{ "schema_version": "1.0.0", "asset_id": "fbeaf25b4865abad", "dataset_type": "human_egocentric_observation", "channels": { "frame_mapping": { "rows": 900, "source": "measured", "estimator": "source_display_frame_to_derivative_pts:v1", "columns": { "rgb_frame_index": "Int64", "source_frame_index": "Int64", "t_s": "Float64", "video_pts_s": "Float64", "source_pts_s": "Float64", "source_timestamp_s": "Float64", "rgb_decodable": "Boolean" }, "null_counts": { "rgb_frame_index": 0, "source_frame_index": 0, "t_s": 0, "video_pts_s": 0, "source_pts_s": 0, "source_timestamp_s": 0, "rgb_decodable": 0 }, "unique_timestamps": 900 }, "quality": { "rows": 30, "source": "measured", "estimator": null, "columns": { "t_s": "Float64", "sharpness": "Float64", "exposure": "Float64" }, "null_counts": { "t_s": 0, "sharpness": 0, "exposure": 0 }, "unique_timestamps": 30 }, "hand_pose_raw": { "rows": 12411, "source": "estimated", "estimator": "rtmpose:rtmw-x+hand5-cascade+ego_duplicate_suppression:v1", "columns": { "t_s": "Float64", "hand": "Int64", "handedness": "String", "hand_score": "Float64", "kp_index": "Int64", "kp_name": "String", "x": "Float64", "y": "Float64", "z": "Float64", "wx": "Float64", "wy": "Float64", "wz": "Float64", "kp_score": "Float64" }, "null_counts": { "t_s": 0, "hand": 0, "handedness": 0, "hand_score": 0, "kp_index": 0, "kp_name": 0, "x": 0, "y": 0, "z": 12411, "wx": 12411, "wy": 12411, "wz": 12411, "kp_score": 0 }, "unique_timestamps": 300, "handedness_rows": [ { "handedness": "unknown", "len": 9387 }, { "handedness": "right", "len": 735 }, { "handedness": "left", "len": 2289 } ] }, "hand_pose": { "rows": 12831, "source": "estimated", "estimator": "rtmpose:rtmw-x+hand5-cascade+ego_duplicate_suppression:v1+hands_temporal:greedy+oneeuro:v1", "columns": { "t_s": "Float64", "hand": "Int64", "handedness": "String", "hand_score": "Float64", "kp_index": "Int64", "kp_name": "String", "x": "Float64", "y": "Float64", "z": "Float64", "wx": "Float64", "wy": "Float64", "wz": "Float64", "kp_score": "Float64", "provenance": "String", "det_index": "Int64" }, "null_counts": { "t_s": 0, "hand": 0, "handedness": 0, "hand_score": 0, "kp_index": 0, "kp_name": 0, "x": 0, "y": 0, "z": 12831, "wx": 12831, "wy": 12831, "wz": 12831, "kp_score": 0, "provenance": 0, "det_index": 441 }, "unique_timestamps": 300, "provenance_rows": [ { "provenance": "detected", "len": 84 }, { "provenance": "interpolated", "len": 441 }, { "provenance": "smoothed", "len": 12306 } ], "handedness_rows": [ { "handedness": "right", "len": 84 }, { "handedness": "unknown", "len": 12747 } ] }, "tracks_raw": { "rows": 286, "source": "estimated", "estimator": "owlv2:base-patch16-ensemble+openvocab+bytetrack", "columns": { "t_s": "Float64", "track_id": "Int64", "label": "String", "confidence": "Float64", "x1": "Float64", "y1": "Float64", "x2": "Float64", "y2": "Float64" }, "null_counts": { "t_s": 0, "track_id": 0, "label": 0, "confidence": 0, "x1": 0, "y1": 0, "x2": 0, "y2": 0 }, "unique_timestamps": 144 }, "tracks": { "rows": 290, "source": "estimated", "estimator": "owlv2:base-patch16-ensemble+openvocab+bytetrack+track_temporal:bridge+oneeuro:v1", "columns": { "t_s": "Float64", "track_id": "Int64", "label": "String", "confidence": "Float64", "x1": "Float64", "y1": "Float64", "x2": "Float64", "y2": "Float64", "provenance": "String" }, "null_counts": { "t_s": 0, "track_id": 0, "label": 0, "confidence": 4, "x1": 0, "y1": 0, "x2": 0, "y2": 0, "provenance": 0 }, "unique_timestamps": 144, "provenance_rows": [ { "provenance": "interpolated", "len": 4 }, { "provenance": "detected", "len": 9 }, { "provenance": "smoothed", "len": 277 } ] } }, "annotation_accuracy": "not_independently_evaluated", "public_release_ready": true, "release_checks": { "license": "cc-by-4.0", "ownership": "owner_attested", "privacy_review": "automated_full_frame_scan_and_assistant_storyboard_review", "annotation_review": "assistant_visual_review_with_disclosed_estimation_limits" }, "sensor_completeness": { "frame_mapping": 900, "arkit_poses": 0, "camera_intrinsics": 0, "measured_depth_index": 0, "device_imu": 0, "rgb_frames": 900, "displayed_rgb_frames": 900, "frame_tables_match_rgb": true }, "warnings": [ "RGB-only observation; metric depth, camera calibration/pose, IMU, audio and robot commands are absent.", "Optional 2D annotations are estimates; accuracy is not independently evaluated.", "HDR source preserved locally; release pixels are a documented SDR excerpt." ], "hand_candidate_selection": { "candidates": 1182, "kept": 591, "duplicate_groups": 449, "label_conflicts": 449, "max_hands": 2 }, "modalities": { "rgb": true, "audio": false, "depth": false, "camera_intrinsics": false, "camera_pose": false, "imu": false, "robot_actions": false }, "privacy_scan": { "estimator": "opencv:yunet-2023mar+track-bridge", "decoded_frames_scanned": 900, "detections": 0, "source": "full displayed-frame scan, not a guarantee of absence" } }