KevinX-Penn28 commited on
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1 Parent(s): 7a409cf

Upload VINE model - pipeline

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Files changed (2) hide show
  1. config.json +10 -0
  2. vine_pipeline.py +691 -0
config.json CHANGED
@@ -10,6 +10,16 @@
10
  },
11
  "bbox_min_dim": 5,
12
  "box_threshold": 0.35,
 
 
 
 
 
 
 
 
 
 
13
  "debug_visualizations": false,
14
  "hidden_dim": 768,
15
  "interested_object_pairs": [],
 
10
  },
11
  "bbox_min_dim": 5,
12
  "box_threshold": 0.35,
13
+ "custom_pipelines": {
14
+ "vine-video-understanding": {
15
+ "impl": "vine_pipeline.VinePipeline",
16
+ "pt": [
17
+ "VineModel"
18
+ ],
19
+ "tf": [],
20
+ "type": "multimodal"
21
+ }
22
+ },
23
  "debug_visualizations": false,
24
  "hidden_dim": 768,
25
  "interested_object_pairs": [],
vine_pipeline.py ADDED
@@ -0,0 +1,691 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import torch
2
+ import numpy as np
3
+ import cv2
4
+ import os
5
+ from typing import Dict, List, Tuple, Optional, Any, Union
6
+ from transformers import Pipeline
7
+ import tempfile
8
+ import uuid
9
+
10
+ from .vine_config import VineConfig
11
+ from .vine_model import VineModel
12
+ from .vis_utils import render_dino_frames, render_sam_frames, render_vine_frame_sets
13
+ from laser.loading import load_video
14
+ from laser.preprocess.mask_generation_grounding_dino import generate_masks_grounding_dino
15
+
16
+ class VinePipeline(Pipeline):
17
+ """
18
+ Pipeline for VINE model that handles end-to-end video understanding.
19
+
20
+ This pipeline takes a video file or frames, along with segmentation method
21
+ and keyword lists, and returns probability distributions over the keywords.
22
+
23
+ Segmentation Model Configuration:
24
+ The pipeline requires SAM2 and GroundingDINO models for mask generation.
25
+ You can configure custom paths via constructor kwargs:
26
+
27
+ - sam_config_path: Path to SAM2 config (e.g., "configs/sam2.1/sam2.1_hiera_b+.yaml")
28
+ - sam_checkpoint_path: Path to SAM2 checkpoint (e.g., "checkpoints/sam2.1_hiera_base_plus.pt")
29
+ - gd_config_path: Path to GroundingDINO config (e.g., "groundingdino/config/GroundingDINO_SwinT_OGC.py")
30
+ - gd_checkpoint_path: Path to GroundingDINO checkpoint (e.g., "checkpoints/groundingdino_swint_ogc.pth")
31
+
32
+ Old:
33
+ - SAM2: ~/research/sam2/ or /home/asethi04/LASER_NEW/LASER/sam2/
34
+ - GroundingDINO: /home/asethi04/LASER_NEW/LASER/GroundingDINO/
35
+
36
+ Alternative: Use set_segmentation_models() to provide pre-initialized model instances.
