_transition\", \"bbox\": [0.8705, 0.1473, 0.9955, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.5982, 0.5893, 0.75]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7857, 0.0625, 0.933]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.8795, 0.8661, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.8482, 0.6071, 0.9196, 0.7188]}, {\"label\": \"land_transition\", \"bbox\": [0.9598, 0.7009, 0.9955, 0.8259]}, {\"label\": \"land_transition\", \"bbox\": [0.6786, 0.25, 0.75, 0.2991]}, {\"label\": \"land_transition\", \"bbox\": [0.0089, 0.3839, 0.0759, 0.4375]}, {\"label\": \"land_transition\", \"bbox\": [0.3036, 0.4911, 0.3705, 0.5446]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.4464, 0.0714, 0.5]}, {\"label\": \"land_transition\", \"bbox\": [0.817, 0.7634, 0.8571, 0.8214]}, {\"label\": \"land_transition\", \"bbox\": [0.625, 0.8661, 0.692, 0.9241]}, {\"label\": \"land_transition\", \"bbox\": [0.3125, 0.8571, 0.3616, 0.9286]}, {\"label\": \"land_transition\", \"bbox\": [0.7946, 0.4196, 0.8438, 0.4688]}]"}]}], "regions": [{"label": "land_transition", "bbox": [86, 13, 174, 68], "area_px": 1232}, {"label": "land_transition", "bbox": [0, 13, 50, 77], "area_px": 978}, {"label": "land_transition", "bbox": [168, 12, 223, 39], "area_px": 599}, {"label": "land_transition", "bbox": [100, 167, 135, 219], "area_px": 398}, {"label": "land_transition", "bbox": [133, 132, 165, 182], "area_px": 390}, {"label": "land_transition", "bbox": [195, 73, 223, 103], "area_px": 376}, {"label": "land_transition", "bbox": [195, 33, 223, 72], "area_px": 318}, {"label": "land_transition", "bbox": [103, 134, 132, 168], "area_px": 296}, {"label": "land_transition", "bbox": [0, 176, 14, 209], "area_px": 284}, {"label": "land_transition", "bbox": [155, 197, 194, 223], "area_px": 240}, {"label": "land_transition", "bbox": [190, 136, 206, 161], "area_px": 138}, {"label": "land_transition", "bbox": [215, 157, 223, 185], "area_px": 113}, {"label": "land_transition", "bbox": [152, 56, 168, 67], "area_px": 87}, {"label": "land_transition", "bbox": [2, 86, 17, 98], "area_px": 85}, {"label": "land_transition", "bbox": [68, 110, 83, 122], "area_px": 68}, {"label": "land_transition", "bbox": [3, 100, 16, 112], "area_px": 65}, {"label": "land_transition", "bbox": [183, 171, 192, 184], "area_px": 64}, {"label": "land_transition", "bbox": [140, 194, 155, 207], "area_px": 64}, {"label": "land_transition", "bbox": [70, 192, 81, 208], "area_px": 62}, {"label": "land_transition", "bbox": [178, 94, 189, 105], "area_px": 59}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0008_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (11842). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0008_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.25, 0.7188, 0.5357, 0.9509]}, {\"label\": \"land_transition\", \"bbox\": [0.1652, 0.5179, 0.3527, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.3661, 0.2946, 0.5848, 0.5045]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.3036, 0.75, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.1339, 0.0446, 0.2589, 0.2188]}, {\"label\": \"land_transition\", \"bbox\": [0.7054, 0.5357, 0.8125, 0.683]}, {\"label\": \"land_transition\", \"bbox\": [0.4375, 0.558, 0.567, 0.6964]}, {\"label\": \"land_transition\", \"bbox\": [0.067, 0.7232, 0.2366, 0.875]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.4688, 0.0759, 0.692]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.9018, 0.1295, 0.9821]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.0312, 0.7143, 0.1384]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.8393, 0.7679, 0.9286]}, {\"label\": \"land_transition\", \"bbox\": [0.4821, 0.0045, 0.5804, 0.1027]}, {\"label\": \"land_transition\", \"bbox\": [0.558, 0.9286, 0.683, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2723, 0.067, 0.3705, 0.1429]}, {\"label\": \"land_transition\", \"bbox\": [0.75, 0.0, 0.8036, 0.0938]}, {\"label\": \"land_transition\", \"bbox\": [0.9241, 0.7366, 0.9911, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.5491, 0.7723, 0.5982, 0.8438]}, {\"label\": \"land_transition\", \"bbox\": [0.067, 0.7143, 0.1295, 0.7991]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.942, 0.3973, 0.9955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [56, 161, 120, 213], "area_px": 1344}, {"label": "land_transition", "bbox": [37, 116, 79, 172], "area_px": 1015}, {"label": "land_transition", "bbox": [82, 66, 131, 113], "area_px": 749}, {"label": "land_transition", "bbox": [132, 68, 168, 130], "area_px": 524}, {"label": "land_transition", "bbox": [30, 10, 58, 49], "area_px": 476}, {"label": "land_transition", "bbox": [158, 120, 182, 153], "area_px": 464}, {"label": "land_transition", "bbox": [98, 125, 127, 156], "area_px": 336}, {"label": "land_transition", "bbox": [15, 162, 53, 196], "area_px": 335}, {"label": "land_transition", "bbox": [0, 105, 17, 155], "area_px": 282}, {"label": "land_transition", "bbox": [0, 202, 29, 220], "area_px": 261}, {"label": "land_transition", "bbox": [132, 7, 160, 31], "area_px": 214}, {"label": "land_transition", "bbox": [159, 188, 172, 208], "area_px": 174}, {"label": "land_transition", "bbox": [108, 1, 130, 23], "area_px": 168}, {"label": "land_transition", "bbox": [125, 208, 153, 223], "area_px": 163}, {"label": "land_transition", "bbox": [61, 15, 83, 32], "area_px": 155}, {"label": "land_transition", "bbox": [168, 0, 180, 21], "area_px": 121}, {"label": "land_transition", "bbox": [207, 165, 222, 186], "area_px": 118}, {"label": "land_transition", "bbox": [123, 173, 134, 189], "area_px": 113}, {"label": "land_transition", "bbox": [15, 160, 29, 179], "area_px": 108}, {"label": "land_transition", "bbox": [76, 211, 89, 223], "area_px": 106}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0009_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (10858). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0009_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.7188, 0.2857, 0.9509]}, {\"label\": \"land_transition\", \"bbox\": [0.1161, 0.2946, 0.3348, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5179, 0.1027, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.3036, 0.5, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.7857, 0.9018, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4554, 0.5357, 0.5625, 0.683]}, {\"label\": \"land_transition\", \"bbox\": [0.1875, 0.558, 0.317, 0.6964]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.0312, 0.4643, 0.1384]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.8393, 0.5179, 0.9286]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.0045, 0.3304, 0.1027]}, {\"label\": \"land_transition\", \"bbox\": [0.308, 0.9286, 0.433, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0223, 0.067, 0.1205, 0.1429]}, {\"label\": \"land_transition\", \"bbox\": [0.9018, 0.9464, 0.9955, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5, 0.0, 0.5536, 0.0938]}, {\"label\": \"land_transition\", \"bbox\": [0.6741, 0.7366, 0.7411, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.2946, 0.7723, 0.3482, 0.8438]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.942, 0.1473, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2634, 0.442, 0.3571, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.5089, 0.125, 0.5804, 0.1875]}, {\"label\": \"land_transition\", \"bbox\": [0.2589, 0.2098, 0.3348, 0.2812]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 161, 64, 213], "area_px": 1334}, {"label": "land_transition", "bbox": [26, 66, 75, 116], "area_px": 752}, {"label": "land_transition", "bbox": [0, 116, 23, 172], "area_px": 612}, {"label": "land_transition", "bbox": [76, 68, 112, 130], "area_px": 524}, {"label": "land_transition", "bbox": [167, 176, 202, 223], "area_px": 518}, {"label": "land_transition", "bbox": [102, 120, 126, 153], "area_px": 464}, {"label": "land_transition", "bbox": [42, 125, 71, 156], "area_px": 337}, {"label": "land_transition", "bbox": [76, 7, 104, 31], "area_px": 214}, {"label": "land_transition", "bbox": [103, 188, 116, 208], "area_px": 174}, {"label": "land_transition", "bbox": [52, 1, 74, 23], "area_px": 160}, {"label": "land_transition", "bbox": [69, 208, 97, 223], "area_px": 160}, {"label": "land_transition", "bbox": [5, 15, 27, 32], "area_px": 154}, {"label": "land_transition", "bbox": [202, 212, 223, 223], "area_px": 126}, {"label": "land_transition", "bbox": [112, 0, 124, 21], "area_px": 121}, {"label": "land_transition", "bbox": [151, 165, 166, 186], "area_px": 118}, {"label": "land_transition", "bbox": [66, 173, 78, 189], "area_px": 116}, {"label": "land_transition", "bbox": [20, 211, 33, 223], "area_px": 107}, {"label": "land_transition", "bbox": [59, 99, 80, 116], "area_px": 103}, {"label": "land_transition", "bbox": [114, 28, 130, 42], "area_px": 96}, {"label": "land_transition", "bbox": [58, 47, 75, 63], "area_px": 79}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0010_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (10108). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0010_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.4955, 0.7857, 0.6518, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.3393, 0.25, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.2054, 0.5357, 0.3125, 0.683]}, {\"label\": \"land_transition\", \"bbox\": [0.7679, 0.9152, 0.9554, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6964, 0.4955, 0.8527, 0.7277]}, {\"label\": \"land_transition\", \"bbox\": [0.8438, 0.3393, 0.9866, 0.5625]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2946, 0.0848, 0.4107]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.3482, 0.8393, 0.5]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.0312, 0.2143, 0.1384]}, {\"label\": \"land_transition\", \"bbox\": [0.058, 0.9286, 0.183, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.558, 0.067, 0.6518]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.8393, 0.2679, 0.9241]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0045, 0.0804, 0.1027]}, {\"label\": \"land_transition\", \"bbox\": [0.6518, 0.9464, 0.7545, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.25, 0.0, 0.3036, 0.0982]}, {\"label\": \"land_transition\", \"bbox\": [0.4241, 0.7366, 0.4911, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7321, 0.0357, 0.8393]}, {\"label\": \"land_transition\", \"bbox\": [0.0491, 0.7723, 0.0982, 0.8438]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.442, 0.1071, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.9286, 0.0, 0.9955, 0.0491]}]"}]}], "regions": [{"label": "land_transition", "bbox": [111, 176, 146, 223], "area_px": 518}, {"label": "land_transition", "bbox": [20, 76, 56, 130], "area_px": 489}, {"label": "land_transition", "bbox": [46, 120, 70, 153], "area_px": 469}, {"label": "land_transition", "bbox": [172, 205, 214, 223], "area_px": 404}, {"label": "land_transition", "bbox": [156, 111, 191, 163], "area_px": 398}, {"label": "land_transition", "bbox": [189, 76, 221, 126], "area_px": 390}, {"label": "land_transition", "bbox": [0, 66, 19, 92], "area_px": 303}, {"label": "land_transition", "bbox": [159, 78, 188, 112], "area_px": 296}, {"label": "land_transition", "bbox": [20, 7, 48, 31], "area_px": 206}, {"label": "land_transition", "bbox": [13, 208, 41, 223], "area_px": 163}, {"label": "land_transition", "bbox": [0, 125, 15, 146], "area_px": 160}, {"label": "land_transition", "bbox": [49, 188, 60, 207], "area_px": 159}, {"label": "land_transition", "bbox": [0, 1, 18, 23], "area_px": 148}, {"label": "land_transition", "bbox": [146, 212, 169, 223], "area_px": 130}, {"label": "land_transition", "bbox": [56, 0, 68, 22], "area_px": 123}, {"label": "land_transition", "bbox": [95, 165, 110, 186], "area_px": 118}, {"label": "land_transition", "bbox": [0, 164, 8, 188], "area_px": 114}, {"label": "land_transition", "bbox": [11, 173, 22, 189], "area_px": 113}, {"label": "land_transition", "bbox": [3, 99, 24, 116], "area_px": 98}, {"label": "land_transition", "bbox": [208, 0, 223, 11], "area_px": 89}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0011_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (10137). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0011_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.2455, 0.7857, 0.4018, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7857, 0.8705, 0.9643, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5179, 0.9152, 0.7054, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4464, 0.4955, 0.6027, 0.7277]}, {\"label\": \"land_transition\", \"bbox\": [0.5938, 0.3393, 0.7366, 0.5625]}, {\"label\": \"land_transition\", \"bbox\": [0.8705, 0.0759, 0.9955, 0.2098]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.6295, 0.9464, 0.7991]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.3482, 0.5893, 0.5]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5357, 0.0625, 0.683]}, {\"label\": \"land_transition\", \"bbox\": [0.8482, 0.3571, 0.9196, 0.4688]}, {\"label\": \"land_transition\", \"bbox\": [0.1562, 0.7366, 0.2411, 0.8348]}, {\"label\": \"land_transition\", \"bbox\": [0.4018, 0.9464, 0.5045, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.9375, 0.0, 0.9955, 0.0759]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.0536, 0.0938]}, {\"label\": \"land_transition\", \"bbox\": [0.9598, 0.4509, 0.9955, 0.5759]}, {\"label\": \"land_transition\", \"bbox\": [0.6786, 0.0, 0.7634, 0.0491]}, {\"label\": \"land_transition\", \"bbox\": [0.7054, 0.8393, 0.7812, 0.9018]}, {\"label\": \"land_transition\", \"bbox\": [0.0089, 0.125, 0.0804, 0.1875]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.1964, 0.0893, 0.25]}, {\"label\": \"land_transition\", \"bbox\": [0.2009, 0.9286, 0.2589, 0.9955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [55, 176, 90, 223], "area_px": 526}, {"label": "land_transition", "bbox": [176, 195, 216, 223], "area_px": 460}, {"label": "land_transition", "bbox": [116, 205, 158, 223], "area_px": 404}, {"label": "land_transition", "bbox": [100, 111, 135, 163], "area_px": 398}, {"label": "land_transition", "bbox": [133, 76, 165, 126], "area_px": 390}, {"label": "land_transition", "bbox": [195, 17, 223, 47], "area_px": 376}, {"label": "land_transition", "bbox": [155, 141, 212, 179], "area_px": 303}, {"label": "land_transition", "bbox": [103, 78, 132, 112], "area_px": 296}, {"label": "land_transition", "bbox": [0, 120, 14, 153], "area_px": 284}, {"label": "land_transition", "bbox": [190, 80, 206, 105], "area_px": 138}, {"label": "land_transition", "bbox": [35, 165, 54, 187], "area_px": 137}, {"label": "land_transition", "bbox": [90, 212, 113, 223], "area_px": 130}, {"label": "land_transition", "bbox": [210, 0, 223, 17], "area_px": 126}, {"label": "land_transition", "bbox": [0, 0, 12, 21], "area_px": 121}, {"label": "land_transition", "bbox": [215, 101, 223, 129], "area_px": 113}, {"label": "land_transition", "bbox": [152, 0, 171, 11], "area_px": 99}, {"label": "land_transition", "bbox": [158, 188, 175, 202], "area_px": 99}, {"label": "land_transition", "bbox": [2, 28, 18, 42], "area_px": 96}, {"label": "land_transition", "bbox": [3, 44, 20, 56], "area_px": 68}, {"label": "land_transition", "bbox": [45, 208, 58, 223], "area_px": 68}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0012_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (13276). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0012_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.5134, 0.75, 0.8259, 0.9598]}, {\"label\": \"land_transition\", \"bbox\": [0.25, 0.4688, 0.5357, 0.7009]}, {\"label\": \"land_transition\", \"bbox\": [0.1652, 0.2679, 0.3527, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.3661, 0.0312, 0.5848, 0.2545]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.0536, 0.75, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.7054, 0.2857, 0.8125, 0.433]}, {\"label\": \"land_transition\", \"bbox\": [0.4375, 0.308, 0.5714, 0.4464]}, {\"label\": \"land_transition\", \"bbox\": [0.067, 0.4732, 0.2366, 0.625]}, {\"label\": \"land_transition\", \"bbox\": [0.067, 0.8705, 0.1607, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7946, 0.8795, 0.9062, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2188, 0.0759, 0.442]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.6518, 0.1295, 0.7321]}, {\"label\": \"land_transition\", \"bbox\": [0.3036, 0.692, 0.3973, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.3482, 0.875, 0.4598, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0089, 0.808, 0.067, 0.9866]}, {\"label\": \"land_transition\", \"bbox\": [0.558, 0.6786, 0.683, 0.817]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.5893, 0.7679, 0.6786]}, {\"label\": \"land_transition\", \"bbox\": [0.9241, 0.4866, 0.9911, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.5491, 0.5223, 0.5982, 0.5938]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7545, 0.0536, 0.817]}]"}]}], "regions": [{"label": "land_transition", "bbox": [115, 168, 185, 215], "area_px": 1416}, {"label": "land_transition", "bbox": [56, 105, 120, 157], "area_px": 1344}, {"label": "land_transition", "bbox": [37, 60, 79, 116], "area_px": 1014}, {"label": "land_transition", "bbox": [82, 7, 131, 57], "area_px": 779}, {"label": "land_transition", "bbox": [132, 12, 168, 72], "area_px": 526}, {"label": "land_transition", "bbox": [158, 64, 182, 97], "area_px": 462}, {"label": "land_transition", "bbox": [98, 69, 128, 100], "area_px": 335}, {"label": "land_transition", "bbox": [15, 106, 53, 140], "area_px": 335}, {"label": "land_transition", "bbox": [15, 195, 36, 223], "area_px": 332}, {"label": "land_transition", "bbox": [178, 197, 203, 223], "area_px": 295}, {"label": "land_transition", "bbox": [0, 49, 17, 99], "area_px": 282}, {"label": "land_transition", "bbox": [0, 146, 29, 164], "area_px": 261}, {"label": "land_transition", "bbox": [68, 155, 89, 186], "area_px": 257}, {"label": "land_transition", "bbox": [78, 196, 103, 223], "area_px": 242}, {"label": "land_transition", "bbox": [2, 181, 15, 221], "area_px": 218}, {"label": "land_transition", "bbox": [125, 152, 153, 183], "area_px": 198}, {"label": "land_transition", "bbox": [159, 132, 172, 152], "area_px": 174}, {"label": "land_transition", "bbox": [207, 109, 222, 130], "area_px": 118}, {"label": "land_transition", "bbox": [123, 117, 134, 133], "area_px": 113}, {"label": "land_transition", "bbox": [0, 169, 12, 183], "area_px": 109}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0013_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (12794). