Open4DHOI / README.md
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Add released SMPL-X hand pose parameters
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# Open-Source Release Manifest
Generated from `upload_records.json` for records with `annotation_progress == 4`.
## Required release items
- `video.mp4`: source video to publish.
- `obj_init.obj`: object mesh to publish.
- `mask_dir/`: object masks.
- `human_mask_dir/`: human masks.
- `motion/result.pt`: reconstructed human motion.
- `motion/hand_pose.npz`: SMPL-X hand pose parameters.
- `kp_record_new.json`: point annotations.
## Generated files
- `release_manifest.json`: full per-record manifest with release item availability.
- `release_manifest.csv`: flat per-record table for spreadsheet review.
- `missing_required_items.csv`: one row per missing required item.
- `source_urls_progress4.csv`: non-empty `video_url` entries among released records.
- `source_urls_all.csv`: non-empty `video_url` entries across all upload records.
- `release_filelist_existing.txt`: required release paths that currently exist.
## Summary
- Total progress-4 records: 451
- Records with any missing required item: 0
- Progress-4 records with `video_url`: 38
- All upload records with `video_url`: 136
## Required item availability
- `video`: 451 available, 0 missing
- `object_mesh`: 451 available, 0 missing
- `object_masks`: 451 available, 0 missing
- `human_masks`: 451 available, 0 missing
- `human_motion`: 451 available, 0 missing
- `hand_pose`: 451 available, 0 missing
- `point_annotations`: 451 available, 0 missing
## Hand Pose Parameters
Each released session includes `motion/hand_pose.npz`, which contains SMPL-X-compatible hand poses only:
- `left_hand_pose`: float32 array with shape `[T, 45]`.
- `right_hand_pose`: float32 array with shape `[T, 45]`.
- `frame_ids`: int32 array with shape `[T]`.
The 45 values per hand are 15 axis-angle joint rotations. This file does not include full optimized human/object parameters.