37
+ """
38
+
39
+ def __init__(
40
+ self,
41
+ sam_config_path: Optional[str] = None,
42
+ sam_checkpoint_path: Optional[str] = None,
43
+ gd_config_path: Optional[str] = None,
44
+ gd_checkpoint_path: Optional[str] = None,
45
+ **kwargs
46
+ ):
47
+ self.grounding_model = None
48
+ self.sam_predictor = None
49
+ self.mask_generator = None
50
+
51
+ self.sam_config_path = sam_config_path
52
+ self.sam_checkpoint_path = sam_checkpoint_path
53
+ self.gd_config_path = gd_config_path
54
+ self.gd_checkpoint_path = gd_checkpoint_path
55
+
56
+
57
+ super().__init__(**kwargs)
58
+
59
+
60
+ # Set default parameters from config
61
+ self.segmentation_method = getattr(self.model.config, 'segmentation_method', 'grounding_dino_sam2')
62
+ self.box_threshold = getattr(self.model.config, 'box_threshold', 0.35)
63
+ self.text_threshold = getattr(self.model.config, 'text_threshold', 0.25)
64
+ self.target_fps = getattr(self.model.config, 'target_fps', 1)
65
+ self.visualize = getattr(self.model.config, 'visualize', False)
66
+ self.visualization_dir = getattr(self.model.config, 'visualization_dir', None)
67
+ self.debug_visualizations = getattr(self.model.config, 'debug_visualizations', False)
68
+ self._device = getattr(self.model.config, '_device')
69
+ if kwargs.get("device") is not None:
70
+ self._device = kwargs.get("device")
71
+
72
+ def set_segmentation_models(
73
+ self,
74
+ *,
75
+ sam_predictor=None,
76
+ mask_generator=None,
77
+ grounding_model=None
78
+ ):
79
+ """
80
+ Set pre-initialized segmentation models, bypassing automatic initialization/current_values
81
+
82
+ Args:
83
+ sam_predictor: Pre-built SAM2 video predictor
84
+ mask_generator: Pre-built SAM2 automatic mask generator
85
+ grounding_model: Pre-built GroundingDINO model
86
+ """
87
+ if sam_predictor is not None:
88
+ self.sam_predictor = sam_predictor
89
+ if mask_generator is not None:
90
+ self.mask_generator = mask_generator
91
+ if grounding_model is not None:
92
+ self.grounding_model = grounding_model
93
+
94
+ def _sanitize_parameters(self, **kwargs):
95
+ """Sanitize parameters for different pipeline stages."""
96
+ preprocess_kwargs = {}
97
+ forward_kwargs = {}
98
+ postprocess_kwargs = {}
99
+
100
+ # Preprocess parameters
101
+ if "segmentation_method" in kwargs:
102
+ preprocess_kwargs["segmentation_method"] = kwargs["segmentation_method"]
103
+ if "target_fps" in kwargs:
104
+ preprocess_kwargs["target_fps"] = kwargs["target_fps"]
105
+ if "box_threshold" in kwargs:
106
+ preprocess_kwargs["box_threshold"] = kwargs["box_threshold"]
107
+ if "text_threshold" in kwargs:
108
+ preprocess_kwargs["text_threshold"] = kwargs["text_threshold"]
109
+ if "categorical_keywords" in kwargs:
110
+ preprocess_kwargs["categorical_keywords"] = kwargs["categorical_keywords"]
111
+
112
+ # Forward parameters
113
+ if "categorical_keywords" in kwargs:
114
+ forward_kwargs["categorical_keywords"] = kwargs["categorical_keywords"]
115
+ if "unary_keywords" in kwargs:
116
+ forward_kwargs["unary_keywords"] = kwargs["unary_keywords"]
117
+ if "binary_keywords" in kwargs:
118
+ forward_kwargs["binary_keywords"] = kwargs["binary_keywords"]
119
+ if "object_pairs" in kwargs:
120
+ forward_kwargs["object_pairs"] = kwargs["object_pairs"]
121
+ if "return_flattened_segments" in kwargs:
122
+ forward_kwargs["return_flattened_segments"] = kwargs["return_flattened_segments"]
123
+ if "return_valid_pairs" in kwargs:
124
+ forward_kwargs["return_valid_pairs"] = kwargs["return_valid_pairs"]
125
+ if "interested_object_pairs" in kwargs:
126
+ forward_kwargs["interested_object_pairs"] = kwargs["interested_object_pairs"]
127
+ if "debug_visualizations" in kwargs:
128
+ forward_kwargs["debug_visualizations"] = kwargs["debug_visualizations"]
129
+ postprocess_kwargs["debug_visualizations"] = kwargs["debug_visualizations"]
130
+
131
+ # Postprocess parameters
132
+ if "return_top_k" in kwargs:
133
+ postprocess_kwargs["return_top_k"] = kwargs["return_top_k"]
134
+ if "self.visualize" in kwargs:
135
+ postprocess_kwargs["self.visualize"] = kwargs["self.visualize"]
136
+
137
+ return preprocess_kwargs, forward_kwargs, postprocess_kwargs
138
+
139
+ def preprocess(
140
+ self,
141
+ video_input: Union[str, np.ndarray, torch.Tensor],
142
+ segmentation_method: str = None,
143
+ target_fps: int = None,
144
+ box_threshold: float = None,
145
+ text_threshold: float = None,
146
+ categorical_keywords: List[str] = None,
147
+ **kwargs
148
+ ) -> Dict[str, Any]:
149
+ """
150
+ Preprocess video input and generate masks.
