100.0%
Quality Score
23 checks total — Verdict: PASS
✓L1file_exists:l1_sync.json
✓L1file_exists:imu_segments.json
✓L3file_exists:l3_actions.json
✓L4file_exists:l4_semantic.json
✓L2file_exists:l2_trajectory.json
✓L1frame_count_positive8871 pairs
✓L1timestamps_monotonic
✓L1lr_sync_qualityp99=63μs, mean=7.2μs, max=405μs
✓L1frame_interval_stabilitymean=33.333ms, std=0.018ms
✓L1imu_segments_present8870 segments, 295699 accel samples
✓L1→L2pose_coverage100.0% of 8871 frames have a valid camera pose
✓L1→L2trajectory_reasonabledist=22.4715m, bbox=[1.2369, 0.359, 0.6816], speed=0.0760m/s, 16 keyframes
✓L1→L3frame_count_match8871 frames
✓L1→L3frame_idx_alignment8871 indices aligned
✓L3contact_ratio_plausible99.4%
✓L3hand_count_rangemax=2 hands/frame (clean)
✓L3action_segments_valid1 segments, all ≥0.3s
✓L3postprocessing_appliedghost_removal=2.7%, smoothing=0%
✓L3→L4keyframe_indices_in_l3All 148 keyframes have L3 data
✓L4annotation_completeness148/148 (100%)
✓L4annotation_schema_validAll 148 annotations have required fields
✓L4objects_detected158 unique object categories
✓L4phase_diversity4 phases: ['grasping', 'idle', 'manipulating', 'reaching']
所有检查通过。L1-L4 层质量验证完成。