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Datasets:
xg-123
/
HHOpenFunGraph

Tasks:
Object Detection
Image-to-3D
Text-to-3D
Modalities:
Text
Languages:
English
Size:
1K<n<10K
Tags:
3d-scene-graph
indoor-scene-understanding
functional-scene-graph
open-vocabulary
robotics
License:
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HHOpenFunGraph / README.md
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metadata 
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:

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 

python scripts/verify_release.py

Citation

If you use this data, please cite OpenFunGraph and the HHOpenFunGraph paper/release when available.