151
+
152
+ Args:
153
+ video_input: Path to video file, or video tensor/array
154
+ segmentation_method: "sam2" or "grounding_dino_sam2"
155
+ target_fps: Target FPS for video processing
156
+ box_threshold: Box threshold for Grounding DINO
157
+ text_threshold: Text threshold for Grounding DINO
158
+ categorical_keywords: Keywords for Grounding DINO segmentation
159
+
160
+ Returns:
161
+ Dict containing video frames, masks, and bboxes
162
+ """
163
+ # Use defaults from config if not provided
164
+ if segmentation_method is None:
165
+ segmentation_method = self.segmentation_method
166
+ if target_fps is None:
167
+ target_fps = self.target_fps
168
+ if box_threshold is None:
169
+ box_threshold = self.box_threshold
170
+ if text_threshold is None:
171
+ text_threshold = self.text_threshold
172
+ if categorical_keywords is None:
173
+ categorical_keywords = ["object"] # Default generic category
174
+
175
+ if isinstance(video_input, str):
176
+ # Video file path
177
+ video_tensor = load_video(video_input, target_fps=target_fps)
178
+ if isinstance(video_tensor, list):
179
+ video_tensor = np.array(video_tensor)
180
+ elif isinstance(video_tensor, torch.Tensor):
181
+ video_tensor = video_tensor.cpu().numpy()
182
+
183
+ elif isinstance(video_input, (np.ndarray, torch.Tensor)):
184
+ # Video tensor/array
185
+ if isinstance(video_input, torch.Tensor):
186
+ video_tensor = video_input.numpy()
187
+ else:
188
+ video_tensor = video_input
189
+ else:
190
+ raise ValueError(f"Unsupported video input type: {type(video_input)}")
191
+
192
+ # Ensure video tensor is numpy array
193
+ if not isinstance(video_tensor, np.ndarray):
194
+ video_tensor = np.array(video_tensor)
195
+
196
+ # Ensure video tensor is in correct format
197
+ if len(video_tensor.shape) != 4:
198
+ raise ValueError(f"Expected video tensor shape (frames, height, width, channels), got {video_tensor.shape}")
199
+
200
+ # Generate masks and bboxes based on segmentation method
201
+ visualization_data: Dict[str, Any] = {}
202
+ print(f"Segmentation method: {segmentation_method}")
203
+ if segmentation_method == "sam2":
204
+ masks, bboxes, vis_data = self._generate_sam2_masks(video_tensor)
205
+ elif segmentation_method == "grounding_dino_sam2":
206
+ masks, bboxes, vis_data = self._generate_grounding_dino_sam2_masks(
207
+ video_tensor, categorical_keywords, box_threshold, text_threshold, video_input
208
+ )
209
+ else:
210
+ raise ValueError(f"Unsupported segmentation method: {segmentation_method}")
211
+ if vis_data:
212
+ visualization_data.update(vis_data)
213
+ visualization_data.setdefault("sam_masks", masks)
214
+
215
+ return {
216
+ "video_frames": torch.tensor(video_tensor),
217
+ "masks": masks,
218
+ "bboxes": bboxes,
219
+ "num_frames": len(video_tensor),
220
+ "visualization_data": visualization_data,
221
+ }
222
+
223
+ def _generate_sam2_masks(self, video_tensor: np.ndarray) -> Tuple[Dict, Dict, Dict[str, Any]]:
224
+ """Generate masks using SAM2 automatic mask generation."""
225
+ # Initialize SAM2 models if not already done
226
+ print("Generating SAM2 masks...")
