File size: 1,392 Bytes
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"model_name": "marine_sampoly_polygon",
"purpose": "Typical marine ecological feature polygon extraction",
"encoder": {
"type": "DINOv3 ViT + DINOv3 ConvNeXt dual branch",
"fusion": "Coast-style cross-scale semantic/detail fusion",
"fine_tuning": {
"vit_unfrozen_blocks": 2,
"convnext_unfrozen_stages": 2,
"unfreeze_all_norm_layers": true
}
},
"head": {
"style": "SAMPolyBuild-like polygon mapping",
"not_a_box_detector": true,
"outputs": [
"foreground_mask_logits",
"boundary_logits",
"vertex_logits",
"polygon_objectness",
"fixed_vertex_polygons"
],
"default_num_queries": 100,
"default_vertices_per_polygon": 32,
"supervision": [
"mask",
"boundary",
"vertex_heatmap",
"polygon_sequence"
]
},
"data": {
"preferred_formats": [
"images/{split} + masks/{split}",
"images/{split} + annotations/{split}.json",
"images/{split} + annotations/ann.json"
],
"polygon_annotation_format": "COCO segmentation polygons",
"bbox_only_data": "not sufficient for true polygon training; reject from the main dataset"
},
"notes": [
"Training this head requires masks or polygon annotations; rectangle boxes cannot teach true boundaries.",
"Do not assume external coastline, land mask, or GIS vector layers are available."
]
}
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