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.gitattributes

@@ -58,3 +58,5 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 # Video files - compressed
 *.mp4 filter=lfs diff=lfs merge=lfs -text
 *.webm filter=lfs diff=lfs merge=lfs -text
+quality/full_quality_audit/video_samples.jsonl filter=lfs diff=lfs merge=lfs -text
+quality/full_quality_audit/labels_per_episode.jsonl filter=lfs diff=lfs merge=lfs -text

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quality/full_quality_audit/full_audit_report.json

@@ -0,0 +1,72 @@
+{
+  "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": {
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+      "mostly_offscreen_unverified": 1429,
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+      "suspect_video_label_alignment": 18
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+    "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
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+  "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
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+    "known_length_misaligned_retained_count": 0,
+    "known_length_misaligned_retained_rate": 0.0,
+    "known_length_misaligned_retained_ids": [],
+    "quality_rejection_counts": {
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+      "missing_official_video_mapping": 83
+    },
+    "quality_rejection_count": 464,
+    "skipped_missing_mano_keypoints": 1,
+    "skipped_short_clip": 1,
+    "trimmed_tail_frames": 99
+  }
+}

quality/full_quality_audit/full_audit_report.md

@@ -0,0 +1,56 @@
+# GigaHands strict-v1 full quality audit
+
+## Coverage
+
+| audit | coverage |
+|---|---:|
+| converted episodes | 12,783 / 12,783 |
+| structural/temporal label frames | 3,227,699 / 3,227,699 |
+| RGB projection-detector frames | 63,915 / 63,915 |
+| RGB policy | every episode, up to 5 evenly spaced frames |
+
+## Results
+
+| category | episodes | rate |
+|---|---:|---:|
+| structural fatal error | 0 | 0.000% |
+| cam0: neither hand visible for more than half the episode | 1,353 | 10.584% |
+| cam0: neither hand visible for the whole episode | 399 | 3.121% |
+| persistent MANO-vs-triangulation disagreement (>5 cm median) | 6 | 0.047% |
+| output wrist temporal jump (>25 cm/frame) | 2 | 0.016% |
+| hand points behind selected camera (>5% joints) | 31 | 0.243% |
+| RGB detector: automatic alignment suspect | 18 | 0.141% |
+| RGB suspect: manually confirmed mismatch | 0 | 0.000% |
+| RGB suspect: unresolved after review | 0 | 0.000% |
+| RGB decode incomplete | 0 | 0.000% |
+
+Neither hand projects into cam0 for 427,709 / 3,227,699
+label frames (13.251%). These are not necessarily corrupt
+GigaHands motions, but they provide little or no image evidence for camera-conditioned VITRA training.
+
+The detector raised 18 automatic RGB-alignment suspects. Manual review cleared
+18: in those clips the projected MANO hand follows the real hand,
+while the detector fires on a monitor, object, toy dog, or a partially cropped hand with the wrong
+handedness. There are 0 confirmed mismatches and
+0 unresolved automatic suspects. The review decision file is
+`rgb_alignment_manual_review.json`, and the rendered evidence is in the `rgb_*_review_*.jpg` files.
+
+There are 213 episodes with a large MANO/triangulation tail discrepancy.
+In 185 of them the triangulated reference has a >10 cm jump and
+is more than twice as discontinuous as the converted MANO output, so those are more consistent
+with a noisy independent reference than with a converted-label failure. The remaining
+28 are not automatically attributable to either source and stay
+in the conservative exclusion/review list. Their maximum-disagreement image overlays are in
+`tail_disagreement_review_*.jpg`.
+
+## Conservative training recommendation
+
+Excluding low-visibility cam0 episodes, persistent or unresolved geometry disagreements, output
+temporal jumps, detector-confirmed RGB mismatches, and decode failures removes 1,384
+episodes (10.827%). The exact IDs are in
+`recommended_exclude_episode_ids.json`; all category measurements are in `audit_categories.json`.
+
+This is deliberately conservative. In particular, the visibility filter measures usefulness
+for VITRA training, not corruption of the underlying multiview motion. A better recovery policy
+is to select another official camera with high projected-hand visibility when that video is
+available, and only drop an episode when no camera is suitable.

quality/full_quality_audit/full_audit_summary.json

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+{
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+    "per_episode_path": "<dataset_root>/full_quality_audit/video_per_episode.jsonl"
+  }
+}

quality/full_quality_audit/labels_per_episode.jsonl

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+version https://git-lfs.github.com/spec/v1
+oid sha256:c709e32bc7873cb2ccadfe468085d46e17c726f4b102528d568a3616a93745e5
+size 53326952

quality/full_quality_audit/labels_summary.json

@@ -0,0 +1,203 @@
+{
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+}

quality/full_quality_audit/persistent_mismatch_five_frames.json

@@ -0,0 +1,152 @@
+[
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quality/full_quality_audit/persistent_mismatch_review.json

@@ -0,0 +1,44 @@
+[
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quality/full_quality_audit/rgb_alignment_manual_review.json