227
+ if self.mask_generator is None:
228
+ self._initialize_segmentation_models()
229
+
230
+ if self.mask_generator is None:
231
+ raise ValueError("SAM2 mask generator not available")
232
+
233
+ masks: Dict[int, Dict[int, torch.Tensor]] = {}
234
+ bboxes: Dict[int, Dict[int, List[int]]] = {}
235
+
236
+ for frame_id, frame in enumerate(video_tensor):
237
+ if isinstance(frame, np.ndarray) and frame.dtype != np.uint8:
238
+ frame = (frame * 255).astype(np.uint8) if frame.max() <= 1 else frame.astype(np.uint8)
239
+
240
+ height, width, _ = frame.shape
241
+ frame_masks = self.mask_generator.generate(frame)
242
+
243
+ masks[frame_id] = {}
244
+ bboxes[frame_id] = {}
245
+
246
+ for obj_id, mask_data in enumerate(frame_masks):
247
+ mask = mask_data["segmentation"]
248
+ if isinstance(mask, np.ndarray):
249
+ mask = torch.from_numpy(mask)
250
+
251
+ if len(mask.shape) == 2:
252
+ mask = mask.unsqueeze(-1)
253
+ elif len(mask.shape) == 3 and mask.shape[0] == 1:
254
+ mask = mask.permute(1, 2, 0)
255
+
256
+ wrapped_id = obj_id + 1
257
+ masks[frame_id][wrapped_id] = mask
258
+
259
+ mask_np = mask.squeeze().numpy() if isinstance(mask, torch.Tensor) else mask.squeeze()
260
+
261
+ coords = np.where(mask_np > 0)
262
+ if len(coords[0]) > 0:
263
+ y1, y2 = coords[0].min(), coords[0].max()
264
+ x1, x2 = coords[1].min(), coords[1].max()
265
+ bboxes[frame_id][wrapped_id] = [x1, y1, x2, y2]
266
+
267
+ return masks, bboxes, {"sam_masks": masks}
268
+
269
+ def _generate_grounding_dino_sam2_masks(
270
+ self,
271
+ video_tensor: np.ndarray,
272
+ categorical_keywords: List[str],
273
+ box_threshold: float,
274
+ text_threshold: float,
275
+ video_path: str,
276
+ ) -> Tuple[Dict, Dict, Dict[str, Any]]:
277
+ """Generate masks using Grounding DINO + SAM2."""
278
+ # Initialize models if not already done
279
+ print("Generating Grounding DINO + SAM2 masks...")
280
+ if self.grounding_model is None or self.sam_predictor is None:
281
+ self._initialize_segmentation_models()
282
+
283
+ if self.grounding_model is None or self.sam_predictor is None:
284
+ raise ValueError("GroundingDINO or SAM2 models not available")
285
+
286
+ temp_video_path = None
287
+ if video_path is None or not isinstance(video_path, str):
288
+ temp_video_path = self._create_temp_video(video_tensor)
289
+ video_path = temp_video_path
290
+
291
+ CHUNK = 5
292
+ classes_ls = [categorical_keywords[i:i + CHUNK] for i in range(0, len(categorical_keywords), CHUNK)]
293
+ video_segments, oid_class_pred, _ = generate_masks_grounding_dino(
294
+ self.grounding_model,
295
+ box_threshold,
296
+ text_threshold,
297
+ self.sam_predictor,
298
+ self.mask_generator,
299
+ video_tensor,
300
+ video_path,
301
+ "temp_video",
302
+ out_dir=tempfile.gettempdir(),
303
+ classes_ls=classes_ls,
304
+ target_fps=self.target_fps,
305
+ visualize=self.debug_visualizations,
306
+ frames=None,
307
+ max_prop_time=10
308
+ )
309
+
310
+ masks: Dict[int, Dict[int, torch.Tensor]] = {}
311
+ bboxes: Dict[int, Dict[int, List[int]]] = {}
312
+
313
+
314
+ for frame_id, frame_masks in video_segments.items():
315
+ masks[frame_id] = {}
316
+ bboxes[frame_id] = {}
317
+
318
+ for obj_id, mask in frame_masks.items():
319
+ if not isinstance(mask, torch.Tensor):
320
+ mask = torch.tensor(mask)
321
+ masks[frame_id][obj_id] = mask
322
+ mask_np = mask.numpy()
323
+ if mask_np.ndim == 3 and mask_np.shape[0] == 1:
324
+ mask_np = np.squeeze(mask_np, axis=0)
325
+
326
+ coords = np.where(mask_np > 0)
327
+ if len(coords[0]) > 0:
328
+ y1, y2 = coords[0].min(), coords[0].max()
329
+ x1, x2 = coords[1].min(), coords[1].max()
330
+ bboxes[frame_id][obj_id] = [x1, y1, x2, y2]
331
+
332
+
333
+ if temp_video_path and os.path.exists(temp_video_path):
334
+ os.remove(temp_video_path)
335
+
336
+ vis_data: Dict[str, Any] = {
337
+ "sam_masks": masks,
338
+ "dino_labels": oid_class_pred,
339
+ }
340
+ return masks, bboxes, vis_data
341
+
342
+ def _initialize_segmentation_models(self):
343
+ """Initialize segmentation models based on the requested method and configured paths."""