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0013_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.2634, 0.75, 0.5759, 0.9598]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.4688, 0.2857, 0.7009]}, {\"label\": \"land_transition\", \"bbox\": [0.1161, 0.0312, 0.3348, 0.2679]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.5357, 0.9018, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2679, 0.1027, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.8616, 0.6964, 0.9955, 0.8571]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.0536, 0.5, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.4554, 0.2857, 0.5625, 0.433]}, {\"label\": \"land_transition\", \"bbox\": [0.1875, 0.308, 0.3214, 0.4464]}, {\"label\": \"land_transition\", \"bbox\": [0.5446, 0.8795, 0.6562, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0536, 0.692, 0.1473, 0.8259]}, {\"label\": \"land_transition\", \"bbox\": [0.308, 0.6786, 0.433, 0.817]}, {\"label\": \"land_transition\", \"bbox\": [0.1161, 0.875, 0.2054, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.5893, 0.5179, 0.6786]}, {\"label\": \"land_transition\", \"bbox\": [0.6741, 0.4866, 0.7411, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.2946, 0.5223, 0.3482, 0.5938]}, {\"label\": \"land_transition\", \"bbox\": [0.2634, 0.192, 0.3571, 0.2679]}, {\"label\": \"land_transition\", \"bbox\": [0.25, 0.9375, 0.317, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7902, 0.9464, 0.8571, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.433, 0.4152, 0.5045]}]"}]}], "regions": [{"label": "land_transition", "bbox": [59, 168, 129, 215], "area_px": 1416}, {"label": "land_transition", "bbox": [0, 105, 64, 157], "area_px": 1334}, {"label": "land_transition", "bbox": [26, 7, 75, 60], "area_px": 785}, {"label": "land_transition", "bbox": [167, 120, 202, 186], "area_px": 692}, {"label": "land_transition", "bbox": [0, 60, 23, 116], "area_px": 613}, {"label": "land_transition", "bbox": [193, 156, 223, 192], "area_px": 588}, {"label": "land_transition", "bbox": [76, 12, 112, 72], "area_px": 526}, {"label": "land_transition", "bbox": [102, 64, 126, 97], "area_px": 462}, {"label": "land_transition", "bbox": [42, 69, 72, 100], "area_px": 336}, {"label": "land_transition", "bbox": [122, 197, 147, 223], "area_px": 295}, {"label": "land_transition", "bbox": [12, 155, 33, 185], "area_px": 257}, {"label": "land_transition", "bbox": [69, 152, 97, 183], "area_px": 195}, {"label": "land_transition", "bbox": [26, 196, 46, 223], "area_px": 184}, {"label": "land_transition", "bbox": [103, 132, 116, 152], "area_px": 174}, {"label": "land_transition", "bbox": [151, 109, 166, 130], "area_px": 118}, {"label": "land_transition", "bbox": [66, 117, 78, 133], "area_px": 116}, {"label": "land_transition", "bbox": [59, 43, 80, 60], "area_px": 106}, {"label": "land_transition", "bbox": [56, 210, 71, 223], "area_px": 106}, {"label": "land_transition", "bbox": [177, 212, 192, 223], "area_px": 106}, {"label": "land_transition", "bbox": [76, 97, 93, 113], "area_px": 77}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0014_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (12517). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0014_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.6116, 0.6652, 0.9821, 0.8929]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.75, 0.3259, 0.9643]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.5357, 0.6518, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.0893, 0.25, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.2054, 0.2857, 0.3125, 0.433]}, {\"label\": \"land_transition\", \"bbox\": [0.6964, 0.2545, 0.8527, 0.4777]}, {\"label\": \"land_transition\", \"bbox\": [0.8438, 0.0893, 0.9866, 0.3125]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0446, 0.0848, 0.1607]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.0982, 0.8393, 0.25]}, {\"label\": \"land_transition\", \"bbox\": [0.2946, 0.8795, 0.4062, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.058, 0.6786, 0.183, 0.817]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.308, 0.0714, 0.4018]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.5893, 0.2679, 0.6741]}, {\"label\": \"land_transition\", \"bbox\": [0.4241, 0.4866, 0.4911, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.4821, 0.0357, 0.5893]}, {\"label\": \"land_transition\", \"bbox\": [0.0491, 0.5223, 0.0982, 0.5938]}, {\"label\": \"land_transition\", \"bbox\": [0.5402, 0.9464, 0.6071, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.942, 0.067, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0134, 0.192, 0.1071, 0.2679]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.433, 0.1652, 0.5089]}]"}]}], "regions": [{"label": "land_transition", "bbox": [137, 149, 220, 200], "area_px": 1999}, {"label": "land_transition", "bbox": [3, 168, 73, 216], "area_px": 1414}, {"label": "land_transition", "bbox": [111, 120, 146, 186], "area_px": 692}, {"label": "land_transition", "bbox": [20, 20, 56, 72], "area_px": 491}, {"label": "land_transition", "bbox": [46, 64, 70, 97], "area_px": 467}, {"label": "land_transition", "bbox": [156, 57, 191, 107], "area_px": 395}, {"label": "land_transition", "bbox": [189, 20, 221, 70], "area_px": 388}, {"label": "land_transition", "bbox": [0, 10, 19, 36], "area_px": 303}, {"label": "land_transition", "bbox": [159, 22, 188, 56], "area_px": 299}, {"label": "land_transition", "bbox": [66, 197, 91, 223], "area_px": 297}, {"label": "land_transition", "bbox": [13, 152, 41, 183], "area_px": 198}, {"label": "land_transition", "bbox": [0, 69, 16, 90], "area_px": 159}, {"label": "land_transition", "bbox": [49, 132, 60, 151], "area_px": 159}, {"label": "land_transition", "bbox": [95, 109, 110, 130], "area_px": 118}, {"label": "land_transition", "bbox": [0, 108, 8, 132], "area_px": 114}, {"label": "land_transition", "bbox": [11, 117, 22, 133], "area_px": 113}, {"label": "land_transition", "bbox": [121, 212, 136, 223], "area_px": 106}, {"label": "land_transition", "bbox": [0, 211, 15, 223], "area_px": 105}, {"label": "land_transition", "bbox": [3, 43, 24, 60], "area_px": 101}, {"label": "land_transition", "bbox": [20, 97, 37, 114], "area_px": 81}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0015_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-07 and 2025-08-26) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (11680). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00004_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00004_t0015_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3616, 0.6652, 0.7321, 0.8929]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.5357, 0.4018, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.7857, 0.6205, 0.9643, 0.7902]}, {\"label\": \"land_transition\", \"bbox\": [0.4464, 0.2545, 0.6027, 0.4777]}, {\"label\": \"land_transition\", \"bbox\": [0.5938, 0.0893, 0.7366, 0.3125]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.3795, 0.9464, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.0982, 0.5893, 0.25]}, {\"label\": \"land_transition\", \"bbox\": [0.0446, 0.8795, 0.1562, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2857, 0.0625, 0.433]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.8259, 0.0759, 0.9598]}, {\"label\": \"land_transition\", \"bbox\": [0.8438, 0.8125, 0.9643, 0.8973]}, {\"label\": \"land_transition\", \"bbox\": [0.1562, 0.4866, 0.2411, 0.5848]}, {\"label\": \"land_transition\", \"bbox\": [0.8661, 0.125, 0.9196, 0.2188]}, {\"label\": \"land_transition\", \"bbox\": [0.9598, 0.2009, 0.9955, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.9464, 0.3571, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7054, 0.5893, 0.7812, 0.6518]}, {\"label\": \"land_transition\", \"bbox\": [0.2009, 0.6786, 0.2589, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.0714, 0.7143, 0.125, 0.7723]}, {\"label\": \"land_transition\", \"bbox\": [0.3036, 0.0, 0.3705, 0.0446]}, {\"label\": \"land_transition\", \"bbox\": [0.817, 0.2634, 0.8571, 0.3214]}]"}]}], "regions": [{"label": "land_transition", "bbox": [81, 149, 164, 200], "area_px": 1999}, {"label": "land_transition", "bbox": [55, 120, 90, 186], "area_px": 700}, {"label": "land_transition", "bbox": [176, 139, 216, 177], "area_px": 568}, {"label": "land_transition", "bbox": [100, 57, 135, 107], "area_px": 395}, {"label": "land_transition", "bbox": [133, 20, 165, 70], "area_px": 388}, {"label": "land_transition", "bbox": [155, 85, 212, 123], "area_px": 303}, {"label": "land_transition", "bbox": [103, 22, 132, 56], "area_px": 299}, {"label": "land_transition", "bbox": [10, 197, 35, 223], "area_px": 296}, {"label": "land_transition", "bbox": [0, 64, 14, 97], "area_px": 284}, {"label": "land_transition", "bbox": [0, 185, 17, 215], "area_px": 237}, {"label": "land_transition", "bbox": [189, 182, 216, 201], "area_px": 195}, {"label": "land_transition", "bbox": [35, 109, 54, 131], "area_px": 137}, {"label": "land_transition", "bbox": [194, 28, 206, 49], "area_px": 121}, {"label": "land_transition", "bbox": [215, 45, 223, 72], "area_px": 113}, {"label": "land_transition", "bbox": [65, 212, 80, 223], "area_px": 103}, {"label": "land_transition", "bbox": [158, 132, 175, 146], "area_px": 99}, {"label": "land_transition", "bbox": [45, 152, 58, 172], "area_px": 98}, {"label": "land_transition", "bbox": [16, 160, 28, 173], "area_px": 72}, {"label": "land_transition", "bbox": [68, 0, 83, 10], "area_px": 66}, {"label": "land_transition", "bbox": [183, 59, 192, 72], "area_px": 64}], "metadata": {"event_id": "landshift_00004", "profile": "landshift", "tile_stem": "landshift_00004_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0000_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (12590). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0000_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.2902, 0.0, 0.8527, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5223, 0.1473, 0.5982, 0.2321]}, {\"label\": \"land_transition\", \"bbox\": [0.5312, 0.3259, 0.5804, 0.4152]}, {\"label\": \"land_transition\", \"bbox\": [0.7411, 0.9286, 0.7857, 0.9866]}, {\"label\": \"land_transition\", \"bbox\": [0.9598, 0.375, 0.9955, 0.4688]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.7723, 0.7634, 0.7991]}, {\"label\": \"land_transition\", \"bbox\": [0.2723, 0.2277, 0.3214, 0.2723]}, {\"label\": \"land_transition\", \"bbox\": [0.5312, 0.2232, 0.5804, 0.2857]}, {\"label\": \"land_transition\", \"bbox\": [0.9554, 0.4777, 0.9955, 0.5446]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.933, 0.7277, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.9688, 0.9509, 0.9955, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.433, 0.2768, 0.4598, 0.308]}, {\"label\": \"land_transition\", \"bbox\": [0.875, 0.2545, 0.9107, 0.2857]}, {\"label\": \"land_transition\", \"bbox\": [0.75, 0.8616, 0.7634, 0.9018]}, {\"label\": \"land_transition\", \"bbox\": [0.9732, 0.9196, 0.9955, 0.942]}, {\"label\": \"land_transition\", \"bbox\": [0.3125, 0.2812, 0.3259, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.4062, 0.2455, 0.4375, 0.2812]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.4286, 0.6205, 0.4554]}, {\"label\": \"land_transition\", \"bbox\": [0.817, 0.9464, 0.8438, 0.9643]}, {\"label\": \"land_transition\", \"bbox\": [0.7545, 0.8482, 0.7991, 0.8795]}]"}]}], "regions": [{"label": "land_transition", "bbox": [65, 0, 191, 223], "area_px": 10719}, {"label": "land_transition", "bbox": [117, 33, 134, 52], "area_px": 109}, {"label": "land_transition", "bbox": [119, 73, 130, 93], "area_px": 99}, {"label": "land_transition", "bbox": [166, 208, 176, 221], "area_px": 77}, {"label": "land_transition", "bbox": [215, 84, 223, 105], "area_px": 76}, {"label": "land_transition", "bbox": [161, 173, 171, 179], "area_px": 52}, {"label": "land_transition", "bbox": [61, 51, 72, 61], "area_px": 50}, {"label": "land_transition", "bbox": [119, 50, 130, 64], "area_px": 47}, {"label": "land_transition", "bbox": [214, 107, 223, 122], "area_px": 43}, {"label": "land_transition", "bbox": [155, 209, 163, 223], "area_px": 42}, {"label": "land_transition", "bbox": [217, 213, 223, 223], "area_px": 38}, {"label": "land_transition", "bbox": [97, 62, 103, 69], "area_px": 35}, {"label": "land_transition", "bbox": [196, 57, 204, 64], "area_px": 28}, {"label": "land_transition", "bbox": [168, 193, 171, 202], "area_px": 27}, {"label": "land_transition", "bbox": [218, 206, 223, 211], "area_px": 22}, {"label": "land_transition", "bbox": [70, 63, 73, 72], "area_px": 21}, {"label": "land_transition", "bbox": [91, 55, 98, 63], "area_px": 20}, {"label": "land_transition", "bbox": [132, 96, 139, 102], "area_px": 20}, {"label": "land_transition", "bbox": [183, 212, 189, 216], "area_px": 20}, {"label": "land_transition", "bbox": [169, 190, 179, 197], "area_px": 19}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0001_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (14496). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0001_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0402, 0.0, 0.6027, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7054, 0.375, 0.8571, 0.6295]}, {\"label\": \"land_transition\", \"bbox\": [0.8705, 0.6161, 0.9955, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.2723, 0.1473, 0.3482, 0.2321]}, {\"label\": \"land_transition\", \"bbox\": [0.2812, 0.3259, 0.3304, 0.4152]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.9464, 0.7902, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.9464, 0.3482, 0.9955, 0.442]}, {\"label\": \"land_transition\", \"bbox\": [0.4911, 0.9286, 0.5357, 0.9866]}, {\"label\": \"land_transition\", \"bbox\": [0.9152, 0.2634, 0.9464, 0.308]}, {\"label\": \"land_transition\", \"bbox\": [0.942, 0.4509, 0.9955, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.9152, 0.8482, 0.9598, 0.8929]}, {\"label\": \"land_transition\", \"bbox\": [0.9688, 0.8304, 0.9955, 0.9107]}, {\"label\": \"land_transition\", \"bbox\": [0.0223, 0.2277, 0.0759, 0.2723]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.7723, 0.5134, 0.7991]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.5402, 0.2589, 0.5759]}, {\"label\": \"land_transition\", \"bbox\": [0.442, 0.933, 0.4777, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2812, 0.2321, 0.3214, 0.2857]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.5045, 0.9598, 0.5536]}, {\"label\": \"land_transition\", \"bbox\": [0.875, 0.4107, 0.9018, 0.4509]}, {\"label\": \"land_transition\", \"bbox\": [0.183, 0.2768, 0.2098, 0.308]}]"}]}], "regions": [{"label": "land_transition", "bbox": [9, 0, 135, 223], "area_px": 10672}, {"label": "land_transition", "bbox": [158, 84, 192, 141], "area_px": 520}, {"label": "land_transition", "bbox": [195, 138, 223, 167], "area_px": 263}, {"label": "land_transition", "bbox": [61, 33, 78, 52], "area_px": 108}, {"label": "land_transition", "bbox": [63, 73, 74, 93], "area_px": 97}, {"label": "land_transition", "bbox": [161, 212, 177, 223], "area_px": 97}, {"label": "land_transition", "bbox": [212, 78, 223, 99], "area_px": 95}, {"label": "land_transition", "bbox": [110, 208, 120, 221], "area_px": 77}, {"label": "land_transition", "bbox": [205, 59, 212, 69], "area_px": 61}, {"label": "land_transition", "bbox": [211, 101, 223, 111], "area_px": 61}, {"label": "land_transition", "bbox": [205, 190, 215, 200], "area_px": 59}, {"label": "land_transition", "bbox": [217, 186, 223, 204], "area_px": 56}, {"label": "land_transition", "bbox": [5, 51, 17, 61], "area_px": 52}, {"label": "land_transition", "bbox": [105, 173, 115, 179], "area_px": 52}, {"label": "land_transition", "bbox": [49, 121, 58, 129], "area_px": 50}, {"label": "land_transition", "bbox": [99, 209, 107, 223], "area_px": 42}, {"label": "land_transition", "bbox": [63, 52, 72, 64], "area_px": 40}, {"label": "land_transition", "bbox": [206, 113, 215, 124], "area_px": 40}, {"label": "land_transition", "bbox": [196, 92, 202, 101], "area_px": 38}, {"label": "land_transition", "bbox": [41, 62, 47, 69], "area_px": 36}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0002_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (17549). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0002_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.3527, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7723, 0.1875, 0.9955, 0.9018]}, {\"label\": \"land_transition\", \"bbox\": [0.7321, 0.5804, 0.8795, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.4554, 0.375, 0.6071, 0.6295]}, {\"label\": \"land_transition\", \"bbox\": [0.808, 0.9018, 0.9688, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6205, 0.6161, 0.75, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.0223, 0.1473, 0.0982, 0.2321]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.8304, 0.7857, 0.9107]}, {\"label\": \"land_transition\", \"bbox\": [0.0312, 0.3259, 0.0804, 0.4152]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.9464, 0.5402, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6964, 0.3482, 0.7455, 0.442]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.4509, 0.7634, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.2411, 0.9286, 0.2857, 0.9866]}, {\"label\": \"land_transition\", \"bbox\": [0.6652, 0.2634, 0.6964, 0.308]}, {\"label\": \"land_transition\", \"bbox\": [0.6652, 0.8482, 0.7098, 0.8929]}, {\"label\": \"land_transition\", \"bbox\": [0.8571, 0.2545, 0.9018, 0.2902]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.7723, 0.2634, 0.7991]}, {\"label\": \"land_transition\", \"bbox\": [0.8304, 0.3036, 0.8705, 0.3482]}, {\"label\": \"land_transition\", \"bbox\": [0.8393, 0.5893, 0.9018, 0.625]}, {\"label\": \"land_transition\", \"bbox\": [0.0312, 0.2232, 0.0804, 0.2857]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 0, 79, 223], "area_px": 9695}, {"label": "land_transition", "bbox": [173, 42, 223, 202], "area_px": 2469}, {"label": "land_transition", "bbox": [164, 130, 197, 186], "area_px": 692}, {"label": "land_transition", "bbox": [102, 84, 136, 141], "area_px": 520}, {"label": "land_transition", "bbox": [181, 202, 217, 223], "area_px": 333}, {"label": "land_transition", "bbox": [139, 138, 168, 167], "area_px": 264}, {"label": "land_transition", "bbox": [5, 33, 22, 52], "area_px": 109}, {"label": "land_transition", "bbox": [161, 186, 176, 204], "area_px": 106}, {"label": "land_transition", "bbox": [7, 73, 18, 93], "area_px": 99}, {"label": "land_transition", "bbox": [105, 212, 121, 223], "area_px": 97}, {"label": "land_transition", "bbox": [156, 78, 167, 99], "area_px": 95}, {"label": "land_transition", "bbox": [155, 101, 171, 111], "area_px": 91}, {"label": "land_transition", "bbox": [54, 208, 64, 221], "area_px": 78}, {"label": "land_transition", "bbox": [149, 59, 156, 69], "area_px": 61}, {"label": "land_transition", "bbox": [149, 190, 159, 200], "area_px": 59}, {"label": "land_transition", "bbox": [192, 57, 202, 65], "area_px": 50}, {"label": "land_transition", "bbox": [49, 173, 59, 179], "area_px": 50}, {"label": "land_transition", "bbox": [186, 68, 195, 78], "area_px": 49}, {"label": "land_transition", "bbox": [188, 132, 202, 140], "area_px": 48}, {"label": "land_transition", "bbox": [7, 50, 18, 64], "area_px": 47}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0003_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (13900). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0003_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.5223, 0.0, 0.9955, 0.9018]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.1027, 0.4777]}, {\"label\": \"land_transition\", \"bbox\": [0.4821, 0.5804, 0.6295, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.2009, 0.375, 0.3571, 0.6295]}, {\"label\": \"land_transition\", \"bbox\": [0.558, 0.9018, 0.7188, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.3705, 0.6161, 0.5, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.8973, 0.5536, 0.9955, 0.6339]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.6429, 0.0357, 0.7277]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.8304, 0.5357, 0.9107]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.4911, 0.0446, 0.5357]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.9464, 0.2902, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4464, 0.3482, 0.4955, 0.442]}, {\"label\": \"land_transition\", \"bbox\": [0.442, 0.4509, 0.5134, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5938, 0.0446, 0.625]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.9286, 0.0357, 0.9821]}, {\"label\": \"land_transition\", \"bbox\": [0.4152, 0.2634, 0.4464, 0.308]}, {\"label\": \"land_transition\", \"bbox\": [0.4152, 0.8482, 0.4598, 0.8929]}, {\"label\": \"land_transition\", \"bbox\": [0.9375, 0.4866, 0.9777, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.6071, 0.2545, 0.6518, 0.2902]}, {\"label\": \"land_transition\", \"bbox\": [0.5804, 0.3036, 0.6205, 0.3482]}]"}]}], "regions": [{"label": "land_transition", "bbox": [117, 0, 223, 202], "area_px": 6950}, {"label": "land_transition", "bbox": [0, 0, 23, 107], "area_px": 1225}, {"label": "land_transition", "bbox": [108, 130, 141, 186], "area_px": 692}, {"label": "land_transition", "bbox": [45, 84, 80, 141], "area_px": 525}, {"label": "land_transition", "bbox": [125, 202, 161, 223], "area_px": 333}, {"label": "land_transition", "bbox": [83, 138, 112, 167], "area_px": 264}, {"label": "land_transition", "bbox": [201, 124, 223, 142], "area_px": 141}, {"label": "land_transition", "bbox": [0, 144, 8, 163], "area_px": 125}, {"label": "land_transition", "bbox": [105, 186, 120, 204], "area_px": 106}, {"label": "land_transition", "bbox": [0, 110, 10, 120], "area_px": 104}, {"label": "land_transition", "bbox": [49, 212, 65, 223], "area_px": 97}, {"label": "land_transition", "bbox": [100, 78, 111, 99], "area_px": 95}, {"label": "land_transition", "bbox": [99, 101, 115, 111], "area_px": 91}, {"label": "land_transition", "bbox": [0, 133, 10, 140], "area_px": 73}, {"label": "land_transition", "bbox": [0, 208, 8, 220], "area_px": 68}, {"label": "land_transition", "bbox": [93, 59, 100, 69], "area_px": 61}, {"label": "land_transition", "bbox": [93, 190, 103, 200], "area_px": 59}, {"label": "land_transition", "bbox": [210, 109, 219, 123], "area_px": 51}, {"label": "land_transition", "bbox": [136, 57, 146, 65], "area_px": 50}, {"label": "land_transition", "bbox": [130, 68, 139, 78], "area_px": 49}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0004_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (14665). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0004_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.183, 0.0, 0.8214, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.808, 0.7902, 0.9955, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5312, 0.0804, 0.5804, 0.1652]}, {\"label\": \"land_transition\", \"bbox\": [0.9598, 0.125, 0.9955, 0.2188]}, {\"label\": \"land_transition\", \"bbox\": [0.7411, 0.6786, 0.7857, 0.7366]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.5223, 0.7634, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.9464, 0.2232, 0.9955, 0.2946]}, {\"label\": \"land_transition\", \"bbox\": [0.9018, 0.7277, 0.9554, 0.7768]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.683, 0.7277, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.9688, 0.7009, 0.9955, 0.75]}, {\"label\": \"land_transition\", \"bbox\": [0.2723, 0.0, 0.3214, 0.0223]}, {\"label\": \"land_transition\", \"bbox\": [0.433, 0.0268, 0.4598, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.5312, 0.0, 0.5625, 0.0357]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.7455, 0.2723, 0.7589]}, {\"label\": \"land_transition\", \"bbox\": [0.75, 0.6116, 0.7634, 0.6518]}, {\"label\": \"land_transition\", \"bbox\": [0.8839, 0.0045, 0.9107, 0.0357]}, {\"label\": \"land_transition\", \"bbox\": [0.3125, 0.0312, 0.3259, 0.0714]}, {\"label\": \"land_transition\", \"bbox\": [0.9732, 0.6696, 0.9955, 0.692]}, {\"label\": \"land_transition\", \"bbox\": [0.2946, 0.8259, 0.3259, 0.8393]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.1786, 0.6205, 0.2054]}]"}]}], "regions": [{"label": "land_transition", "bbox": [41, 0, 184, 223], "area_px": 11972}, {"label": "land_transition", "bbox": [181, 177, 223, 223], "area_px": 905}, {"label": "land_transition", "bbox": [119, 18, 130, 37], "area_px": 98}, {"label": "land_transition", "bbox": [215, 28, 223, 49], "area_px": 77}, {"label": "land_transition", "bbox": [166, 152, 176, 165], "area_px": 77}, {"label": "land_transition", "bbox": [161, 117, 171, 123], "area_px": 52}, {"label": "land_transition", "bbox": [212, 50, 223, 66], "area_px": 48}, {"label": "land_transition", "bbox": [202, 163, 214, 174], "area_px": 48}, {"label": "land_transition", "bbox": [155, 153, 163, 167], "area_px": 42}, {"label": "land_transition", "bbox": [217, 157, 223, 168], "area_px": 40}, {"label": "land_transition", "bbox": [61, 0, 72, 5], "area_px": 36}, {"label": "land_transition", "bbox": [97, 6, 103, 13], "area_px": 35}, {"label": "land_transition", "bbox": [119, 0, 126, 8], "area_px": 28}, {"label": "land_transition", "bbox": [49, 167, 61, 170], "area_px": 28}, {"label": "land_transition", "bbox": [168, 137, 171, 146], "area_px": 27}, {"label": "land_transition", "bbox": [198, 1, 204, 8], "area_px": 23}, {"label": "land_transition", "bbox": [70, 7, 73, 16], "area_px": 22}, {"label": "land_transition", "bbox": [218, 150, 223, 155], "area_px": 22}, {"label": "land_transition", "bbox": [66, 185, 73, 188], "area_px": 22}, {"label": "land_transition", "bbox": [132, 40, 139, 46], "area_px": 21}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0005_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (17161). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0005_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.5714, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.558, 0.75, 0.9018, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6964, 0.1741, 0.8571, 0.3795]}, {\"label\": \"land_transition\", \"bbox\": [0.8973, 0.75, 0.9955, 0.8438]}, {\"label\": \"land_transition\", \"bbox\": [0.8705, 0.3661, 0.9955, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.125, 0.808, 0.2188]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.6964, 0.7902, 0.7634]}, {\"label\": \"land_transition\", \"bbox\": [0.2812, 0.0804, 0.3304, 0.1652]}, {\"label\": \"land_transition\", \"bbox\": [0.9464, 0.0982, 0.9911, 0.192]}, {\"label\": \"land_transition\", \"bbox\": [0.4911, 0.6786, 0.5357, 0.7366]}, {\"label\": \"land_transition\", \"bbox\": [0.9107, 0.0134, 0.9464, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.9152, 0.5982, 0.9598, 0.6429]}, {\"label\": \"land_transition\", \"bbox\": [0.9688, 0.5804, 0.9955, 0.6607]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.5223, 0.5134, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.6518, 0.7277, 0.7054, 0.7768]}, {\"label\": \"land_transition\", \"bbox\": [0.9643, 0.2009, 0.9955, 0.2321]}, {\"label\": \"land_transition\", \"bbox\": [0.442, 0.683, 0.4777, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.0223, 0.0, 0.0759, 0.0223]}, {\"label\": \"land_transition\", \"bbox\": [0.875, 0.1607, 0.9018, 0.1964]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.2545, 0.9554, 0.3036]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 0, 128, 223], "area_px": 11843}, {"label": "land_transition", "bbox": [125, 168, 202, 223], "area_px": 1454}, {"label": "land_transition", "bbox": [156, 39, 192, 85], "area_px": 410}, {"label": "land_transition", "bbox": [201, 168, 223, 189], "area_px": 283}, {"label": "land_transition", "bbox": [195, 82, 223, 111], "area_px": 263}, {"label": "land_transition", "bbox": [159, 28, 181, 49], "area_px": 122}, {"label": "land_transition", "bbox": [161, 156, 177, 171], "area_px": 104}, {"label": "land_transition", "bbox": [63, 18, 74, 37], "area_px": 97}, {"label": "land_transition", "bbox": [212, 22, 222, 43], "area_px": 83}, {"label": "land_transition", "bbox": [110, 152, 120, 165], "area_px": 77}, {"label": "land_transition", "bbox": [204, 3, 212, 13], "area_px": 63}, {"label": "land_transition", "bbox": [205, 134, 215, 144], "area_px": 59}, {"label": "land_transition", "bbox": [217, 130, 223, 148], "area_px": 56}, {"label": "land_transition", "bbox": [105, 117, 115, 123], "area_px": 52}, {"label": "land_transition", "bbox": [146, 163, 158, 174], "area_px": 48}, {"label": "land_transition", "bbox": [216, 45, 223, 52], "area_px": 45}, {"label": "land_transition", "bbox": [99, 153, 107, 167], "area_px": 42}, {"label": "land_transition", "bbox": [5, 0, 17, 5], "area_px": 37}, {"label": "land_transition", "bbox": [196, 36, 202, 44], "area_px": 37}, {"label": "land_transition", "bbox": [206, 57, 214, 68], "area_px": 37}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0006_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (18872). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0006_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.3214, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7768, 0.0, 0.9955, 0.6518]}, {\"label\": \"land_transition\", \"bbox\": [0.308, 0.75, 0.6518, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6473, 0.6518, 0.9688, 0.9152]}, {\"label\": \"land_transition\", \"bbox\": [0.7321, 0.3304, 0.8795, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.4464, 0.1741, 0.6071, 0.3795]}, {\"label\": \"land_transition\", \"bbox\": [0.6205, 0.3661, 0.75, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.125, 0.558, 0.2188]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.5804, 0.7857, 0.6607]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.6964, 0.5402, 0.7634]}, {\"label\": \"land_transition\", \"bbox\": [0.0312, 0.0804, 0.0804, 0.1652]}, {\"label\": \"land_transition\", \"bbox\": [0.6964, 0.0982, 0.7411, 0.192]}, {\"label\": \"land_transition\", \"bbox\": [0.2411, 0.6786, 0.2857, 0.7366]}, {\"label\": \"land_transition\", \"bbox\": [0.7143, 0.2009, 0.7634, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.6607, 0.0134, 0.6964, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.6652, 0.5982, 0.7098, 0.6429]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.5223, 0.2634, 0.5491]}, {\"label\": \"land_transition\", \"bbox\": [0.8571, 0.0045, 0.9018, 0.0402]}, {\"label\": \"land_transition\", \"bbox\": [0.8304, 0.0536, 0.8705, 0.0982]}, {\"label\": \"land_transition\", \"bbox\": [0.8393, 0.3393, 0.9018, 0.375]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 0, 72, 223], "area_px": 9082}, {"label": "land_transition", "bbox": [174, 0, 223, 146], "area_px": 2389}, {"label": "land_transition", "bbox": [69, 168, 146, 223], "area_px": 1455}, {"label": "land_transition", "bbox": [145, 146, 217, 205], "area_px": 1354}, {"label": "land_transition", "bbox": [164, 74, 197, 130], "area_px": 692}, {"label": "land_transition", "bbox": [100, 39, 136, 85], "area_px": 410}, {"label": "land_transition", "bbox": [139, 82, 168, 111], "area_px": 264}, {"label": "land_transition", "bbox": [103, 28, 125, 49], "area_px": 122}, {"label": "land_transition", "bbox": [161, 130, 176, 148], "area_px": 106}, {"label": "land_transition", "bbox": [105, 156, 121, 171], "area_px": 104}, {"label": "land_transition", "bbox": [7, 18, 18, 37], "area_px": 98}, {"label": "land_transition", "bbox": [156, 22, 166, 43], "area_px": 83}, {"label": "land_transition", "bbox": [54, 152, 64, 165], "area_px": 78}, {"label": "land_transition", "bbox": [160, 45, 171, 55], "area_px": 74}, {"label": "land_transition", "bbox": [148, 3, 156, 13], "area_px": 63}, {"label": "land_transition", "bbox": [149, 134, 159, 144], "area_px": 59}, {"label": "land_transition", "bbox": [49, 117, 59, 123], "area_px": 50}, {"label": "land_transition", "bbox": [192, 1, 202, 9], "area_px": 49}, {"label": "land_transition", "bbox": [186, 12, 195, 22], "area_px": 48}, {"label": "land_transition", "bbox": [188, 76, 202, 84], "area_px": 48}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0007_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (13490). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0007_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.5268, 0.0, 0.9018, 0.6518]}, {\"label\": \"land_transition\", \"bbox\": [0.058, 0.75, 0.4018, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.3973, 0.6518, 0.7188, 0.9152]}, {\"label\": \"land_transition\", \"bbox\": [0.4821, 0.3304, 0.6295, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.0714, 0.2277]}, {\"label\": \"land_transition\", \"bbox\": [0.1964, 0.1741, 0.3571, 0.3795]}, {\"label\": \"land_transition\", \"bbox\": [0.3705, 0.3661, 0.5, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.8973, 0.3036, 0.9955, 0.3839]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.3929, 0.0357, 0.4777]}, {\"label\": \"land_transition\", \"bbox\": [0.2098, 0.125, 0.2902, 0.2188]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.5804, 0.5357, 0.6607]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2411, 0.0446, 0.2857]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.6964, 0.2902, 0.7634]}, {\"label\": \"land_transition\", \"bbox\": [0.4464, 0.0982, 0.4911, 0.192]}, {\"label\": \"land_transition\", \"bbox\": [0.4643, 0.2009, 0.5134, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.3438, 0.0446, 0.375]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.6786, 0.0357, 0.7321]}, {\"label\": \"land_transition\", \"bbox\": [0.4107, 0.0134, 0.4464, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.4152, 0.5982, 0.4598, 0.6429]}, {\"label\": \"land_transition\", \"bbox\": [0.6071, 0.0045, 0.6518, 0.0402]}]"}]}], "regions": [{"label": "land_transition", "bbox": [118, 0, 202, 146], "area_px": 5263}, {"label": "land_transition", "bbox": [13, 168, 90, 223], "area_px": 1451}, {"label": "land_transition", "bbox": [89, 146, 161, 205], "area_px": 1354}, {"label": "land_transition", "bbox": [108, 74, 141, 130], "area_px": 692}, {"label": "land_transition", "bbox": [0, 0, 16, 51], "area_px": 495}, {"label": "land_transition", "bbox": [44, 39, 80, 85], "area_px": 439}, {"label": "land_transition", "bbox": [83, 82, 112, 111], "area_px": 264}, {"label": "land_transition", "bbox": [201, 68, 223, 86], "area_px": 139}, {"label": "land_transition", "bbox": [0, 88, 8, 107], "area_px": 125}, {"label": "land_transition", "bbox": [47, 28, 65, 49], "area_px": 111}, {"label": "land_transition", "bbox": [105, 130, 120, 148], "area_px": 106}, {"label": "land_transition", "bbox": [0, 54, 10, 64], "area_px": 105}, {"label": "land_transition", "bbox": [49, 156, 65, 171], "area_px": 104}, {"label": "land_transition", "bbox": [100, 22, 110, 43], "area_px": 83}, {"label": "land_transition", "bbox": [104, 45, 115, 55], "area_px": 74}, {"label": "land_transition", "bbox": [0, 77, 10, 84], "area_px": 73}, {"label": "land_transition", "bbox": [0, 152, 8, 164], "area_px": 68}, {"label": "land_transition", "bbox": [92, 3, 100, 13], "area_px": 63}, {"label": "land_transition", "bbox": [93, 134, 103, 144], "area_px": 59}, {"label": "land_transition", "bbox": [136, 1, 146, 9], "area_px": 49}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0008_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (16875). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0008_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.7946, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.5402, 0.9955, 0.9866]}, {\"label\": \"land_transition\", \"bbox\": [0.3616, 0.8125, 0.6518, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.7857, 0.1295, 0.875]}, {\"label\": \"land_transition\", \"bbox\": [0.6518, 0.7723, 0.6964, 0.8571]}, {\"label\": \"land_transition\", \"bbox\": [0.7411, 0.4286, 0.7857, 0.4866]}, {\"label\": \"land_transition\", \"bbox\": [0.9018, 0.4777, 0.9554, 0.5268]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.2723, 0.7634, 0.2946]}, {\"label\": \"land_transition\", \"bbox\": [0.5759, 0.9598, 0.6339, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.433, 0.7277, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.9688, 0.4509, 0.9955, 0.5]}, {\"label\": \"land_transition\", \"bbox\": [0.7366, 0.9643, 0.7902, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.9554, 0.0, 0.9955, 0.0446]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.9196, 0.2723, 0.9464]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.4955, 0.2723, 0.5089]}, {\"label\": \"land_transition\", \"bbox\": [0.75, 0.3616, 0.7634, 0.4018]}, {\"label\": \"land_transition\", \"bbox\": [0.9732, 0.4196, 0.9955, 0.442]}, {\"label\": \"land_transition\", \"bbox\": [0.2946, 0.5759, 0.3259, 0.5893]}, {\"label\": \"land_transition\", \"bbox\": [0.817, 0.4464, 0.8438, 0.4643]}, {\"label\": \"land_transition\", \"bbox\": [0.8438, 0.9821, 0.8884, 0.9955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 0, 178, 223], "area_px": 12471}, {"label": "land_transition", "bbox": [159, 121, 223, 221], "area_px": 2175}, {"label": "land_transition", "bbox": [81, 182, 146, 223], "area_px": 768}, {"label": "land_transition", "bbox": [18, 176, 29, 196], "area_px": 101}, {"label": "land_transition", "bbox": [146, 173, 156, 192], "area_px": 93}, {"label": "land_transition", "bbox": [166, 96, 176, 109], "area_px": 77}, {"label": "land_transition", "bbox": [202, 107, 214, 118], "area_px": 48}, {"label": "land_transition", "bbox": [161, 61, 171, 66], "area_px": 46}, {"label": "land_transition", "bbox": [129, 215, 142, 223], "area_px": 45}, {"label": "land_transition", "bbox": [155, 97, 163, 111], "area_px": 42}, {"label": "land_transition", "bbox": [217, 101, 223, 112], "area_px": 40}, {"label": "land_transition", "bbox": [165, 216, 177, 223], "area_px": 39}, {"label": "land_transition", "bbox": [214, 0, 223, 10], "area_px": 35}, {"label": "land_transition", "bbox": [52, 206, 61, 212], "area_px": 31}, {"label": "land_transition", "bbox": [49, 111, 61, 114], "area_px": 28}, {"label": "land_transition", "bbox": [168, 81, 171, 90], "area_px": 27}, {"label": "land_transition", "bbox": [218, 94, 223, 99], "area_px": 22}, {"label": "land_transition", "bbox": [66, 129, 73, 132], "area_px": 22}, {"label": "land_transition", "bbox": [183, 100, 189, 104], "area_px": 20}, {"label": "land_transition", "bbox": [189, 220, 199, 223], "area_px": 20}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0009_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (16855). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0009_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.5446, 0.8661]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.5, 0.9018, 0.9866]}, {\"label\": \"land_transition\", \"bbox\": [0.1116, 0.8125, 0.4018, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7054, 0.0, 0.8571, 0.1295]}, {\"label\": \"land_transition\", \"bbox\": [0.8973, 0.5, 0.9955, 0.5938]}, {\"label\": \"land_transition\", \"bbox\": [0.8705, 0.1161, 0.9955, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.4464, 0.7902, 0.5134]}, {\"label\": \"land_transition\", \"bbox\": [0.4018, 0.7723, 0.4464, 0.8571]}, {\"label\": \"land_transition\", \"bbox\": [0.4911, 0.4286, 0.5357, 0.4866]}, {\"label\": \"land_transition\", \"bbox\": [0.9152, 0.3482, 0.9598, 0.3929]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.9554, 0.0402, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.9688, 0.3304, 0.9955, 0.4107]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.0402, 0.2589, 0.0759]}, {\"label\": \"land_transition\", \"bbox\": [0.6518, 0.4777, 0.7054, 0.5268]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.2723, 0.5134, 0.2946]}, {\"label\": \"land_transition\", \"bbox\": [0.3259, 0.9598, 0.3839, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.442, 0.433, 0.4777, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.0045, 0.9598, 0.0536]}, {\"label\": \"land_transition\", \"bbox\": [0.4866, 0.9643, 0.5402, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.8348, 0.2723, 0.8616, 0.308]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 0, 122, 194], "area_px": 10480}, {"label": "land_transition", "bbox": [103, 112, 202, 221], "area_px": 2724}, {"label": "land_transition", "bbox": [25, 182, 90, 223], "area_px": 770}, {"label": "land_transition", "bbox": [158, 0, 192, 29], "area_px": 308}, {"label": "land_transition", "bbox": [201, 112, 223, 133], "area_px": 283}, {"label": "land_transition", "bbox": [195, 26, 223, 55], "area_px": 253}, {"label": "land_transition", "bbox": [161, 100, 177, 115], "area_px": 104}, {"label": "land_transition", "bbox": [90, 173, 100, 192], "area_px": 93}, {"label": "land_transition", "bbox": [110, 96, 120, 109], "area_px": 77}, {"label": "land_transition", "bbox": [205, 78, 215, 88], "area_px": 59}, {"label": "land_transition", "bbox": [0, 214, 9, 223], "area_px": 58}, {"label": "land_transition", "bbox": [217, 74, 223, 92], "area_px": 56}, {"label": "land_transition", "bbox": [49, 9, 58, 17], "area_px": 50}, {"label": "land_transition", "bbox": [146, 107, 158, 118], "area_px": 48}, {"label": "land_transition", "bbox": [105, 61, 115, 66], "area_px": 46}, {"label": "land_transition", "bbox": [73, 215, 86, 223], "area_px": 46}, {"label": "land_transition", "bbox": [99, 97, 107, 111], "area_px": 42}, {"label": "land_transition", "bbox": [206, 1, 215, 12], "area_px": 40}, {"label": "land_transition", "bbox": [109, 216, 121, 223], "area_px": 39}, {"label": "land_transition", "bbox": [187, 61, 193, 69], "area_px": 30}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0010_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (16345). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0010_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.2946, 0.817]}, {\"label\": \"land_transition\", \"bbox\": [0.2098, 0.5, 0.6518, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6473, 0.4018, 0.9688, 0.6652]}, {\"label\": \"land_transition\", \"bbox\": [0.9062, 0.0, 0.9955, 0.4018]}, {\"label\": \"land_transition\", \"bbox\": [0.7321, 0.0804, 0.8795, 0.3304]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.8125, 0.1518, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4554, 0.0, 0.6071, 0.1295]}, {\"label\": \"land_transition\", \"bbox\": [0.7723, 0.0, 0.9107, 0.0804]}, {\"label\": \"land_transition\", \"bbox\": [0.6205, 0.1161, 0.75, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.3304, 0.7857, 0.4107]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.4464, 0.5402, 0.5134]}, {\"label\": \"land_transition\", \"bbox\": [0.1518, 0.7723, 0.1964, 0.8571]}, {\"label\": \"land_transition\", \"bbox\": [0.2411, 0.4286, 0.2857, 0.4866]}, {\"label\": \"land_transition\", \"bbox\": [0.6652, 0.3482, 0.7098, 0.3929]}, {\"label\": \"land_transition\", \"bbox\": [0.8393, 0.0893, 0.9018, 0.125]}, {\"label\": \"land_transition\", \"bbox\": [0.4018, 0.4777, 0.4554, 0.5268]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.2723, 0.2634, 0.2946]}, {\"label\": \"land_transition\", \"bbox\": [0.0759, 0.9598, 0.1339, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.192, 0.433, 0.2277, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.6696, 0.0045, 0.7098, 0.0536]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 0, 66, 183], "area_px": 7015}, {"label": "land_transition", "bbox": [47, 112, 146, 223], "area_px": 2783}, {"label": "land_transition", "bbox": [145, 90, 217, 149], "area_px": 1354}, {"label": "land_transition", "bbox": [203, 0, 223, 90], "area_px": 1008}, {"label": "land_transition", "bbox": [164, 18, 197, 74], "area_px": 696}, {"label": "land_transition", "bbox": [0, 182, 34, 223], "area_px": 558}, {"label": "land_transition", "bbox": [102, 0, 136, 29], "area_px": 308}, {"label": "land_transition", "bbox": [173, 0, 204, 18], "area_px": 287}, {"label": "land_transition", "bbox": [139, 26, 168, 55], "area_px": 254}, {"label": "land_transition", "bbox": [161, 74, 176, 92], "area_px": 106}, {"label": "land_transition", "bbox": [105, 100, 121, 115], "area_px": 104}, {"label": "land_transition", "bbox": [34, 173, 44, 192], "area_px": 93}, {"label": "land_transition", "bbox": [54, 96, 64, 109], "area_px": 78}, {"label": "land_transition", "bbox": [149, 78, 159, 88], "area_px": 59}, {"label": "land_transition", "bbox": [188, 20, 202, 28], "area_px": 48}, {"label": "land_transition", "bbox": [90, 107, 102, 118], "area_px": 48}, {"label": "land_transition", "bbox": [49, 61, 59, 66], "area_px": 45}, {"label": "land_transition", "bbox": [17, 215, 30, 223], "area_px": 45}, {"label": "land_transition", "bbox": [43, 97, 51, 111], "area_px": 41}, {"label": "land_transition", "bbox": [150, 1, 159, 12], "area_px": 40}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0011_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (10371). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0011_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.5, 0.4018, 0.9866]}, {\"label\": \"land_transition\", \"bbox\": [0.6562, 0.0, 0.9018, 0.4018]}, {\"label\": \"land_transition\", \"bbox\": [0.3973, 0.4018, 0.7188, 0.6652]}, {\"label\": \"land_transition\", \"bbox\": [0.4821, 0.0804, 0.6295, 0.3304]}, {\"label\": \"land_transition\", \"bbox\": [0.2009, 0.0, 0.3571, 0.1295]}, {\"label\": \"land_transition\", \"bbox\": [0.5223, 0.0, 0.6607, 0.0804]}, {\"label\": \"land_transition\", \"bbox\": [0.3705, 0.1161, 0.5, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.8973, 0.0536, 0.9955, 0.1339]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.1339, 0.0357, 0.2277]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.3304, 0.5357, 0.4107]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.4464, 0.2902, 0.5134]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.0446, 0.0357]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0938, 0.0446, 0.125]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.4286, 0.0357, 0.4821]}, {\"label\": \"land_transition\", \"bbox\": [0.4152, 0.3482, 0.4598, 0.3929]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.0893, 0.6518, 0.125]}, {\"label\": \"land_transition\", \"bbox\": [0.9375, 0.0, 0.9777, 0.0491]}, {\"label\": \"land_transition\", \"bbox\": [0.1518, 0.4777, 0.2009, 0.5268]}, {\"label\": \"land_transition\", \"bbox\": [0.4196, 0.0045, 0.4598, 0.0536]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.9643, 0.0402, 0.9955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 112, 90, 221], "area_px": 2697}, {"label": "land_transition", "bbox": [147, 0, 202, 90], "area_px": 2448}, {"label": "land_transition", "bbox": [89, 90, 161, 149], "area_px": 1354}, {"label": "land_transition", "bbox": [108, 18, 141, 74], "area_px": 696}, {"label": "land_transition", "bbox": [45, 0, 80, 29], "area_px": 305}, {"label": "land_transition", "bbox": [117, 0, 148, 18], "area_px": 287}, {"label": "land_transition", "bbox": [83, 26, 112, 55], "area_px": 254}, {"label": "land_transition", "bbox": [201, 12, 223, 30], "area_px": 141}, {"label": "land_transition", "bbox": [0, 30, 8, 51], "area_px": 133}, {"label": "land_transition", "bbox": [105, 74, 120, 92], "area_px": 106}, {"label": "land_transition", "bbox": [49, 100, 65, 115], "area_px": 104}, {"label": "land_transition", "bbox": [0, 0, 10, 8], "area_px": 86}, {"label": "land_transition", "bbox": [0, 21, 10, 28], "area_px": 73}, {"label": "land_transition", "bbox": [0, 96, 8, 108], "area_px": 68}, {"label": "land_transition", "bbox": [93, 78, 103, 88], "area_px": 59}, {"label": "land_transition", "bbox": [132, 20, 146, 28], "area_px": 48}, {"label": "land_transition", "bbox": [210, 0, 219, 11], "area_px": 44}, {"label": "land_transition", "bbox": [34, 107, 45, 118], "area_px": 42}, {"label": "land_transition", "bbox": [94, 1, 103, 12], "area_px": 40}, {"label": "land_transition", "bbox": [0, 216, 9, 223], "area_px": 34}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0012_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (19386). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0012_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.7455, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.3304, 0.5625, 0.817, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.2902, 0.9955, 0.7366]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.5357, 0.1295, 0.625]}, {\"label\": \"land_transition\", \"bbox\": [0.6518, 0.5223, 0.6964, 0.6071]}, {\"label\": \"land_transition\", \"bbox\": [0.7411, 0.1786, 0.7857, 0.2277]}, {\"label\": \"land_transition\", \"bbox\": [0.4911, 0.9241, 0.5357, 0.9688]}, {\"label\": \"land_transition\", \"bbox\": [0.9018, 0.2277, 0.9554, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.0223, 0.7634, 0.0491]}, {\"label\": \"land_transition\", \"bbox\": [0.9688, 0.2009, 0.9955, 0.25]}, {\"label\": \"land_transition\", \"bbox\": [0.9732, 0.1518, 0.9955, 0.192]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.6696, 0.2723, 0.6964]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.1964, 0.7188, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.2455, 0.2723, 0.2589]}, {\"label\": \"land_transition\", \"bbox\": [0.75, 0.1116, 0.7634, 0.1518]}, {\"label\": \"land_transition\", \"bbox\": [0.2946, 0.3259, 0.3259, 0.3393]}, {\"label\": \"land_transition\", \"bbox\": [0.817, 0.1964, 0.8438, 0.2143]}, {\"label\": \"land_transition\", \"bbox\": [0.8438, 0.7321, 0.8884, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.7545, 0.0982, 0.7991, 0.1295]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.1786, 0.9509, 0.2054]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 0, 167, 223], "area_px": 12231}, {"label": "land_transition", "bbox": [74, 126, 183, 223], "area_px": 3536}, {"label": "land_transition", "bbox": [159, 65, 223, 165], "area_px": 2172}, {"label": "land_transition", "bbox": [18, 120, 29, 140], "area_px": 101}, {"label": "land_transition", "bbox": [146, 117, 156, 136], "area_px": 93}, {"label": "land_transition", "bbox": [166, 40, 176, 51], "area_px": 69}, {"label": "land_transition", "bbox": [110, 207, 120, 217], "area_px": 57}, {"label": "land_transition", "bbox": [202, 51, 214, 62], "area_px": 55}, {"label": "land_transition", "bbox": [161, 5, 171, 11], "area_px": 52}, {"label": "land_transition", "bbox": [217, 45, 223, 56], "area_px": 40}, {"label": "land_transition", "bbox": [218, 34, 223, 43], "area_px": 31}, {"label": "land_transition", "bbox": [52, 150, 61, 156], "area_px": 31}, {"label": "land_transition", "bbox": [155, 44, 161, 55], "area_px": 30}, {"label": "land_transition", "bbox": [49, 55, 61, 58], "area_px": 28}, {"label": "land_transition", "bbox": [168, 25, 171, 34], "area_px": 26}, {"label": "land_transition", "bbox": [66, 73, 73, 76], "area_px": 22}, {"label": "land_transition", "bbox": [183, 44, 189, 48], "area_px": 21}, {"label": "land_transition", "bbox": [189, 164, 199, 167], "area_px": 20}, {"label": "land_transition", "bbox": [169, 22, 179, 29], "area_px": 19}, {"label": "land_transition", "bbox": [206, 40, 213, 46], "area_px": 18}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0013_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (15847). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0013_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.4955, 0.6161]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.5625, 0.567, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.25, 0.9018, 0.7366]}, {\"label\": \"land_transition\", \"bbox\": [0.8973, 0.25, 0.9955, 0.3438]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7054, 0.1161, 0.8661]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.8304, 0.0804, 0.9375]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.1964, 0.7902, 0.2589]}, {\"label\": \"land_transition\", \"bbox\": [0.4018, 0.5223, 0.4464, 0.6071]}, {\"label\": \"land_transition\", \"bbox\": [0.4911, 0.1786, 0.5357, 0.2277]}, {\"label\": \"land_transition\", \"bbox\": [0.9152, 0.0982, 0.9598, 0.1429]}, {\"label\": \"land_transition\", \"bbox\": [0.2411, 0.9241, 0.2857, 0.9688]}, {\"label\": \"land_transition\", \"bbox\": [0.9688, 0.0804, 0.9955, 0.1607]}, {\"label\": \"land_transition\", \"bbox\": [0.6518, 0.2277, 0.7054, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.0223, 0.5134, 0.0491]}, {\"label\": \"land_transition\", \"bbox\": [0.7232, 0.1518, 0.7634, 0.192]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.9196, 0.0223, 0.9732]}, {\"label\": \"land_transition\", \"bbox\": [0.442, 0.1964, 0.4688, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.8393, 0.0223, 0.8616, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.5, 0.1116, 0.5134, 0.1518]}, {\"label\": \"land_transition\", \"bbox\": [0.0446, 0.3259, 0.0759, 0.3393]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 0, 111, 138], "area_px": 7230}, {"label": "land_transition", "bbox": [18, 126, 127, 223], "area_px": 3533}, {"label": "land_transition", "bbox": [103, 56, 202, 165], "area_px": 2713}, {"label": "land_transition", "bbox": [201, 56, 223, 77], "area_px": 280}, {"label": "land_transition", "bbox": [0, 158, 26, 194], "area_px": 266}, {"label": "land_transition", "bbox": [0, 186, 18, 210], "area_px": 136}, {"label": "land_transition", "bbox": [161, 44, 177, 58], "area_px": 103}, {"label": "land_transition", "bbox": [90, 117, 100, 136], "area_px": 93}, {"label": "land_transition", "bbox": [110, 40, 120, 51], "area_px": 69}, {"label": "land_transition", "bbox": [205, 22, 215, 32], "area_px": 58}, {"label": "land_transition", "bbox": [54, 207, 64, 217], "area_px": 58}, {"label": "land_transition", "bbox": [217, 18, 223, 36], "area_px": 56}, {"label": "land_transition", "bbox": [146, 51, 158, 62], "area_px": 55}, {"label": "land_transition", "bbox": [105, 5, 115, 11], "area_px": 52}, {"label": "land_transition", "bbox": [162, 34, 171, 43], "area_px": 36}, {"label": "land_transition", "bbox": [0, 206, 5, 218], "area_px": 36}, {"label": "land_transition", "bbox": [99, 44, 105, 55], "area_px": 30}, {"label": "land_transition", "bbox": [188, 5, 193, 13], "area_px": 29}, {"label": "land_transition", "bbox": [112, 25, 115, 34], "area_px": 26}, {"label": "land_transition", "bbox": [10, 73, 17, 76], "area_px": 23}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0014_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (13007). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0014_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.25, 0.6518, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.2455, 0.567]}, {\"label\": \"land_transition\", \"bbox\": [0.6473, 0.1518, 0.9688, 0.4152]}, {\"label\": \"land_transition\", \"bbox\": [0.9062, 0.0, 0.9955, 0.1518]}, {\"label\": \"land_transition\", \"bbox\": [0.7411, 0.0, 0.8661, 0.0804]}, {\"label\": \"land_transition\", \"bbox\": [0.7188, 0.0804, 0.7857, 0.1607]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.1964, 0.5402, 0.2589]}, {\"label\": \"land_transition\", \"bbox\": [0.1518, 0.5223, 0.1964, 0.6071]}, {\"label\": \"land_transition\", \"bbox\": [0.2411, 0.1786, 0.2857, 0.2321]}, {\"label\": \"land_transition\", \"bbox\": [0.6652, 0.0982, 0.7098, 0.1429]}, {\"label\": \"land_transition\", \"bbox\": [0.4018, 0.2277, 0.4554, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.9241, 0.0357, 0.9688]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.0223, 0.2634, 0.0491]}, {\"label\": \"land_transition\", \"bbox\": [0.4732, 0.1518, 0.5134, 0.192]}, {\"label\": \"land_transition\", \"bbox\": [0.192, 0.192, 0.2188, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.0223, 0.6116, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.567, 0.0446, 0.6027]}, {\"label\": \"land_transition\", \"bbox\": [0.25, 0.1116, 0.2634, 0.1518]}, {\"label\": \"land_transition\", \"bbox\": [0.317, 0.1964, 0.3438, 0.2143]}, {\"label\": \"land_transition\", \"bbox\": [0.3438, 0.7321, 0.3884, 0.7455]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 56, 146, 223], "area_px": 5351}, {"label": "land_transition", "bbox": [0, 0, 55, 127], "area_px": 4031}, {"label": "land_transition", "bbox": [145, 34, 217, 93], "area_px": 1337}, {"label": "land_transition", "bbox": [203, 0, 223, 34], "area_px": 414}, {"label": "land_transition", "bbox": [166, 0, 194, 18], "area_px": 229}, {"label": "land_transition", "bbox": [161, 18, 176, 36], "area_px": 105}, {"label": "land_transition", "bbox": [105, 44, 121, 58], "area_px": 103}, {"label": "land_transition", "bbox": [34, 117, 44, 136], "area_px": 93}, {"label": "land_transition", "bbox": [54, 40, 64, 52], "area_px": 71}, {"label": "land_transition", "bbox": [149, 22, 159, 32], "area_px": 58}, {"label": "land_transition", "bbox": [90, 51, 102, 62], "area_px": 55}, {"label": "land_transition", "bbox": [0, 207, 8, 217], "area_px": 55}, {"label": "land_transition", "bbox": [49, 5, 59, 11], "area_px": 50}, {"label": "land_transition", "bbox": [106, 34, 115, 43], "area_px": 36}, {"label": "land_transition", "bbox": [43, 43, 49, 55], "area_px": 30}, {"label": "land_transition", "bbox": [132, 5, 137, 13], "area_px": 29}, {"label": "land_transition", "bbox": [0, 127, 10, 135], "area_px": 29}, {"label": "land_transition", "bbox": [56, 25, 59, 34], "area_px": 25}, {"label": "land_transition", "bbox": [71, 44, 77, 48], "area_px": 21}, {"label": "land_transition", "bbox": [77, 164, 87, 167], "area_px": 20}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0015_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-25 and 2025-07-03) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (6189). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00005_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00005_t0015_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.25, 0.4018, 0.7366]}, {\"label\": \"land_transition\", \"bbox\": [0.3973, 0.1518, 0.7188, 0.4152]}, {\"label\": \"land_transition\", \"bbox\": [0.6562, 0.0, 0.7679, 0.1518]}, {\"label\": \"land_transition\", \"bbox\": [0.4911, 0.0, 0.6161, 0.0804]}, {\"label\": \"land_transition\", \"bbox\": [0.4688, 0.0804, 0.5357, 0.1607]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.1964, 0.2902, 0.2589]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7946, 0.067, 0.8616]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7143, 0.0402, 0.7857]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.1786, 0.0357, 0.2277]}, {\"label\": \"land_transition\", \"bbox\": [0.4152, 0.0982, 0.4598, 0.1429]}, {\"label\": \"land_transition\", \"bbox\": [0.1518, 0.2277, 0.2009, 0.2768]}, {\"label\": \"land_transition\", \"bbox\": [0.7589, 0.0, 0.817, 0.0491]}, {\"label\": \"land_transition\", \"bbox\": [0.2232, 0.1562, 0.2589, 0.192]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.0223, 0.3616, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.1116, 0.0134, 0.1518]}, {\"label\": \"land_transition\", \"bbox\": [0.067, 0.1964, 0.0938, 0.2143]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0223, 0.0134, 0.0446]}, {\"label\": \"land_transition\", \"bbox\": [0.0045, 0.0982, 0.0491, 0.1295]}, {\"label\": \"land_transition\", \"bbox\": [0.0938, 0.7321, 0.1339, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.6384, 0.1518, 0.6607, 0.183]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 56, 90, 165], "area_px": 2688}, {"label": "land_transition", "bbox": [89, 34, 161, 93], "area_px": 1337}, {"label": "land_transition", "bbox": [147, 0, 172, 34], "area_px": 440}, {"label": "land_transition", "bbox": [110, 0, 138, 18], "area_px": 229}, {"label": "land_transition", "bbox": [105, 18, 120, 36], "area_px": 105}, {"label": "land_transition", "bbox": [49, 44, 65, 58], "area_px": 103}, {"label": "land_transition", "bbox": [0, 178, 15, 193], "area_px": 95}, {"label": "land_transition", "bbox": [0, 160, 9, 176], "area_px": 68}, {"label": "land_transition", "bbox": [0, 40, 8, 51], "area_px": 62}, {"label": "land_transition", "bbox": [93, 22, 103, 32], "area_px": 58}, {"label": "land_transition", "bbox": [34, 51, 45, 62], "area_px": 49}, {"label": "land_transition", "bbox": [170, 0, 183, 11], "area_px": 35}, {"label": "land_transition", "bbox": [50, 35, 58, 43], "area_px": 34}, {"label": "land_transition", "bbox": [76, 5, 81, 13], "area_px": 29}, {"label": "land_transition", "bbox": [0, 25, 3, 34], "area_px": 26}, {"label": "land_transition", "bbox": [15, 44, 21, 48], "area_px": 21}, {"label": "land_transition", "bbox": [0, 5, 3, 10], "area_px": 20}, {"label": "land_transition", "bbox": [1, 22, 11, 29], "area_px": 19}, {"label": "land_transition", "bbox": [21, 164, 30, 167], "area_px": 19}, {"label": "land_transition", "bbox": [143, 34, 148, 41], "area_px": 18}], "metadata": {"event_id": "landshift_00005", "profile": "landshift", "tile_stem": "landshift_00005_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0000_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0001_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0002_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0003_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0004_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0005_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0006_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0007_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0008_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0009_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0010_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0011_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0012_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0013_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0014_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00007_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00007_t0015_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-07-01 and 2025-07-01) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00007", "profile": "landshift", "tile_stem": "landshift_00007_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0000_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (9616). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0000_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3661, 0.2902, 0.8259, 0.6116]}, {\"label\": \"land_transition\", \"bbox\": [0.4152, 0.7902, 0.75, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.8482, 0.5268, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.5134, 0.4286, 0.6607]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.75, 0.2857, 0.9062]}, {\"label\": \"land_transition\", \"bbox\": [0.0446, 0.4286, 0.1964, 0.5045]}, {\"label\": \"land_transition\", \"bbox\": [0.1652, 0.3705, 0.2545, 0.4509]}, {\"label\": \"land_transition\", \"bbox\": [0.6741, 0.0045, 0.7634, 0.125]}, {\"label\": \"land_transition\", \"bbox\": [0.875, 0.933, 0.933, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.567, 0.8348, 0.6473]}, {\"label\": \"land_transition\", \"bbox\": [0.8929, 0.7679, 0.9464, 0.8482]}, {\"label\": \"land_transition\", \"bbox\": [0.2946, 0.0893, 0.3393, 0.1518]}, {\"label\": \"land_transition\", \"bbox\": [0.0982, 0.1786, 0.1518, 0.2321]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.7991, 0.7946, 0.8705]}, {\"label\": \"land_transition\", \"bbox\": [0.0982, 0.8482, 0.1964, 0.8973]}, {\"label\": \"land_transition\", \"bbox\": [0.0312, 0.7679, 0.1071, 0.8348]}, {\"label\": \"land_transition\", \"bbox\": [0.9509, 0.0, 0.9955, 0.0268]}, {\"label\": \"land_transition\", \"bbox\": [0.5446, 0.7232, 0.5982, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.6741, 0.308, 0.7545]}, {\"label\": \"land_transition\", \"bbox\": [0.7991, 0.8304, 0.8259, 0.8795]}]"}]}], "regions": [{"label": "land_transition", "bbox": [82, 65, 185, 137], "area_px": 3125}, {"label": "land_transition", "bbox": [93, 177, 168, 223], "area_px": 767}, {"label": "land_transition", "bbox": [52, 190, 118, 223], "area_px": 530}, {"label": "land_transition", "bbox": [65, 115, 96, 148], "area_px": 445}, {"label": "land_transition", "bbox": [18, 168, 64, 203], "area_px": 437}, {"label": "land_transition", "bbox": [10, 96, 44, 113], "area_px": 224}, {"label": "land_transition", "bbox": [37, 83, 57, 101], "area_px": 221}, {"label": "land_transition", "bbox": [151, 1, 171, 28], "area_px": 169}, {"label": "land_transition", "bbox": [196, 209, 209, 223], "area_px": 107}, {"label": "land_transition", "bbox": [167, 127, 187, 145], "area_px": 105}, {"label": "land_transition", "bbox": [200, 172, 212, 190], "area_px": 89}, {"label": "land_transition", "bbox": [66, 20, 76, 34], "area_px": 85}, {"label": "land_transition", "bbox": [22, 40, 34, 52], "area_px": 85}, {"label": "land_transition", "bbox": [167, 179, 178, 195], "area_px": 84}, {"label": "land_transition", "bbox": [22, 190, 44, 201], "area_px": 81}, {"label": "land_transition", "bbox": [7, 172, 24, 187], "area_px": 64}, {"label": "land_transition", "bbox": [213, 0, 223, 6], "area_px": 51}, {"label": "land_transition", "bbox": [122, 162, 134, 172], "area_px": 51}, {"label": "land_transition", "bbox": [49, 151, 69, 169], "area_px": 45}, {"label": "land_transition", "bbox": [179, 186, 185, 197], "area_px": 45}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0001_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (8599). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0001_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.1161, 0.2902, 0.5759, 0.6116]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.7902, 0.5, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.8482, 0.2768, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0714, 0.5134, 0.1786, 0.6607]}, {\"label\": \"land_transition\", \"bbox\": [0.7009, 0.0, 0.817, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.7143, 0.8571, 0.8348]}, {\"label\": \"land_transition\", \"bbox\": [0.4241, 0.0045, 0.5134, 0.125]}, {\"label\": \"land_transition\", \"bbox\": [0.9375, 0.1429, 0.9955, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.625, 0.933, 0.683, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.567, 0.5848, 0.6473]}, {\"label\": \"land_transition\", \"bbox\": [0.6429, 0.7679, 0.6964, 0.8482]}, {\"label\": \"land_transition\", \"bbox\": [0.7143, 0.0982, 0.7768, 0.1429]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.7991, 0.5446, 0.8705]}, {\"label\": \"land_transition\", \"bbox\": [0.0491, 0.0893, 0.0893, 0.1518]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7768, 0.0357, 0.8571]}, {\"label\": \"land_transition\", \"bbox\": [0.8259, 0.6161, 0.8571, 0.6652]}, {\"label\": \"land_transition\", \"bbox\": [0.9732, 0.0625, 0.9955, 0.1027]}, {\"label\": \"land_transition\", \"bbox\": [0.2991, 0.7232, 0.3482, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.5491, 0.8304, 0.5759, 0.8795]}, {\"label\": \"land_transition\", \"bbox\": [0.3884, 0.192, 0.4241, 0.2366]}]"}]}], "regions": [{"label": "land_transition", "bbox": [26, 65, 129, 137], "area_px": 3115}, {"label": "land_transition", "bbox": [52, 177, 112, 223], "area_px": 746}, {"label": "land_transition", "bbox": [0, 190, 62, 223], "area_px": 536}, {"label": "land_transition", "bbox": [16, 115, 40, 148], "area_px": 430}, {"label": "land_transition", "bbox": [157, 0, 183, 13], "area_px": 236}, {"label": "land_transition", "bbox": [159, 160, 192, 187], "area_px": 223}, {"label": "land_transition", "bbox": [95, 1, 115, 28], "area_px": 169}, {"label": "land_transition", "bbox": [210, 32, 223, 55], "area_px": 131}, {"label": "land_transition", "bbox": [140, 209, 153, 223], "area_px": 107}, {"label": "land_transition", "bbox": [111, 127, 131, 145], "area_px": 105}, {"label": "land_transition", "bbox": [144, 172, 156, 190], "area_px": 89}, {"label": "land_transition", "bbox": [160, 22, 174, 32], "area_px": 85}, {"label": "land_transition", "bbox": [111, 179, 122, 195], "area_px": 84}, {"label": "land_transition", "bbox": [11, 20, 20, 34], "area_px": 82}, {"label": "land_transition", "bbox": [0, 174, 8, 192], "area_px": 66}, {"label": "land_transition", "bbox": [185, 138, 192, 149], "area_px": 56}, {"label": "land_transition", "bbox": [218, 14, 223, 23], "area_px": 51}, {"label": "land_transition", "bbox": [67, 162, 78, 172], "area_px": 50}, {"label": "land_transition", "bbox": [123, 186, 129, 197], "area_px": 45}, {"label": "land_transition", "bbox": [87, 43, 95, 53], "area_px": 42}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0002_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (7354). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0002_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.2902, 0.3259, 0.6116]}, {\"label\": \"land_transition\", \"bbox\": [0.7812, 0.1161, 0.9955, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7902, 0.25, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4509, 0.0, 0.567, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.7143, 0.6071, 0.8348]}, {\"label\": \"land_transition\", \"bbox\": [0.6875, 0.1429, 0.7634, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.7991, 0.3259, 0.8795]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.0134, 0.2634, 0.125]}, {\"label\": \"land_transition\", \"bbox\": [0.375, 0.933, 0.433, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.3929, 0.7679, 0.4464, 0.8482]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.567, 0.3348, 0.6205]}, {\"label\": \"land_transition\", \"bbox\": [0.4643, 0.0982, 0.5268, 0.1429]}, {\"label\": \"land_transition\", \"bbox\": [0.7232, 0.0625, 0.7634, 0.1071]}, {\"label\": \"land_transition\", \"bbox\": [0.7768, 0.4375, 0.8304, 0.5134]}, {\"label\": \"land_transition\", \"bbox\": [0.5759, 0.6161, 0.6071, 0.6652]}, {\"label\": \"land_transition\", \"bbox\": [0.0446, 0.7232, 0.0982, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.1741, 0.0045, 0.2277, 0.0625]}, {\"label\": \"land_transition\", \"bbox\": [0.1384, 0.192, 0.1741, 0.2366]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.6429, 0.3929, 0.683]}, {\"label\": \"land_transition\", \"bbox\": [0.4732, 0.6071, 0.5179, 0.6562]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 65, 73, 137], "area_px": 2636}, {"label": "land_transition", "bbox": [175, 26, 223, 72], "area_px": 770}, {"label": "land_transition", "bbox": [0, 177, 56, 223], "area_px": 733}, {"label": "land_transition", "bbox": [101, 0, 127, 13], "area_px": 236}, {"label": "land_transition", "bbox": [103, 160, 136, 187], "area_px": 223}, {"label": "land_transition", "bbox": [154, 32, 171, 55], "area_px": 155}, {"label": "land_transition", "bbox": [55, 179, 73, 197], "area_px": 131}, {"label": "land_transition", "bbox": [49, 3, 59, 28], "area_px": 124}, {"label": "land_transition", "bbox": [84, 209, 97, 223], "area_px": 107}, {"label": "land_transition", "bbox": [88, 172, 100, 190], "area_px": 89}, {"label": "land_transition", "bbox": [55, 127, 75, 139], "area_px": 86}, {"label": "land_transition", "bbox": [104, 22, 118, 32], "area_px": 85}, {"label": "land_transition", "bbox": [162, 14, 171, 24], "area_px": 78}, {"label": "land_transition", "bbox": [174, 98, 186, 115], "area_px": 74}, {"label": "land_transition", "bbox": [129, 138, 136, 149], "area_px": 56}, {"label": "land_transition", "bbox": [10, 162, 22, 172], "area_px": 51}, {"label": "land_transition", "bbox": [39, 1, 51, 14], "area_px": 45}, {"label": "land_transition", "bbox": [31, 43, 39, 53], "area_px": 41}, {"label": "land_transition", "bbox": [76, 144, 88, 153], "area_px": 40}, {"label": "land_transition", "bbox": [106, 136, 116, 147], "area_px": 39}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0003_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (3756). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0003_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.5312, 0.1161, 0.7455, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.308, 0.0759, 0.5446]}, {\"label\": \"land_transition\", \"bbox\": [0.2009, 0.0, 0.317, 0.058]}, {\"label\": \"land_transition\", \"bbox\": [0.2098, 0.7143, 0.3571, 0.8348]}, {\"label\": \"land_transition\", \"bbox\": [0.4375, 0.1429, 0.5134, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.125, 0.9241, 0.183, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.567, 0.0848, 0.6473]}, {\"label\": \"land_transition\", \"bbox\": [0.1384, 0.7679, 0.1964, 0.8482]}, {\"label\": \"land_transition\", \"bbox\": [0.2143, 0.0982, 0.2768, 0.1429]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7991, 0.0446, 0.8705]}, {\"label\": \"land_transition\", \"bbox\": [0.4732, 0.0625, 0.5134, 0.1071]}, {\"label\": \"land_transition\", \"bbox\": [0.5268, 0.4375, 0.5804, 0.5134]}, {\"label\": \"land_transition\", \"bbox\": [0.3259, 0.6205, 0.3571, 0.6652]}, {\"label\": \"land_transition\", \"bbox\": [0.0491, 0.8304, 0.0759, 0.8795]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.6429, 0.1429, 0.683]}, {\"label\": \"land_transition\", \"bbox\": [0.0938, 0.5714, 0.1339, 0.5982]}, {\"label\": \"land_transition\", \"bbox\": [0.2232, 0.6071, 0.2679, 0.6473]}, {\"label\": \"land_transition\", \"bbox\": [0.3125, 0.0625, 0.3527, 0.0893]}, {\"label\": \"land_transition\", \"bbox\": [0.2723, 0.6696, 0.317, 0.7054]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0625, 0.0134, 0.1071]}]"}]}], "regions": [{"label": "land_transition", "bbox": [119, 26, 167, 72], "area_px": 770}, {"label": "land_transition", "bbox": [0, 69, 17, 122], "area_px": 488}, {"label": "land_transition", "bbox": [45, 0, 71, 13], "area_px": 236}, {"label": "land_transition", "bbox": [47, 160, 80, 187], "area_px": 219}, {"label": "land_transition", "bbox": [98, 32, 115, 55], "area_px": 155}, {"label": "land_transition", "bbox": [28, 207, 41, 223], "area_px": 110}, {"label": "land_transition", "bbox": [0, 127, 19, 145], "area_px": 104}, {"label": "land_transition", "bbox": [31, 172, 44, 190], "area_px": 89}, {"label": "land_transition", "bbox": [48, 22, 62, 32], "area_px": 87}, {"label": "land_transition", "bbox": [0, 179, 10, 195], "area_px": 82}, {"label": "land_transition", "bbox": [106, 14, 115, 24], "area_px": 78}, {"label": "land_transition", "bbox": [118, 98, 130, 115], "area_px": 74}, {"label": "land_transition", "bbox": [73, 139, 80, 149], "area_px": 55}, {"label": "land_transition", "bbox": [11, 186, 17, 197], "area_px": 45}, {"label": "land_transition", "bbox": [20, 144, 32, 153], "area_px": 40}, {"label": "land_transition", "bbox": [21, 128, 30, 134], "area_px": 37}, {"label": "land_transition", "bbox": [50, 136, 60, 145], "area_px": 35}, {"label": "land_transition", "bbox": [70, 14, 79, 20], "area_px": 30}, {"label": "land_transition", "bbox": [61, 150, 71, 158], "area_px": 30}, {"label": "land_transition", "bbox": [0, 14, 3, 24], "area_px": 28}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0004_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (10930). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0004_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3661, 0.0402, 0.8259, 0.3616]}, {\"label\": \"land_transition\", \"bbox\": [0.4152, 0.5402, 0.8125, 0.9196]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.5982, 0.625, 0.942]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.2634, 0.4286, 0.4107]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.5, 0.2857, 0.6562]}, {\"label\": \"land_transition\", \"bbox\": [0.0446, 0.1786, 0.1964, 0.2545]}, {\"label\": \"land_transition\", \"bbox\": [0.1652, 0.1205, 0.2545, 0.1964]}, {\"label\": \"land_transition\", \"bbox\": [0.875, 0.683, 0.933, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.3214, 0.8348, 0.3973]}, {\"label\": \"land_transition\", \"bbox\": [0.8929, 0.5179, 0.9464, 0.5982]}, {\"label\": \"land_transition\", \"bbox\": [0.2366, 0.8036, 0.3304, 0.8795]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.5491, 0.7946, 0.6205]}, {\"label\": \"land_transition\", \"bbox\": [0.7366, 0.9509, 0.7991, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0982, 0.5982, 0.1964, 0.6473]}, {\"label\": \"land_transition\", \"bbox\": [0.0312, 0.5179, 0.1071, 0.5848]}, {\"label\": \"land_transition\", \"bbox\": [0.5446, 0.4732, 0.5982, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.2188, 0.4241, 0.308, 0.5045]}, {\"label\": \"land_transition\", \"bbox\": [0.7991, 0.5804, 0.8259, 0.6295]}, {\"label\": \"land_transition\", \"bbox\": [0.9643, 0.7321, 0.9955, 0.7812]}, {\"label\": \"land_transition\", \"bbox\": [0.0536, 0.6696, 0.125, 0.7098]}]"}]}], "regions": [{"label": "land_transition", "bbox": [82, 9, 185, 81], "area_px": 3125}, {"label": "land_transition", "bbox": [93, 121, 182, 206], "area_px": 1585}, {"label": "land_transition", "bbox": [52, 134, 140, 211], "area_px": 968}, {"label": "land_transition", "bbox": [65, 59, 96, 92], "area_px": 449}, {"label": "land_transition", "bbox": [18, 112, 64, 147], "area_px": 437}, {"label": "land_transition", "bbox": [10, 40, 44, 57], "area_px": 230}, {"label": "land_transition", "bbox": [37, 27, 57, 44], "area_px": 223}, {"label": "land_transition", "bbox": [196, 153, 209, 167], "area_px": 107}, {"label": "land_transition", "bbox": [167, 72, 187, 89], "area_px": 102}, {"label": "land_transition", "bbox": [200, 116, 212, 134], "area_px": 89}, {"label": "land_transition", "bbox": [53, 180, 74, 197], "area_px": 88}, {"label": "land_transition", "bbox": [167, 123, 178, 139], "area_px": 84}, {"label": "land_transition", "bbox": [165, 213, 179, 223], "area_px": 82}, {"label": "land_transition", "bbox": [22, 134, 44, 145], "area_px": 81}, {"label": "land_transition", "bbox": [7, 116, 24, 131], "area_px": 64}, {"label": "land_transition", "bbox": [122, 106, 134, 116], "area_px": 51}, {"label": "land_transition", "bbox": [49, 95, 69, 113], "area_px": 45}, {"label": "land_transition", "bbox": [179, 130, 185, 141], "area_px": 45}, {"label": "land_transition", "bbox": [216, 164, 223, 175], "area_px": 45}, {"label": "land_transition", "bbox": [12, 150, 28, 159], "area_px": 44}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0005_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (9838). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0005_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.1161, 0.0402, 0.5759, 0.3616]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.5402, 0.5625, 0.9196]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5982, 0.375, 0.942]}, {\"label\": \"land_transition\", \"bbox\": [0.0714, 0.2634, 0.1786, 0.4107]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.4643, 0.8571, 0.5848]}, {\"label\": \"land_transition\", \"bbox\": [0.625, 0.683, 0.683, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.3214, 0.5848, 0.3973]}, {\"label\": \"land_transition\", \"bbox\": [0.6429, 0.5179, 0.6964, 0.5982]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.5491, 0.5446, 0.6205]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.8036, 0.0804, 0.8795]}, {\"label\": \"land_transition\", \"bbox\": [0.4866, 0.9509, 0.5491, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5268, 0.0357, 0.6071]}, {\"label\": \"land_transition\", \"bbox\": [0.8259, 0.3661, 0.8571, 0.4152]}, {\"label\": \"land_transition\", \"bbox\": [0.8259, 0.9107, 0.8616, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2991, 0.4732, 0.3482, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.5491, 0.5804, 0.5759, 0.6295]}, {\"label\": \"land_transition\", \"bbox\": [0.7143, 0.7321, 0.7455, 0.7812]}, {\"label\": \"land_transition\", \"bbox\": [0.4107, 0.8661, 0.4777, 0.9286]}, {\"label\": \"land_transition\", \"bbox\": [0.5938, 0.3214, 0.6384, 0.3482]}, {\"label\": \"land_transition\", \"bbox\": [0.1205, 0.0312, 0.1518, 0.0804]}]"}]}], "regions": [{"label": "land_transition", "bbox": [26, 9, 129, 81], "area_px": 3112}, {"label": "land_transition", "bbox": [52, 121, 126, 206], "area_px": 1567}, {"label": "land_transition", "bbox": [0, 134, 84, 211], "area_px": 972}, {"label": "land_transition", "bbox": [16, 59, 40, 92], "area_px": 435}, {"label": "land_transition", "bbox": [159, 104, 192, 131], "area_px": 223}, {"label": "land_transition", "bbox": [140, 153, 153, 167], "area_px": 107}, {"label": "land_transition", "bbox": [111, 72, 131, 89], "area_px": 102}, {"label": "land_transition", "bbox": [144, 116, 156, 134], "area_px": 89}, {"label": "land_transition", "bbox": [111, 123, 122, 139], "area_px": 84}, {"label": "land_transition", "bbox": [0, 180, 18, 197], "area_px": 82}, {"label": "land_transition", "bbox": [109, 213, 123, 223], "area_px": 82}, {"label": "land_transition", "bbox": [0, 118, 8, 136], "area_px": 66}, {"label": "land_transition", "bbox": [185, 82, 192, 93], "area_px": 56}, {"label": "land_transition", "bbox": [185, 204, 193, 223], "area_px": 55}, {"label": "land_transition", "bbox": [67, 106, 78, 116], "area_px": 50}, {"label": "land_transition", "bbox": [123, 130, 129, 141], "area_px": 45}, {"label": "land_transition", "bbox": [160, 164, 167, 175], "area_px": 45}, {"label": "land_transition", "bbox": [92, 194, 107, 208], "area_px": 44}, {"label": "land_transition", "bbox": [133, 72, 143, 78], "area_px": 41}, {"label": "land_transition", "bbox": [27, 7, 34, 18], "area_px": 40}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0006_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (7724). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0006_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0402, 0.3259, 0.3616]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5402, 0.3125, 0.9196]}, {\"label\": \"land_transition\", \"bbox\": [0.817, 0.0, 0.942, 0.0714]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.4643, 0.6071, 0.5848]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.5491, 0.3259, 0.6295]}, {\"label\": \"land_transition\", \"bbox\": [0.1964, 0.933, 0.2991, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.375, 0.683, 0.433, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7188, 0.0402, 0.8036]}, {\"label\": \"land_transition\", \"bbox\": [0.3929, 0.5179, 0.4464, 0.5982]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.8705, 0.125, 0.942]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.3214, 0.3348, 0.3705]}, {\"label\": \"land_transition\", \"bbox\": [0.7768, 0.1875, 0.8304, 0.2634]}, {\"label\": \"land_transition\", \"bbox\": [0.5759, 0.3661, 0.6071, 0.4152]}, {\"label\": \"land_transition\", \"bbox\": [0.5759, 0.9107, 0.6116, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0446, 0.4732, 0.0982, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.4643, 0.7321, 0.4955, 0.7812]}, {\"label\": \"land_transition\", \"bbox\": [0.1607, 0.8661, 0.2277, 0.9286]}, {\"label\": \"land_transition\", \"bbox\": [0.3438, 0.3214, 0.3884, 0.3482]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.3929, 0.3929, 0.433]}, {\"label\": \"land_transition\", \"bbox\": [0.4732, 0.3571, 0.5179, 0.4062]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 9, 73, 81], "area_px": 2643}, {"label": "land_transition", "bbox": [0, 121, 70, 206], "area_px": 1554}, {"label": "land_transition", "bbox": [183, 0, 211, 16], "area_px": 274}, {"label": "land_transition", "bbox": [103, 104, 136, 131], "area_px": 223}, {"label": "land_transition", "bbox": [55, 123, 73, 141], "area_px": 131}, {"label": "land_transition", "bbox": [44, 209, 67, 223], "area_px": 113}, {"label": "land_transition", "bbox": [84, 153, 97, 167], "area_px": 107}, {"label": "land_transition", "bbox": [0, 161, 9, 180], "area_px": 100}, {"label": "land_transition", "bbox": [88, 116, 100, 134], "area_px": 89}, {"label": "land_transition", "bbox": [0, 195, 28, 211], "area_px": 85}, {"label": "land_transition", "bbox": [55, 72, 75, 83], "area_px": 83}, {"label": "land_transition", "bbox": [174, 42, 186, 59], "area_px": 74}, {"label": "land_transition", "bbox": [129, 82, 136, 93], "area_px": 56}, {"label": "land_transition", "bbox": [129, 204, 137, 223], "area_px": 55}, {"label": "land_transition", "bbox": [10, 106, 22, 116], "area_px": 51}, {"label": "land_transition", "bbox": [104, 164, 111, 175], "area_px": 45}, {"label": "land_transition", "bbox": [36, 194, 51, 208], "area_px": 44}, {"label": "land_transition", "bbox": [77, 72, 87, 78], "area_px": 41}, {"label": "land_transition", "bbox": [76, 88, 88, 97], "area_px": 40}, {"label": "land_transition", "bbox": [106, 80, 116, 91], "area_px": 39}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0007_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (3423). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0007_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.058, 0.0759, 0.2902]}, {\"label\": \"land_transition\", \"bbox\": [0.567, 0.0, 0.692, 0.0714]}, {\"label\": \"land_transition\", \"bbox\": [0.2098, 0.4643, 0.3571, 0.5848]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.75, 0.0625, 0.8393]}, {\"label\": \"land_transition\", \"bbox\": [0.125, 0.6741, 0.183, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.3214, 0.0848, 0.3973]}, {\"label\": \"land_transition\", \"bbox\": [0.1384, 0.5179, 0.1964, 0.5982]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.9107, 0.3616, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5491, 0.0446, 0.6205]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.9509, 0.0491, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5268, 0.1875, 0.5804, 0.2634]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.8482, 0.058, 0.9018]}, {\"label\": \"land_transition\", \"bbox\": [0.3259, 0.3705, 0.3571, 0.4152]}, {\"label\": \"land_transition\", \"bbox\": [0.2143, 0.7321, 0.2455, 0.7902]}, {\"label\": \"land_transition\", \"bbox\": [0.0491, 0.5804, 0.0759, 0.6295]}, {\"label\": \"land_transition\", \"bbox\": [0.0938, 0.3214, 0.1339, 0.3482]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.3929, 0.1429, 0.433]}, {\"label\": \"land_transition\", \"bbox\": [0.2143, 0.9598, 0.2455, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.0625, 0.9554, 0.0893, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2232, 0.3571, 0.2679, 0.3973]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 13, 17, 65], "area_px": 491}, {"label": "land_transition", "bbox": [127, 0, 155, 16], "area_px": 274}, {"label": "land_transition", "bbox": [47, 104, 80, 131], "area_px": 219}, {"label": "land_transition", "bbox": [0, 168, 14, 188], "area_px": 186}, {"label": "land_transition", "bbox": [28, 151, 41, 167], "area_px": 110}, {"label": "land_transition", "bbox": [0, 72, 19, 89], "area_px": 101}, {"label": "land_transition", "bbox": [31, 116, 44, 134], "area_px": 89}, {"label": "land_transition", "bbox": [65, 204, 81, 223], "area_px": 89}, {"label": "land_transition", "bbox": [0, 123, 10, 139], "area_px": 82}, {"label": "land_transition", "bbox": [0, 213, 11, 223], "area_px": 77}, {"label": "land_transition", "bbox": [118, 42, 130, 59], "area_px": 74}, {"label": "land_transition", "bbox": [0, 190, 13, 202], "area_px": 67}, {"label": "land_transition", "bbox": [73, 83, 80, 93], "area_px": 55}, {"label": "land_transition", "bbox": [48, 164, 55, 177], "area_px": 48}, {"label": "land_transition", "bbox": [11, 130, 17, 141], "area_px": 45}, {"label": "land_transition", "bbox": [21, 72, 30, 78], "area_px": 40}, {"label": "land_transition", "bbox": [20, 88, 32, 97], "area_px": 40}, {"label": "land_transition", "bbox": [48, 215, 55, 223], "area_px": 38}, {"label": "land_transition", "bbox": [14, 214, 20, 223], "area_px": 37}, {"label": "land_transition", "bbox": [50, 80, 60, 89], "area_px": 35}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0008_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (8826). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0008_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.4152, 0.2902, 0.8125, 0.6696]}, {\"label\": \"land_transition\", \"bbox\": [0.4241, 0.0, 0.8259, 0.1116]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.3482, 0.625, 0.692]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.0134, 0.4286, 0.1607]}, {\"label\": \"land_transition\", \"bbox\": [0.1071, 0.25, 0.2857, 0.4062]}, {\"label\": \"land_transition\", \"bbox\": [0.7366, 0.7009, 0.8125, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.875, 0.433, 0.933, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.067, 0.8348, 0.1473]}, {\"label\": \"land_transition\", \"bbox\": [0.8929, 0.2634, 0.9509, 0.3482]}, {\"label\": \"land_transition\", \"bbox\": [0.2366, 0.5536, 0.3304, 0.6295]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.2991, 0.7946, 0.3705]}, {\"label\": \"land_transition\", \"bbox\": [0.0982, 0.3482, 0.1964, 0.3973]}, {\"label\": \"land_transition\", \"bbox\": [0.0312, 0.2634, 0.1071, 0.3348]}, {\"label\": \"land_transition\", \"bbox\": [0.8393, 0.7857, 0.8884, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.7991, 0.308, 0.8259, 0.3795]}, {\"label\": \"land_transition\", \"bbox\": [0.9598, 0.7098, 0.9955, 0.7723]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.8705, 0.7589, 0.9375]}, {\"label\": \"land_transition\", \"bbox\": [0.1964, 0.1652, 0.308, 0.2545]}, {\"label\": \"land_transition\", \"bbox\": [0.7232, 0.9375, 0.7679, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5446, 0.2232, 0.5982, 0.2679]}]"}]}], "regions": [{"label": "land_transition", "bbox": [93, 65, 182, 150], "area_px": 1583}, {"label": "land_transition", "bbox": [95, 0, 185, 25], "area_px": 1066}, {"label": "land_transition", "bbox": [52, 78, 140, 155], "area_px": 968}, {"label": "land_transition", "bbox": [65, 3, 96, 36], "area_px": 442}, {"label": "land_transition", "bbox": [24, 56, 64, 91], "area_px": 428}, {"label": "land_transition", "bbox": [165, 157, 182, 172], "area_px": 111}, {"label": "land_transition", "bbox": [196, 97, 209, 111], "area_px": 107}, {"label": "land_transition", "bbox": [167, 15, 187, 33], "area_px": 103}, {"label": "land_transition", "bbox": [200, 59, 213, 78], "area_px": 90}, {"label": "land_transition", "bbox": [53, 124, 74, 141], "area_px": 88}, {"label": "land_transition", "bbox": [167, 67, 178, 83], "area_px": 85}, {"label": "land_transition", "bbox": [22, 78, 44, 89], "area_px": 81}, {"label": "land_transition", "bbox": [7, 59, 24, 75], "area_px": 66}, {"label": "land_transition", "bbox": [188, 176, 199, 186], "area_px": 63}, {"label": "land_transition", "bbox": [179, 69, 185, 85], "area_px": 61}, {"label": "land_transition", "bbox": [215, 159, 223, 173], "area_px": 61}, {"label": "land_transition", "bbox": [155, 195, 170, 210], "area_px": 60}, {"label": "land_transition", "bbox": [44, 37, 69, 57], "area_px": 52}, {"label": "land_transition", "bbox": [162, 210, 172, 223], "area_px": 52}, {"label": "land_transition", "bbox": [122, 50, 134, 60], "area_px": 51}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0009_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (9233). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0009_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.2321, 0.2902, 0.5625, 0.6696]}, {\"label\": \"land_transition\", \"bbox\": [0.1741, 0.0, 0.5759, 0.1116]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.3482, 0.375, 0.692]}, {\"label\": \"land_transition\", \"bbox\": [0.8482, 0.7857, 0.9955, 0.9598]}, {\"label\": \"land_transition\", \"bbox\": [0.0714, 0.0134, 0.1786, 0.1607]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.7455, 0.8527, 0.8884]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.2143, 0.8571, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.4866, 0.7009, 0.5625, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.625, 0.433, 0.683, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.067, 0.5848, 0.1473]}, {\"label\": \"land_transition\", \"bbox\": [0.6429, 0.2634, 0.7009, 0.3482]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.2991, 0.5446, 0.3705]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5536, 0.0804, 0.6295]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2768, 0.0357, 0.3571]}, {\"label\": \"land_transition\", \"bbox\": [0.7812, 0.9732, 0.8839, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.7857, 0.6384, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.5491, 0.308, 0.5759, 0.3795]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.7098, 0.7455, 0.7723]}, {\"label\": \"land_transition\", \"bbox\": [0.442, 0.8705, 0.5089, 0.9375]}, {\"label\": \"land_transition\", \"bbox\": [0.8214, 0.1161, 0.8571, 0.1652]}]"}]}], "regions": [{"label": "land_transition", "bbox": [52, 65, 126, 150], "area_px": 1565}, {"label": "land_transition", "bbox": [39, 0, 129, 25], "area_px": 1071}, {"label": "land_transition", "bbox": [0, 78, 84, 155], "area_px": 972}, {"label": "land_transition", "bbox": [190, 176, 223, 215], "area_px": 447}, {"label": "land_transition", "bbox": [16, 3, 40, 36], "area_px": 428}, {"label": "land_transition", "bbox": [167, 167, 191, 199], "area_px": 277}, {"label": "land_transition", "bbox": [159, 48, 192, 72], "area_px": 220}, {"label": "land_transition", "bbox": [109, 157, 126, 172], "area_px": 111}, {"label": "land_transition", "bbox": [140, 97, 153, 111], "area_px": 107}, {"label": "land_transition", "bbox": [111, 15, 131, 33], "area_px": 103}, {"label": "land_transition", "bbox": [144, 59, 157, 78], "area_px": 90}, {"label": "land_transition", "bbox": [111, 67, 122, 83], "area_px": 85}, {"label": "land_transition", "bbox": [0, 124, 18, 141], "area_px": 82}, {"label": "land_transition", "bbox": [0, 62, 8, 80], "area_px": 65}, {"label": "land_transition", "bbox": [175, 218, 198, 223], "area_px": 65}, {"label": "land_transition", "bbox": [132, 176, 143, 186], "area_px": 63}, {"label": "land_transition", "bbox": [123, 69, 129, 85], "area_px": 61}, {"label": "land_transition", "bbox": [159, 159, 167, 173], "area_px": 61}, {"label": "land_transition", "bbox": [99, 195, 114, 210], "area_px": 60}, {"label": "land_transition", "bbox": [184, 26, 192, 37], "area_px": 57}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0010_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (7097). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0010_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.2902, 0.3125, 0.6696]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.3259, 0.1116]}, {\"label\": \"land_transition\", \"bbox\": [0.5982, 0.7857, 0.7589, 0.9598]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.7455, 0.6027, 0.8884]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.2143, 0.6071, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.2991, 0.3259, 0.3795]}, {\"label\": \"land_transition\", \"bbox\": [0.1964, 0.683, 0.3125, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.375, 0.433, 0.433, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.4688, 0.0402, 0.5536]}, {\"label\": \"land_transition\", \"bbox\": [0.3929, 0.2634, 0.4509, 0.3482]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.067, 0.3348, 0.1205]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.6205, 0.125, 0.692]}, {\"label\": \"land_transition\", \"bbox\": [0.5312, 0.9732, 0.6339, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.7857, 0.3884, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.7098, 0.4955, 0.7723]}, {\"label\": \"land_transition\", \"bbox\": [0.5714, 0.1161, 0.6071, 0.1652]}, {\"label\": \"land_transition\", \"bbox\": [0.5759, 0.6607, 0.6116, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.1964, 0.8705, 0.2589, 0.9375]}, {\"label\": \"land_transition\", \"bbox\": [0.0446, 0.2232, 0.0982, 0.2679]}, {\"label\": \"land_transition\", \"bbox\": [0.2232, 0.9375, 0.2679, 0.9955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 65, 70, 150], "area_px": 1550}, {"label": "land_transition", "bbox": [0, 0, 73, 25], "area_px": 961}, {"label": "land_transition", "bbox": [134, 176, 170, 215], "area_px": 468}, {"label": "land_transition", "bbox": [111, 167, 135, 199], "area_px": 277}, {"label": "land_transition", "bbox": [103, 48, 136, 72], "area_px": 220}, {"label": "land_transition", "bbox": [55, 67, 73, 85], "area_px": 147}, {"label": "land_transition", "bbox": [44, 153, 70, 172], "area_px": 143}, {"label": "land_transition", "bbox": [84, 97, 97, 111], "area_px": 107}, {"label": "land_transition", "bbox": [0, 105, 9, 124], "area_px": 100}, {"label": "land_transition", "bbox": [88, 59, 101, 78], "area_px": 90}, {"label": "land_transition", "bbox": [55, 15, 75, 27], "area_px": 86}, {"label": "land_transition", "bbox": [0, 139, 28, 155], "area_px": 85}, {"label": "land_transition", "bbox": [119, 218, 142, 223], "area_px": 65}, {"label": "land_transition", "bbox": [76, 176, 87, 186], "area_px": 63}, {"label": "land_transition", "bbox": [103, 159, 111, 173], "area_px": 61}, {"label": "land_transition", "bbox": [128, 26, 136, 37], "area_px": 57}, {"label": "land_transition", "bbox": [129, 148, 137, 167], "area_px": 55}, {"label": "land_transition", "bbox": [44, 195, 58, 210], "area_px": 55}, {"label": "land_transition", "bbox": [10, 50, 22, 60], "area_px": 51}, {"label": "land_transition", "bbox": [50, 210, 60, 223], "area_px": 51}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0011_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (3965). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0011_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3482, 0.7857, 0.5089, 0.9598]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.7455, 0.3527, 0.8616]}, {\"label\": \"land_transition\", \"bbox\": [0.2098, 0.2143, 0.3571, 0.3214]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5, 0.0625, 0.5893]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0, 0.0759, 0.0446]}, {\"label\": \"land_transition\", \"bbox\": [0.125, 0.4241, 0.183, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.7009, 0.0625, 0.7679]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.067, 0.0848, 0.1473]}, {\"label\": \"land_transition\", \"bbox\": [0.1384, 0.2634, 0.1964, 0.3482]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.6607, 0.3616, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2991, 0.0446, 0.3705]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.5982, 0.058, 0.6518]}, {\"label\": \"land_transition\", \"bbox\": [0.2812, 0.9732, 0.3839, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2098, 0.7098, 0.2455, 0.7723]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.7857, 0.1339, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.0491, 0.308, 0.0759, 0.3795]}, {\"label\": \"land_transition\", \"bbox\": [0.3214, 0.1205, 0.3571, 0.1652]}, {\"label\": \"land_transition\", \"bbox\": [0.2143, 0.4821, 0.2455, 0.5402]}, {\"label\": \"land_transition\", \"bbox\": [0.1786, 0.7768, 0.2321, 0.817]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.1429, 0.1429, 0.183]}]"}]}], "regions": [{"label": "land_transition", "bbox": [78, 176, 114, 215], "area_px": 468}, {"label": "land_transition", "bbox": [55, 167, 79, 193], "area_px": 256}, {"label": "land_transition", "bbox": [47, 48, 80, 72], "area_px": 216}, {"label": "land_transition", "bbox": [0, 112, 14, 132], "area_px": 186}, {"label": "land_transition", "bbox": [0, 0, 17, 10], "area_px": 115}, {"label": "land_transition", "bbox": [28, 95, 41, 111], "area_px": 110}, {"label": "land_transition", "bbox": [0, 157, 14, 172], "area_px": 106}, {"label": "land_transition", "bbox": [0, 15, 19, 33], "area_px": 102}, {"label": "land_transition", "bbox": [31, 59, 44, 78], "area_px": 91}, {"label": "land_transition", "bbox": [65, 148, 81, 167], "area_px": 89}, {"label": "land_transition", "bbox": [0, 67, 10, 83], "area_px": 83}, {"label": "land_transition", "bbox": [0, 134, 13, 146], "area_px": 67}, {"label": "land_transition", "bbox": [63, 218, 86, 223], "area_px": 65}, {"label": "land_transition", "bbox": [47, 159, 55, 173], "area_px": 62}, {"label": "land_transition", "bbox": [20, 176, 30, 186], "area_px": 62}, {"label": "land_transition", "bbox": [11, 69, 17, 85], "area_px": 61}, {"label": "land_transition", "bbox": [72, 27, 80, 37], "area_px": 56}, {"label": "land_transition", "bbox": [48, 108, 55, 121], "area_px": 48}, {"label": "land_transition", "bbox": [40, 174, 52, 183], "area_px": 47}, {"label": "land_transition", "bbox": [20, 32, 32, 41], "area_px": 40}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0012_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (7872). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0012_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.4152, 0.0402, 0.8125, 0.4196]}, {\"label\": \"land_transition\", \"bbox\": [0.2321, 0.0982, 0.625, 0.442]}, {\"label\": \"land_transition\", \"bbox\": [0.0804, 0.0, 0.2857, 0.1562]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.9062, 0.0848, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2857, 0.933, 0.4152, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7366, 0.4509, 0.8125, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.875, 0.183, 0.933, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.8482, 0.067, 0.9196]}, {\"label\": \"land_transition\", \"bbox\": [0.8929, 0.0179, 0.9464, 0.0982]}, {\"label\": \"land_transition\", \"bbox\": [0.2366, 0.3036, 0.3304, 0.3795]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.0491, 0.7946, 0.1205]}, {\"label\": \"land_transition\", \"bbox\": [0.0982, 0.0982, 0.1964, 0.1473]}, {\"label\": \"land_transition\", \"bbox\": [0.0312, 0.0179, 0.1071, 0.0848]}, {\"label\": \"land_transition\", \"bbox\": [0.8393, 0.5357, 0.8884, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.9598, 0.4598, 0.9955, 0.5223]}, {\"label\": \"land_transition\", \"bbox\": [0.692, 0.6205, 0.7589, 0.6875]}, {\"label\": \"land_transition\", \"bbox\": [0.7232, 0.6875, 0.7679, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.9643, 0.2321, 0.9955, 0.2812]}, {\"label\": \"land_transition\", \"bbox\": [0.9286, 0.5268, 0.9821, 0.567]}, {\"label\": \"land_transition\", \"bbox\": [0.7991, 0.0804, 0.8259, 0.1295]}]"}]}], "regions": [{"label": "land_transition", "bbox": [93, 9, 182, 94], "area_px": 1549}, {"label": "land_transition", "bbox": [52, 22, 140, 99], "area_px": 979}, {"label": "land_transition", "bbox": [18, 0, 64, 35], "area_px": 439}, {"label": "land_transition", "bbox": [0, 203, 19, 223], "area_px": 177}, {"label": "land_transition", "bbox": [64, 209, 93, 223], "area_px": 166}, {"label": "land_transition", "bbox": [165, 101, 182, 116], "area_px": 111}, {"label": "land_transition", "bbox": [196, 41, 209, 55], "area_px": 107}, {"label": "land_transition", "bbox": [0, 190, 15, 206], "area_px": 105}, {"label": "land_transition", "bbox": [200, 4, 212, 22], "area_px": 89}, {"label": "land_transition", "bbox": [53, 68, 74, 85], "area_px": 86}, {"label": "land_transition", "bbox": [167, 11, 178, 27], "area_px": 84}, {"label": "land_transition", "bbox": [22, 22, 44, 33], "area_px": 75}, {"label": "land_transition", "bbox": [7, 4, 24, 19], "area_px": 64}, {"label": "land_transition", "bbox": [188, 120, 199, 130], "area_px": 63}, {"label": "land_transition", "bbox": [215, 103, 223, 117], "area_px": 61}, {"label": "land_transition", "bbox": [155, 139, 170, 154], "area_px": 60}, {"label": "land_transition", "bbox": [162, 154, 172, 167], "area_px": 52}, {"label": "land_transition", "bbox": [216, 52, 223, 63], "area_px": 47}, {"label": "land_transition", "bbox": [208, 118, 220, 127], "area_px": 47}, {"label": "land_transition", "bbox": [179, 18, 185, 29], "area_px": 45}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0013_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (7966). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0013_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.2321, 0.0402, 0.5625, 0.4196]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0982, 0.375, 0.442]}, {\"label\": \"land_transition\", \"bbox\": [0.8482, 0.5357, 0.9955, 0.7098]}, {\"label\": \"land_transition\", \"bbox\": [0.8036, 0.8705, 0.9464, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.7455, 0.4955, 0.8527, 0.6384]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.0, 0.8482, 0.0848]}, {\"label\": \"land_transition\", \"bbox\": [0.0357, 0.933, 0.1696, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4866, 0.4509, 0.5625, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.625, 0.183, 0.683, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.6429, 0.0179, 0.6964, 0.0982]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.0491, 0.5446, 0.1205]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.3036, 0.0804, 0.3795]}, {\"label\": \"land_transition\", \"bbox\": [0.7812, 0.7232, 0.8973, 0.7589]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0268, 0.0357, 0.1071]}, {\"label\": \"land_transition\", \"bbox\": [0.5893, 0.5357, 0.6384, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.7098, 0.4598, 0.7455, 0.5223]}, {\"label\": \"land_transition\", \"bbox\": [0.442, 0.6205, 0.5089, 0.6875]}, {\"label\": \"land_transition\", \"bbox\": [0.8259, 0.4107, 0.8616, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.4732, 0.6875, 0.5179, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.7143, 0.2321, 0.7455, 0.2812]}]"}]}], "regions": [{"label": "land_transition", "bbox": [52, 9, 126, 94], "area_px": 1532}, {"label": "land_transition", "bbox": [0, 22, 84, 99], "area_px": 981}, {"label": "land_transition", "bbox": [190, 120, 223, 159], "area_px": 447}, {"label": "land_transition", "bbox": [180, 195, 212, 223], "area_px": 319}, {"label": "land_transition", "bbox": [167, 111, 191, 143], "area_px": 277}, {"label": "land_transition", "bbox": [159, 0, 190, 19], "area_px": 181}, {"label": "land_transition", "bbox": [8, 209, 38, 223], "area_px": 173}, {"label": "land_transition", "bbox": [109, 101, 126, 116], "area_px": 111}, {"label": "land_transition", "bbox": [140, 41, 153, 55], "area_px": 107}, {"label": "land_transition", "bbox": [144, 4, 156, 22], "area_px": 89}, {"label": "land_transition", "bbox": [111, 11, 122, 27], "area_px": 84}, {"label": "land_transition", "bbox": [0, 68, 18, 85], "area_px": 80}, {"label": "land_transition", "bbox": [175, 162, 201, 170], "area_px": 71}, {"label": "land_transition", "bbox": [0, 6, 8, 24], "area_px": 66}, {"label": "land_transition", "bbox": [132, 120, 143, 130], "area_px": 63}, {"label": "land_transition", "bbox": [159, 103, 167, 117], "area_px": 61}, {"label": "land_transition", "bbox": [99, 139, 114, 154], "area_px": 60}, {"label": "land_transition", "bbox": [185, 92, 193, 111], "area_px": 55}, {"label": "land_transition", "bbox": [106, 154, 116, 167], "area_px": 52}, {"label": "land_transition", "bbox": [160, 52, 167, 63], "area_px": 47}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0014_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (5985). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0014_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.0, 0.0402, 0.3125, 0.4196]}, {\"label\": \"land_transition\", \"bbox\": [0.5982, 0.5357, 0.7589, 0.7098]}, {\"label\": \"land_transition\", \"bbox\": [0.5536, 0.8705, 0.6964, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4955, 0.4955, 0.6027, 0.6384]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.0, 0.5982, 0.0848]}, {\"label\": \"land_transition\", \"bbox\": [0.1964, 0.433, 0.3125, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.0491, 0.3259, 0.1295]}, {\"label\": \"land_transition\", \"bbox\": [0.375, 0.183, 0.433, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.2188, 0.0402, 0.3036]}, {\"label\": \"land_transition\", \"bbox\": [0.3929, 0.0179, 0.4464, 0.0982]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.3705, 0.125, 0.442]}, {\"label\": \"land_transition\", \"bbox\": [0.5312, 0.7232, 0.6473, 0.7589]}, {\"label\": \"land_transition\", \"bbox\": [0.3393, 0.5357, 0.3884, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.4598, 0.4598, 0.4955, 0.5223]}, {\"label\": \"land_transition\", \"bbox\": [0.5759, 0.4107, 0.6116, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.1964, 0.6205, 0.2589, 0.6875]}, {\"label\": \"land_transition\", \"bbox\": [0.2232, 0.6875, 0.2679, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.4643, 0.2321, 0.4955, 0.2812]}, {\"label\": \"land_transition\", \"bbox\": [0.4286, 0.5268, 0.4821, 0.567]}, {\"label\": \"land_transition\", \"bbox\": [0.1607, 0.3661, 0.2277, 0.4286]}]"}]}], "regions": [{"label": "land_transition", "bbox": [0, 9, 70, 94], "area_px": 1546}, {"label": "land_transition", "bbox": [134, 120, 170, 159], "area_px": 468}, {"label": "land_transition", "bbox": [124, 195, 156, 223], "area_px": 319}, {"label": "land_transition", "bbox": [111, 111, 135, 143], "area_px": 277}, {"label": "land_transition", "bbox": [103, 0, 134, 19], "area_px": 181}, {"label": "land_transition", "bbox": [44, 97, 70, 116], "area_px": 143}, {"label": "land_transition", "bbox": [55, 11, 73, 29], "area_px": 131}, {"label": "land_transition", "bbox": [84, 41, 97, 55], "area_px": 107}, {"label": "land_transition", "bbox": [0, 49, 9, 68], "area_px": 103}, {"label": "land_transition", "bbox": [88, 4, 100, 22], "area_px": 89}, {"label": "land_transition", "bbox": [0, 83, 28, 99], "area_px": 85}, {"label": "land_transition", "bbox": [119, 162, 145, 170], "area_px": 71}, {"label": "land_transition", "bbox": [76, 120, 87, 130], "area_px": 63}, {"label": "land_transition", "bbox": [103, 103, 111, 117], "area_px": 61}, {"label": "land_transition", "bbox": [129, 92, 137, 111], "area_px": 55}, {"label": "land_transition", "bbox": [44, 139, 58, 154], "area_px": 55}, {"label": "land_transition", "bbox": [50, 154, 60, 167], "area_px": 51}, {"label": "land_transition", "bbox": [104, 52, 111, 63], "area_px": 47}, {"label": "land_transition", "bbox": [96, 118, 108, 127], "area_px": 47}, {"label": "land_transition", "bbox": [36, 82, 51, 96], "area_px": 44}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0015_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-05-09 and 2025-07-08) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (3732). 