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license: cc-by-nc-4.0
task_categories:
- object-detection
- image-to-3d
- text-to-3d
language:
- en
tags:
- 3d-scene-graph
- indoor-scene-understanding
- functional-scene-graph
- open-vocabulary
- robotics
pretty_name: HHOpenFunGraph
size_categories:
- 1K<n<10K
---
# HHOpenFunGraph
HHOpenFunGraph is an extended annotation release for OpenFunGraph. It adds dense tabletop objects and explicit hierarchical functional relationships for the FunGraph3D and modified SceneFun3D assets used by OpenFunGraph.
This repository is annotation-only. Please download the original geometry, RGB, depth, trajectory, and video assets from:
- https://huggingface.co/datasets/OpenFunGraph/FunGraph3D
- https://huggingface.co/datasets/OpenFunGraph/SceneFun3D_Graph
## Main Files
- `annotations.json`: canonical extended node annotations for both datasets.
- `relations.json`: canonical extended functional relationship annotations for both datasets.
- `metadata.json`: release statistics and scene grouping.
- `splits/`: copied OpenFunGraph evaluation split files.
- `compat/`: files split and renamed to match the original OpenFunGraph dataset layout.
- `scripts/verify_release.py`: lightweight consistency checker.
## Compatibility Files
For users of the original OpenFunGraph codebase:
- `compat/FunGraph3D/FunGraph3D.annotations.json`
- `compat/FunGraph3D/FunGraph3D.relations.json`
- `compat/FunGraph3D/all_labels.json`
- `compat/FunGraph3D/all_edges.json`
- `compat/SceneFun3D_Graph/SceneFun3D.annotations.json`
- `compat/SceneFun3D_Graph/SceneFun3D.relations.json`
- `compat/SceneFun3D_Graph/all_labels.json`
- `compat/SceneFun3D_Graph/all_edges.json`
The compatibility files are derived from the canonical `annotations.json` and `relations.json`; they are provided for convenience rather than as a separate source of truth.
## Statistics
| Split | Scenes | Nodes | Edges | Labels | Edge Descriptions |
| --- | ---: | ---: | ---: | ---: | ---: |
| All | 34 | 1212 | 1030 | 141 | 60 |
| FunGraph3D | 14 | 750 | 592 | 117 | 47 |
| SceneFun3D_Graph | 20 | 462 | 438 | 68 | 33 |
## Embeddings
This release intentionally does not include CLIP/BERT embedding arrays unless they are regenerated from the extended `all_labels.json` and `all_edges.json` files. Do not reuse embedding arrays from the original OpenFunGraph release, because the label and edge vocabularies changed.
## Verify
```bash
python scripts/verify_release.py
```
## Citation
If you use this data, please cite OpenFunGraph and the HHOpenFunGraph paper/release when available.
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