344
+ if (self.sam_predictor is None or self.mask_generator is None):
345
+ self._initialize_sam2_models()
346
+
347
+ if self.grounding_model is None:
348
+ self._initialize_grounding_dino_model()
349
+
350
+ def _initialize_sam2_models(self):
351
+ """Initialize SAM2 video predictor and mask generator."""
352
+ try:
353
+ from sam2.build_sam import build_sam2_video_predictor, build_sam2
354
+ from sam2.automatic_mask_generator import SAM2AutomaticMaskGenerator
355
+ except ImportError as e:
356
+ print(f"Warning: Could not import SAM2: {e}")
357
+ return
358
+
359
+ # Resolve SAM2 paths
360
+ config_path, checkpoint_path = self._resolve_sam2_paths()
361
+
362
+ # Validate paths if custom ones were provided
363
+ if self.sam_config_path is not None and not os.path.exists(config_path):
364
+ raise ValueError(f"SAM2 config path not found: {config_path}")
365
+ if self.sam_checkpoint_path is not None and not os.path.exists(checkpoint_path):
366
+ raise ValueError(f"SAM2 checkpoint path not found: {checkpoint_path}")
367
+
368
+ # Only proceed if we have valid paths
369
+ if not os.path.exists(checkpoint_path):
370
+ print(f"Warning: SAM2 checkpoint not found at {checkpoint_path}")
371
+ print("SAM2 functionality will be unavailable")
372
+ return
373
+
374
+ try:
375
+ device = self._device
376
+
377
+ print(type(device))
378
+ # Video predictor
379
+ self.sam_predictor = build_sam2_video_predictor(
380
+ config_path, checkpoint_path, device=device
381
+ )
382
+
383
+ # Mask generator
384
+ sam2_model = build_sam2(config_path, checkpoint_path, device=device, apply_postprocessing=False)
385
+ self.mask_generator = SAM2AutomaticMaskGenerator(
386
+ model=sam2_model,
387
+ points_per_side=32,
388
+ points_per_batch=32,
389
+ pred_iou_thresh=0.7,
390
+ stability_score_thresh=0.8,
391
+ crop_n_layers=2,
392
+ box_nms_thresh=0.6,
393
+ crop_n_points_downscale_factor=2,
394
+ min_mask_region_area=30.0,
395
+ use_m2m=True,
396
+ )
397
+ print("✓ SAM2 models initialized successfully")
398
+
399
+ except Exception as e:
400
+ raise ValueError(f"Failed to initialize SAM2 with custom paths: {e}")
401
+
402
+ def _initialize_grounding_dino_model(self):
403
+ """Initialize GroundingDINO model."""
404
+ try:
405
+ from groundingdino.util.inference import Model as gd_Model
406
+ except ImportError as e:
407
+ print(f"Warning: Could not import GroundingDINO: {e}")
408
+ return
409
+
410
+ # Resolve GroundingDINO paths
411
+ config_path, checkpoint_path = self._resolve_grounding_dino_paths()
412
+
413
+ # Validate paths if custom ones were provided
414
+ if self.gd_config_path is not None and not os.path.exists(config_path):
415
+ raise ValueError(f"GroundingDINO config path not found: {config_path}")
416
+ if self.gd_checkpoint_path is not None and not os.path.exists(checkpoint_path):
417
+ raise ValueError(f"GroundingDINO checkpoint path not found: {checkpoint_path}")
418
+
419
+ # Only proceed if we have valid paths
420
+ if not (os.path.exists(config_path) and os.path.exists(checkpoint_path)):
421
+ print(f"Warning: GroundingDINO models not found at {config_path} / {checkpoint_path}")
422
+ print("GroundingDINO functionality will be unavailable")
423
+ return
424
+
425
+ try:
426
+ device = self._device
427
+ print(type(device))
428
+ self.grounding_model = gd_Model(
429
+ model_config_path=config_path,
430
+ model_checkpoint_path=checkpoint_path,
431
+ device=device
432
+ )
433
+ print("✓ GroundingDINO model initialized successfully")
434
+
435
+ except Exception as e:
436
+ raise ValueError(f"Failed to initialize GroundingDINO with custom paths: {e}")
437
+
438
+ def _resolve_sam2_paths(self):
439
+ """Resolve SAM2 config and checkpoint paths."""