20 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00008_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00008_t0015_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.3482, 0.5357, 0.5089, 0.7098]}, {\"label\": \"land_transition\", \"bbox\": [0.3036, 0.8705, 0.4464, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.2455, 0.4955, 0.3527, 0.6116]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.25, 0.0625, 0.3438]}, {\"label\": \"land_transition\", \"bbox\": [0.2098, 0.0, 0.3482, 0.0848]}, {\"label\": \"land_transition\", \"bbox\": [0.125, 0.1741, 0.183, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.4509, 0.0625, 0.5179]}, {\"label\": \"land_transition\", \"bbox\": [0.1384, 0.0179, 0.1964, 0.0982]}, {\"label\": \"land_transition\", \"bbox\": [0.2902, 0.4107, 0.3616, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.0491, 0.0446, 0.1205]}, {\"label\": \"land_transition\", \"bbox\": [0.2812, 0.7232, 0.3973, 0.7589]}, {\"label\": \"land_transition\", \"bbox\": [0.2143, 0.2321, 0.25, 0.3125]}, {\"label\": \"land_transition\", \"bbox\": [0.0, 0.3482, 0.058, 0.4018]}, {\"label\": \"land_transition\", \"bbox\": [0.2098, 0.4598, 0.2455, 0.5223]}, {\"label\": \"land_transition\", \"bbox\": [0.0893, 0.5357, 0.1339, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.1786, 0.5268, 0.2321, 0.567]}, {\"label\": \"land_transition\", \"bbox\": [0.0491, 0.0804, 0.0759, 0.1295]}, {\"label\": \"land_transition\", \"bbox\": [0.0625, 0.4554, 0.0893, 0.5]}, {\"label\": \"land_transition\", \"bbox\": [0.125, 0.3929, 0.1518, 0.4464]}, {\"label\": \"land_transition\", \"bbox\": [0.0938, 0.4241, 0.1295, 0.4598]}]"}]}], "regions": [{"label": "land_transition", "bbox": [78, 120, 114, 159], "area_px": 468}, {"label": "land_transition", "bbox": [68, 195, 100, 223], "area_px": 318}, {"label": "land_transition", "bbox": [55, 111, 79, 137], "area_px": 256}, {"label": "land_transition", "bbox": [0, 56, 14, 77], "area_px": 192}, {"label": "land_transition", "bbox": [47, 0, 78, 19], "area_px": 177}, {"label": "land_transition", "bbox": [28, 39, 41, 55], "area_px": 109}, {"label": "land_transition", "bbox": [0, 101, 14, 116], "area_px": 106}, {"label": "land_transition", "bbox": [31, 4, 44, 22], "area_px": 89}, {"label": "land_transition", "bbox": [65, 92, 81, 111], "area_px": 89}, {"label": "land_transition", "bbox": [0, 11, 10, 27], "area_px": 82}, {"label": "land_transition", "bbox": [63, 162, 89, 170], "area_px": 71}, {"label": "land_transition", "bbox": [48, 52, 56, 70], "area_px": 68}, {"label": "land_transition", "bbox": [0, 78, 13, 90], "area_px": 67}, {"label": "land_transition", "bbox": [47, 103, 55, 117], "area_px": 62}, {"label": "land_transition", "bbox": [20, 120, 30, 130], "area_px": 62}, {"label": "land_transition", "bbox": [40, 118, 52, 127], "area_px": 47}, {"label": "land_transition", "bbox": [11, 18, 17, 29], "area_px": 45}, {"label": "land_transition", "bbox": [14, 102, 20, 112], "area_px": 39}, {"label": "land_transition", "bbox": [28, 88, 34, 100], "area_px": 35}, {"label": "land_transition", "bbox": [21, 95, 29, 103], "area_px": 31}], "metadata": {"event_id": "landshift_00008", "profile": "landshift", "tile_stem": "landshift_00008_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0000_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0000_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0000"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0001_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (216). 2 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0001_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0001_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.9464, 0.0179, 0.9955, 0.0893]}, {\"label\": \"land_transition\", \"bbox\": [0.875, 0.1786, 0.8884, 0.2054]}]"}]}], "regions": [{"label": "land_transition", "bbox": [212, 4, 223, 20], "area_px": 90}, {"label": "land_transition", "bbox": [196, 40, 199, 46], "area_px": 18}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0001"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0002_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (786). 4 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0002_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0002_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.9375, 0.6875, 0.9955, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.6964, 0.0179, 0.8214, 0.1071]}, {\"label\": \"land_transition\", \"bbox\": [0.8125, 0.7188, 0.8393, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.625, 0.1786, 0.6384, 0.2054]}]"}]}], "regions": [{"label": "land_transition", "bbox": [210, 154, 223, 186], "area_px": 295}, {"label": "land_transition", "bbox": [156, 4, 184, 24], "area_px": 269}, {"label": "land_transition", "bbox": [182, 161, 188, 167], "area_px": 32}, {"label": "land_transition", "bbox": [140, 40, 143, 46], "area_px": 18}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0002"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0003_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1681). 7 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0003_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0003_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.6875, 0.6741, 0.8884, 0.8304]}, {\"label\": \"land_transition\", \"bbox\": [0.4464, 0.0179, 0.5714, 0.1071]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.8036, 0.9777, 0.8661]}, {\"label\": \"land_transition\", \"bbox\": [0.8348, 0.1964, 0.8661, 0.2411]}, {\"label\": \"land_transition\", \"bbox\": [0.5625, 0.7188, 0.5893, 0.7455]}, {\"label\": \"land_transition\", \"bbox\": [0.9777, 0.8259, 0.9955, 0.8661]}, {\"label\": \"land_transition\", \"bbox\": [0.375, 0.1786, 0.3884, 0.2054]}]"}]}], "regions": [{"label": "land_transition", "bbox": [154, 151, 199, 186], "area_px": 848}, {"label": "land_transition", "bbox": [100, 4, 128, 24], "area_px": 269}, {"label": "land_transition", "bbox": [206, 180, 219, 194], "area_px": 86}, {"label": "land_transition", "bbox": [187, 44, 194, 54], "area_px": 38}, {"label": "land_transition", "bbox": [126, 161, 132, 167], "area_px": 32}, {"label": "land_transition", "bbox": [219, 185, 223, 194], "area_px": 20}, {"label": "land_transition", "bbox": [84, 40, 87, 46], "area_px": 18}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0003"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0004_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0004_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0004"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0005_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0005_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0005"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0006_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (402). 2 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0006_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0006_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.9375, 0.4375, 0.9955, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.8125, 0.4688, 0.8393, 0.4955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [210, 98, 223, 130], "area_px": 295}, {"label": "land_transition", "bbox": [182, 105, 188, 111], "area_px": 32}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0006"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0007_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1226). 4 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0007_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0007_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.6875, 0.4241, 0.8884, 0.5804]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.5536, 0.9777, 0.6161]}, {\"label\": \"land_transition\", \"bbox\": [0.5625, 0.4688, 0.5893, 0.4955]}, {\"label\": \"land_transition\", \"bbox\": [0.9777, 0.5759, 0.9955, 0.6161]}]"}]}], "regions": [{"label": "land_transition", "bbox": [154, 95, 199, 130], "area_px": 848}, {"label": "land_transition", "bbox": [206, 124, 219, 138], "area_px": 86}, {"label": "land_transition", "bbox": [126, 105, 132, 111], "area_px": 32}, {"label": "land_transition", "bbox": [219, 129, 223, 138], "area_px": 20}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0007"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0008_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0008_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0008"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0009_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0009_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "No dominant land-cover transitions are detected above threshold. Observed differences may be minor seasonal or acquisition variations."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0009"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0010_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (648). 5 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0010_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0010_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.9375, 0.1875, 0.9955, 0.3304]}, {\"label\": \"land_transition\", \"bbox\": [0.8125, 0.9286, 0.9196, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.9643, 0.9241, 0.9955, 0.9821]}, {\"label\": \"land_transition\", \"bbox\": [0.8125, 0.2188, 0.8393, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.9777, 0.9554, 0.9955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [210, 42, 223, 74], "area_px": 296}, {"label": "land_transition", "bbox": [182, 208, 206, 223], "area_px": 151}, {"label": "land_transition", "bbox": [216, 207, 223, 220], "area_px": 44}, {"label": "land_transition", "bbox": [182, 49, 188, 55], "area_px": 32}, {"label": "land_transition", "bbox": [206, 219, 214, 223], "area_px": 24}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0010"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0011_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (1560). 9 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0011_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0011_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.6875, 0.1741, 0.8527, 0.3304]}, {\"label\": \"land_transition\", \"bbox\": [0.5625, 0.9286, 0.6696, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.3036, 0.9777, 0.3661]}, {\"label\": \"land_transition\", \"bbox\": [0.8259, 0.9241, 0.8705, 0.9688]}, {\"label\": \"land_transition\", \"bbox\": [0.7143, 0.9241, 0.7634, 0.9866]}, {\"label\": \"land_transition\", \"bbox\": [0.8571, 0.2188, 0.8884, 0.2991]}, {\"label\": \"land_transition\", \"bbox\": [0.5625, 0.2188, 0.5893, 0.2455]}, {\"label\": \"land_transition\", \"bbox\": [0.6696, 0.9777, 0.7054, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.9777, 0.3304, 0.9955, 0.3661]}]"}]}], "regions": [{"label": "land_transition", "bbox": [154, 39, 191, 74], "area_px": 807}, {"label": "land_transition", "bbox": [126, 208, 150, 223], "area_px": 151}, {"label": "land_transition", "bbox": [206, 68, 219, 82], "area_px": 85}, {"label": "land_transition", "bbox": [185, 207, 195, 217], "area_px": 58}, {"label": "land_transition", "bbox": [160, 207, 171, 221], "area_px": 56}, {"label": "land_transition", "bbox": [192, 49, 199, 67], "area_px": 46}, {"label": "land_transition", "bbox": [126, 49, 132, 55], "area_px": 32}, {"label": "land_transition", "bbox": [150, 219, 158, 223], "area_px": 24}, {"label": "land_transition", "bbox": [219, 74, 223, 82], "area_px": 19}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0011"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0012_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (187). 1 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0012_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0012_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.9241, 0.9375, 0.9955, 0.9955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [207, 210, 223, 223], "area_px": 127}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0012"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0013_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (847). 2 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0013_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0013_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.7902, 0.8839, 0.9955, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6741, 0.9196, 0.7991, 0.9955]}]"}]}], "regions": [{"label": "land_transition", "bbox": [177, 198, 223, 223], "area_px": 515}, {"label": "land_transition", "bbox": [151, 206, 179, 223], "area_px": 242}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0013"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0014_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (2038). 7 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0014_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0014_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.5402, 0.8839, 0.9554, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.4241, 0.9196, 0.5491, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.9375, 0.0, 0.9955, 0.0804]}, {\"label\": \"land_transition\", \"bbox\": [0.8036, 0.6786, 0.9196, 0.7545]}, {\"label\": \"land_transition\", \"bbox\": [0.9643, 0.6741, 0.9955, 0.7321]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.7277, 0.9554, 0.7545]}, {\"label\": \"land_transition\", \"bbox\": [0.9821, 0.9107, 0.9955, 0.9643]}]"}]}], "regions": [{"label": "land_transition", "bbox": [121, 198, 214, 223], "area_px": 1147}, {"label": "land_transition", "bbox": [95, 206, 123, 223], "area_px": 242}, {"label": "land_transition", "bbox": [210, 0, 223, 18], "area_px": 214}, {"label": "land_transition", "bbox": [180, 152, 206, 169], "area_px": 156}, {"label": "land_transition", "bbox": [216, 151, 223, 164], "area_px": 44}, {"label": "land_transition", "bbox": [206, 163, 214, 169], "area_px": 30}, {"label": "land_transition", "bbox": [220, 204, 223, 216], "area_px": 20}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0014"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0015_t1.png"}, {"type": "text", "text": "Compare these two Sentinel-2 images (2025-06-30 and 2025-07-17) and describe major land-cover transitions."}]}, {"role": "assistant", "content": [{"type": "text", "text": "Major land-cover transitions are: vegetation_shift (2858). 11 region(s) were localized for grounding in this pair."}]}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0015"}}
{"messages": [{"role": "system", "content": [{"type": "text", "text": "You are a geospatial analyst specializing in satellite imagery interpretation. Analyze the provided Sentinel-2 satellite images and report findings grounded in visible evidence. Use [x1, y1, x2, y2] bounding boxes normalized to 0-1 relative to image dimensions. This is optical-only observation. Avoid certainty claims beyond visible evidence, and state confidence and limitations where appropriate."}]}, {"role": "user", "content": [{"type": "image", "image": "images/landshift_00009_t0015_t0.png"}, {"type": "image", "image": "images/landshift_00009_t0015_t1.png"}, {"type": "text", "text": "Locate major land-cover transition regions and return JSON list with labels and normalized bboxes."}]}, {"role": "assistant", "content": [{"type": "text", "text": "[{\"label\": \"land_transition\", \"bbox\": [0.2902, 0.8839, 0.7054, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.6875, 0.0, 0.8884, 0.0804]}, {\"label\": \"land_transition\", \"bbox\": [0.1741, 0.9196, 0.2991, 0.9955]}, {\"label\": \"land_transition\", \"bbox\": [0.5536, 0.6786, 0.6696, 0.7545]}, {\"label\": \"land_transition\", \"bbox\": [0.7679, 0.8884, 0.8839, 0.9598]}, {\"label\": \"land_transition\", \"bbox\": [0.9196, 0.0536, 0.9777, 0.1161]}, {\"label\": \"land_transition\", \"bbox\": [0.8259, 0.6741, 0.8705, 0.7188]}, {\"label\": \"land_transition\", \"bbox\": [0.7143, 0.6741, 0.7634, 0.7366]}, {\"label\": \"land_transition\", \"bbox\": [0.7321, 0.9107, 0.7634, 0.9643]}, {\"label\": \"land_transition\", \"bbox\": [0.6696, 0.7277, 0.7054, 0.7545]}, {\"label\": \"land_transition\", \"bbox\": [0.9777, 0.0759, 0.9955, 0.1161]}]"}]}], "regions": [{"label": "land_transition", "bbox": [65, 198, 158, 223], "area_px": 1149}, {"label": "land_transition", "bbox": [154, 0, 199, 18], "area_px": 498}, {"label": "land_transition", "bbox": [39, 206, 67, 223], "area_px": 242}, {"label": "land_transition", "bbox": [124, 152, 150, 169], "area_px": 156}, {"label": "land_transition", "bbox": [172, 199, 198, 215], "area_px": 145}, {"label": "land_transition", "bbox": [206, 12, 219, 26], "area_px": 86}, {"label": "land_transition", "bbox": [185, 151, 195, 161], "area_px": 58}, {"label": "land_transition", "bbox": [160, 151, 171, 165], "area_px": 56}, {"label": "land_transition", "bbox": [164, 204, 171, 216], "area_px": 32}, {"label": "land_transition", "bbox": [150, 163, 158, 169], "area_px": 30}, {"label": "land_transition", "bbox": [219, 17, 223, 26], "area_px": 20}], "metadata": {"event_id": "landshift_00009", "profile": "landshift", "tile_stem": "landshift_00009_t0015"}}