{
  "schema_version": 1,
  "dataset_id": "luminmouse-core4-bridge33k-rotating-v2",
  "publication_kind": "source_manifests_and_recipe_only",
  "image_payload_hosted": false,
  "per_image_annotations_hosted": false,
  "seed": 42,
  "keypoints": ["nose", "left_ear", "right_ear", "tail_base"],
  "bbox_format": "COCO xywh in original image pixels",
  "missing_keypoints": "masked; never teacher-filled",
  "human_pose_supervision_only": true,
  "raw_training_input": {
    "external": {"images": 27826, "instances": 48073},
    "topviewmouse": {"images": 5114, "instances": 5452}
  },
  "prepared_views": {
    "pose_train": {"images": 32713, "instances": 53420},
    "detector_train": {"images": 32754, "instances": 53502},
    "external_validation": {"images": 2662, "instances": 4801},
    "historical_test": {"images": 263, "bbox_instances": 285, "core4_instances": 283}
  },
  "openfield": {"train_images": 1012, "historical_test_images": 54},
  "sampling": {
    "strategy": "seeded cyclic windows; one mouse per pose frame rotates by epoch",
    "per_source_frame_caps": {"mars_topview_pose": 1242, "kumar_ofa_pose": 1242, "lightning_pose_crim13": 1242},
    "uncapped_sources": "all eligible frames per epoch",
    "pose_crops_per_epoch": 11070,
    "detector_frames_per_epoch": 11070,
    "detector_frames_with_ddp_padding": 11072
  },
  "training_exposure": {
    "pose": {"epochs": 600, "global_batch": 64, "world_size": 8, "local_batch": 8, "updates": 103800},
    "detector": {"formal_time_hours": 12.5, "completed_epochs": 714, "global_batch": 64, "image_size": 640}
  },
  "historical_loader_caveat": "Seven invalid normalized detector-label records were skipped in the original run; prepared-manifest totals are not loaded-record totals.",
  "split_limitations": [
    "MARS has no released session IDs; deterministic frame-hash splitting is diagnostic, not session-disjoint evidence.",
    "TopViewMouse has source-family labels but no reliable released session IDs.",
    "Historical test must not enter gradients, training pseudo-labels, checkpoint selection, or threshold tuning."
  ]
}