440
+ # Use custom paths if provided
441
+ if self.sam_config_path and self.sam_checkpoint_path:
442
+ return self.sam_config_path, self.sam_checkpoint_path
443
+
444
+ def _resolve_grounding_dino_paths(self):
445
+ """Resolve GroundingDINO config and checkpoint paths."""
446
+ # Use custom paths if provided
447
+ if self.gd_config_path and self.gd_checkpoint_path:
448
+ return self.gd_config_path, self.gd_checkpoint_path
449
+
450
+
451
+ def _prepare_visualization_dir(self, name: str, enabled: bool) -> Optional[str]:
452
+ """
453
+ Ensure a directory exists for visualization artifacts and return it.
454
+ If visualization is disabled, returns None.
455
+ """
456
+ if not enabled:
457
+ return None
458
+
459
+ if self.visualization_dir:
460
+ target_dir = os.path.join(self.visualization_dir, name) if name else self.visualization_dir
461
+ os.makedirs(target_dir, exist_ok=True)
462
+ return target_dir
463
+
464
+ return tempfile.mkdtemp(prefix=f"vine_{name}_")
465
+
466
+ def _create_temp_video(self, video_tensor: np.ndarray, base_dir: Optional[str] = None, prefix: str = "temp_video") -> str:
467
+ """Create a temporary video file from video tensor."""
468
+ if base_dir is None:
469
+ base_dir = tempfile.mkdtemp(prefix=f"vine_{prefix}_")
470
+ else:
471
+ os.makedirs(base_dir, exist_ok=True)
472
+ file_name = f"{prefix}_{uuid.uuid4().hex}.mp4"
473
+ temp_path = os.path.join(base_dir, file_name)
474
+
475
+ # Use OpenCV to write video
476
+ height, width = video_tensor.shape[1:3]
477
+ fourcc = cv2.VideoWriter_fourcc(*'mp4v')
478
+ out = cv2.VideoWriter(temp_path, fourcc, self.target_fps, (width, height))
479
+
480
+ for frame in video_tensor:
481
+ # Convert RGB to BGR for OpenCV
482
+ if len(frame.shape) == 3 and frame.shape[2] == 3:
483
+ frame_bgr = cv2.cvtColor(frame, cv2.COLOR_RGB2BGR)
484
+ else:
485
+ frame_bgr = frame
486
+ out.write(frame_bgr.astype(np.uint8))
487
+
488
+ out.release()
489
+ return temp_path
490
+
491
+ def _forward(self, model_inputs: Dict[str, Any], **forward_kwargs) -> Dict[str, Any]:
492
+ """Forward pass through the model."""
493
+ outputs = self.model.predict(
494
+ video_frames=model_inputs["video_frames"],
495
+ masks=model_inputs["masks"],
496
+ bboxes=model_inputs["bboxes"],
497
+ **forward_kwargs
498
+ )
499
+ outputs.setdefault("video_frames", model_inputs.get("video_frames"))
500
+ outputs.setdefault("bboxes", model_inputs.get("bboxes"))
501
+ outputs.setdefault("masks", model_inputs.get("masks"))
502
+ outputs.setdefault("visualization_data", model_inputs.get("visualization_data"))
503
+ return outputs
504
+
505
+ def postprocess(
506
+ self,
507
+ model_outputs: Dict[str, Any],
508
+ return_top_k: int = 3,
509
+ visualize: Optional[bool] = None,
510
+ **kwargs
511
+ ) -> Dict[str, Any]:
512
+ """
513
+ Postprocess model outputs into user-friendly format.
