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{
  "coverage": {
    "episode_count": 12783,
    "label_frame_count": 3227699,
    "rgb_requested_frame_count": 63915,
    "rgb_decoded_frame_count": 63915,
    "rgb_frames_per_episode": 5.0
  },
  "structural": {
    "fatal_episode_count": 0,
    "fatal_error_counts": {}
  },
  "visibility": {
    "low_visibility_episode_count": 1353,
    "low_visibility_episode_rate": 0.10584369866228585,
    "fully_offscreen_episode_count": 399,
    "fully_offscreen_episode_rate": 0.031213330204177422,
    "neither_hand_visible_frame_count": 427709
  },
  "geometry": {
    "persistent_disagreement_episode_count": 6,
    "temporal_jump_episode_count": 2,
    "behind_camera_episode_count": 31,
    "tail_disagreement_episode_count": 213,
    "likely_noisy_triangulated_reference_episode_count": 185,
    "unresolved_tail_disagreement_episode_count": 28
  },
  "rgb_alignment": {
    "status_counts": {
      "detector_miss_unverified": 13,
      "mostly_offscreen_unverified": 1429,
      "pass": 11323,
      "suspect_video_label_alignment": 18
    },
    "suspect_episode_count": 18,
    "manually_cleared_suspect_count": 18,
    "manually_confirmed_mismatch_count": 0,
    "unresolved_suspect_count": 0,
    "decode_incomplete_episode_count": 0,
    "detector_unverified_episode_count": 1442
  },
  "recommendation": {
    "conservative_exclude_episode_count": 1384,
    "conservative_exclude_episode_rate": 0.1082687944926856,
    "episode_ids_path": "<dataset_root>/full_quality_audit/recommended_exclude_episode_ids.json",
    "note": "Visibility filtering is a VITRA learnability decision, not proof of corrupt source data."
  },
  "baseline_known_bad_comparison": {
    "episode_count": 13247,
    "known_length_misaligned_count": 453,
    "known_length_misaligned_rate": 0.03419642183135804
  },
  "strict_known_bad_comparison": {
    "episode_count": 12783,
    "train_episode_count": 11461,
    "test_episode_count": 1322,
    "frame_count": 3227699,
    "train_frame_count": 2963261,
    "test_frame_count": 264438,
    "known_length_misaligned_retained_count": 0,
    "known_length_misaligned_retained_rate": 0.0,
    "known_length_misaligned_retained_ids": [],
    "quality_rejection_counts": {
      "video_annotation_length_mismatch": 381,
      "missing_official_video_mapping": 83
    },
    "quality_rejection_count": 464,
    "skipped_missing_mano_keypoints": 1,
    "skipped_short_clip": 1,
    "trimmed_tail_frames": 99
  }
}