@@ -0,0 +1,37 @@
+{
+  "method": "All five evenly spaced projection overlays were inspected for each automatic alignment suspect; one high-visibility frame was additionally rendered with detector boxes/keypoints. The detector-miss cases were also inspected at their highest-visibility sampled frame.",
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+    "GigaHands_p005-knitting-tablet_141_brics-odroid-001_cam0_brics-odroid-001_cam0_1718907459559834_f000000_000091_ep_000000",
+    "GigaHands_p005-noodle-fastfood_094_brics-odroid-001_cam0_brics-odroid-001_cam0_1718401525384226_f000000_000172_ep_000000",
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+    "GigaHands_p011-noodle_026_brics-odroid-001_cam0_brics-odroid-001_cam0_1727293409514687_f000000_000125_ep_000000",
+    "GigaHands_p012-tablet_036_brics-odroid-001_cam0_brics-odroid-001_cam0_1726448590018054_f000000_000188_ep_000000",
+    "GigaHands_p013-makeup_049_brics-odroid-001_cam0_brics-odroid-001_cam0_1724895994843235_f000000_000108_ep_000000",
+    "GigaHands_p017-phone_050_brics-odroid-001_cam0_brics-odroid-001_cam0_1724545529003364_f000000_000127_ep_000000",
+    "GigaHands_p028-boxing_024_brics-odroid-001_cam0_brics-odroid-001_cam0_1726521474941358_f000000_000259_ep_000000",
+    "GigaHands_p029-makeup_052_brics-odroid-001_cam0_brics-odroid-001_cam0_1721405687423106_f000000_000290_ep_000000",
+    "GigaHands_p032-mindmap-1_018_brics-odroid-001_cam0_brics-odroid-001_cam0_1726270630745755_f000000_000319_ep_000000",
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+    "GigaHands_p044-dog_018_brics-odroid-001_cam0_brics-odroid-001_cam0_1725202613995543_f000000_000249_ep_000000",
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+    "GigaHands_p044-salad_040_brics-odroid-001_cam0_brics-odroid-001_cam0_1725205359846372_f000000_000210_ep_000000",
+    "GigaHands_p053-salad_052_brics-odroid-001_cam0_brics-odroid-001_cam0_1726880453735773_f000000_000129_ep_000000",
+    "GigaHands_p055-tablet_040_brics-odroid-001_cam0_brics-odroid-001_cam0_1726688704784254_f000000_000114_ep_000000"
+  ],
+  "confirmed_video_label_mismatch_episode_ids": [],
+  "detector_miss_review": {
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+    "result": "No visible video-label mismatch found; the projection follows the visible hand while the detector misses it or assigns the opposite handedness. These were never automatic exclusion candidates."
+  },
+  "review_artifacts": [
+    "rgb_suspect_review_1.jpg",
+    "rgb_suspect_review_2.jpg",
+    "rgb_suspect_review_3.jpg",
+    "rgb_suspect_detector_review_1.jpg",
+    "rgb_suspect_detector_review_2.jpg",
+    "rgb_detector_miss_review_1.jpg",
+    "rgb_detector_miss_review_2.jpg"
+  ]
+}

quality/full_quality_audit/rgb_suspect_review.json

@@ -0,0 +1,110 @@
+[
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quality/full_quality_audit/tail_disagreement_review.json

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+[
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quality/full_quality_audit/temporal_jump_review.json

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+[
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+]

quality/full_quality_audit/video_samples.jsonl

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+version https://git-lfs.github.com/spec/v1
+oid sha256:e45ffc02e7e23b0cd4abf230098a65351f593c450ad1ae4e47cec41eca54ed2f
+size 72344349

quality/full_quality_audit/video_summary.json

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+{
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+  "per_episode_path": "<dataset_root>/full_quality_audit/video_per_episode.jsonl"
+}

quality_comparison.json

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+{
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+    "skipped_missing_mano_keypoints": 1,
+    "skipped_short_clip": 1,
+    "trimmed_tail_frames": 99
+  },
+  "integrity": {
+    "index_episode_ids_equal_annotation_files": true,
+    "index_episode_id_count": 12783,
+    "annotation_file_count": 12783,
+    "report_episode_count": 12783,
+    "report_matches_index": true,
+    "all_published_length_misalignments_removed": true
+  }
+}

quality_comparison.md

@@ -0,0 +1,14 @@
+# GigaHands strict conversion quality comparison
+
+| metric | published HF | strict v1 |
+|---|---:|---:|
+| episodes | 13,247 | 12,783 |
+| known length-misaligned episodes retained | 453 | 0 |
+| known length-misaligned rate | 3.420% | 0.000% |
+
+Strict rejection reasons: `video_annotation_length_mismatch=381, missing_official_video_mapping=83`.
+Index/file integrity: `True`.
+All published length mismatches removed: `True`.
+
+This comparison measures deterministic metadata/length failures. It does not by itself
+measure image-content alignment for episodes whose paths and lengths are internally consistent.