514
+
515
+ Args:
516
+ model_outputs: Raw model outputs
517
+ return_top_k: Number of top predictions to return
518
+ self.visualize: Whether to include visualization data
519
+
520
+ Returns:
521
+ Formatted results
522
+ """
523
+ results = {
524
+ "categorical_predictions": model_outputs.get("categorical_predictions", {}),
525
+ "unary_predictions": model_outputs.get("unary_predictions", {}),
526
+ "binary_predictions": model_outputs.get("binary_predictions", {}),
527
+ "confidence_scores": model_outputs.get("confidence_scores", {}),
528
+ "summary": self._generate_summary(model_outputs)
529
+ }
530
+ if "flattened_segments" in model_outputs:
531
+ results["flattened_segments"] = model_outputs["flattened_segments"]
532
+ if "valid_pairs" in model_outputs:
533
+ results["valid_pairs"] = model_outputs["valid_pairs"]
534
+ if "valid_pairs_metadata" in model_outputs:
535
+ results["valid_pairs_metadata"] = model_outputs["valid_pairs_metadata"]
536
+ if "visualization_data" in model_outputs:
537
+ results["visualization_data"] = model_outputs["visualization_data"]
538
+
539
+ if self.visualize and "video_frames" in model_outputs and "bboxes" in model_outputs:
540
+ frames_tensor = model_outputs["video_frames"]
541
+ if isinstance(frames_tensor, torch.Tensor):
542
+ frames_np = frames_tensor.detach().cpu().numpy()
543
+ else:
544
+ frames_np = np.asarray(frames_tensor)
545
+ if frames_np.dtype != np.uint8:
546
+ if np.issubdtype(frames_np.dtype, np.floating):
547
+ max_val = frames_np.max() if frames_np.size else 0.0
548
+ scale = 255.0 if max_val <= 1.0 else 1.0
549
+ frames_np = (frames_np * scale).clip(0, 255).astype(np.uint8)
550
+ else:
551
+ frames_np = frames_np.clip(0, 255).astype(np.uint8)
552
+
553
+ cat_label_lookup: Dict[int, Tuple[str, float]] = {}
554
+ for obj_id, preds in model_outputs.get("categorical_predictions", {}).items():
555
+ if preds:
556
+ prob, label = preds[0]
557
+ cat_label_lookup[obj_id] = (label, prob)
558
+
559
+ unary_preds = model_outputs.get("unary_predictions", {})
560
+ unary_lookup: Dict[int, Dict[int, List[Tuple[float, str]]]] = {}
561
+ for (frame_id, obj_id), preds in unary_preds.items():
562
+ if preds:
563
+ unary_lookup.setdefault(frame_id, {})[obj_id] = preds
564
+
565
+ binary_preds = model_outputs.get("binary_predictions", {})
566
+ binary_lookup: Dict[int, List[Tuple[Tuple[int, int], List[Tuple[float, str]]]]] = {}
567
+ for (frame_id, obj_pair), preds in binary_preds.items():
568
+ if preds:
569
+ binary_lookup.setdefault(frame_id, []).append((obj_pair, preds))
570
+
571
+ bboxes = model_outputs["bboxes"]
572
+ visualization_data = model_outputs.get("visualization_data", {})
573
+ visualizations: Dict[str, Dict[str, Any]] = {}
574
+ debug_visualizations = kwargs.get("debug_visualizations")
575
+ if debug_visualizations is None:
576
+ debug_visualizations = self.debug_visualizations
577
+
578
+ vine_frame_sets = render_vine_frame_sets(
579
+ frames_np,
580
+ bboxes,
581
+ cat_label_lookup,
582
+ unary_lookup,
583
+ binary_lookup,
584
+ visualization_data.get("sam_masks"),
585
+ )
586
+
587
+ vine_visuals: Dict[str, Dict[str, Any]] = {}
588
+ final_frames = vine_frame_sets.get("all", [])
589
+ if final_frames:
590
+ final_entry: Dict[str, Any] = {"frames": final_frames, "video_path": None}
591
+ final_dir = self._prepare_visualization_dir("all", enabled=self.visualize)
592
+ final_entry["video_path"] = self._create_temp_video(
593
+ np.stack(final_frames, axis=0),
594
+ base_dir=final_dir,
595
+ prefix="all_visualization"
596
+ )
597
+ vine_visuals["all"] = final_entry
598
+
599
+ if debug_visualizations:
600
+ sam_masks = visualization_data.get("sam_masks")
601
+ if sam_masks:
602
+ sam_frames = render_sam_frames(frames_np, sam_masks, visualization_data.get("dino_labels"))
603
+ sam_entry = {"frames": sam_frames, "video_path": None}
604
+ if sam_frames:
605
+ sam_dir = self._prepare_visualization_dir("sam", enabled=self.visualize)
606
+ sam_entry["video_path"] = self._create_temp_video(
607
+ np.stack(sam_frames, axis=0),
608
+ base_dir=sam_dir,
609
+ prefix="sam_visualization"
610
+ )
611
+ visualizations["sam"] = sam_entry
612
+
613
+ dino_labels = visualization_data.get("dino_labels")
614
+ if dino_labels:
615
+ dino_frames = render_dino_frames(frames_np, bboxes, dino_labels)
616
+ dino_entry = {"frames": dino_frames, "video_path": None}
617
+ if dino_frames:
618
+ dino_dir = self._prepare_visualization_dir("dino", enabled=self.visualize)
619
+ dino_entry["video_path"] = self._create_temp_video(
620
+ np.stack(dino_frames, axis=0),
621
+ base_dir=dino_dir,
622
+ prefix="dino_visualization"
623
+ )
624
+ visualizations["dino"] = dino_entry
625
+
626
+ for name in ("object", "unary", "binary"):
627
+ frames_list = vine_frame_sets.get(name, [])
628
+ entry: Dict[str, Any] = {"frames": frames_list, "video_path": None}
629
+ if frames_list:
630
+ vine_dir = self._prepare_visualization_dir(name, enabled=self.visualize)
631
+ entry["video_path"] = self._create_temp_video(
632
+ np.stack(frames_list, axis=0),
633
+ base_dir=vine_dir,
634
+ prefix=f"{name}_visualization"
635
+ )
636
+ vine_visuals[name] = entry
637
+
638
+ if vine_visuals:
639
+ visualizations["vine"] = vine_visuals
640
+
641
+ if visualizations:
642
+ results["visualizations"] = visualizations
643
+
644
+ return results
645
+
646
+ def _generate_summary(self, model_outputs: Dict[str, Any]) -> Dict[str, Any]:
647
+ """Generate a summary of the predictions."""
648
+ categorical_preds = model_outputs.get("categorical_predictions", {})
649
+ unary_preds = model_outputs.get("unary_predictions", {})
650
+ binary_preds = model_outputs.get("binary_predictions", {})
651
+
652
+ summary = {
653
+ "num_objects_detected": len(categorical_preds),
654
+ "num_unary_predictions": len(unary_preds),
655
+ "num_binary_predictions": len(binary_preds),
656
+ "top_categories": [],
657
+ "top_actions": [],
658
+ "top_relations": []
659
+ }
660
+
661
+ # Extract top categories
662
+ all_categories = []
663
+ for obj_preds in categorical_preds.values():
664
+ if obj_preds:
665
+ all_categories.extend(obj_preds)
666
+
667
+ if all_categories:
668
+ sorted_categories = sorted(all_categories, reverse=True)
669
+ summary["top_categories"] = [(cat, prob) for prob, cat in sorted_categories[:3]]
670
+
671
+ # Extract top actions
672
+ all_actions = []
673
+ for action_preds in unary_preds.values():
674
+ if action_preds:
675
+ all_actions.extend(action_preds)
676
+
677
+ if all_actions:
678
+ sorted_actions = sorted(all_actions, reverse=True)
679
+ summary["top_actions"] = [(act, prob) for prob, act in sorted_actions[:3]]
680
+
681
+ # Extract top relations
682
+ all_relations = []
683
+ for rel_preds in binary_preds.values():
684
+ if rel_preds:
685
+ all_relations.extend(rel_preds)
686
+
687
+ if all_relations:
688
+ sorted_relations = sorted(all_relations, reverse=True)
689
+ summary["top_relations"] = [(rel, prob) for prob, rel in sorted_relations[:3]]
690
+
691
+ return summary