updated README

LICENSE

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+EgoForce Evaluation Data Composite Notice
+
+This repository contains original and derived material associated with the evaluation setup for:
+
+EgoForce: Forearm-Guided Camera-Space 3D Hand Pose from a Monocular Egocentric Camera
+
+The repository includes material derived from or accompanying the following upstream datasets:
+
+1. ARCTIC
+   Official project: https://arctic.is.tue.mpg.de/
+   Official license: https://arctic.is.tue.mpg.de/license.html
+
+2. H2O
+   Official project: https://taeinkwon.com/projects/h2o/
+   Official terms of use: https://h2odataset.ethz.ch/
+
+3. HOT3D
+   Official project: https://facebookresearch.github.io/hot3d/
+   Official license: https://www.projectaria.com/datasets/hot3d/license/
+
+No single open-source or content license applies to this repository as a whole.
+
+Important:
+
+- This repository does not relicense ARCTIC, H2O, HOT3D, or any material derived from them.
+- All rights in the underlying datasets remain with their original licensors and rights holders.
+- Use of the material in this repository remains subject to the official upstream licenses and terms linked above.
+- EgoForce-specific processing, including forearm parameter extraction, occlusion metadata, filtered-hand indices, and the custom HOT3D validation split, does not remove or supersede upstream restrictions.
+- Any local metadata entry in this repository that appears to describe a license is informational only and is not authoritative where it conflicts with the official upstream source.
+
+Summary of upstream restrictions from official sources:
+
+- ARCTIC is provided under a non-commercial scientific research license. Commercial use is prohibited without separate permission. The official license also restricts reproduction, sharing, distribution, transfer, and sublicensing to third parties without prior written permission from Max Planck.
+- H2O is provided for academic purposes only, may not be used for commercial purposes, and may not be transferred to any third party.
+- HOT3D uses different official licenses for different asset classes: sequence data and non-hand annotations are CC BY-SA; hand annotations are CC BY-NC-SA; 3D object models are CC BY-SA with an additional no-sale restriction.
+
+Redistribution warning:
+
+- If you distribute this repository or any subset of it, you are responsible for confirming that such distribution is permitted under the applicable upstream terms.
+- In particular, ARCTIC and H2O official terms impose restrictions that may make public redistribution of original source data impermissible without additional permission.
+
+Citation requirement:
+
+- Publications using the material should cite the original upstream datasets as required by their official documentation, and should also cite the EgoForce paper when using the processed evaluation setup.
+
+No warranty:
+
+The repository contents are provided on an AS IS basis, without any warranty or representation of correctness, completeness, fitness for a particular purpose, or non-infringement. Users are solely responsible for ensuring that their use, storage, processing, publication, and redistribution of the material complies with all applicable upstream terms and laws.

README.md

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----
-license: other
-license_name: license
-license_link: LICENSE
----
+---
+license: other
+license_name: multiple-licenses
+license_link: LICENSE
+viewer: false
+---
+
+# EgoForce Evaluation Data
+
+This repository contains the evaluation data used for **EgoForce: Forearm-Guided Camera-Space 3D Hand Pose from a Monocular Egocentric Camera**.
+
+It includes official evaluation datasets together with EgoForce-specific processed artifacts:
+
+- forearm parameters
+- hand visibility and occlusion metadata
+- filtered hand-present indices
+- EgoForce HOT3D validation split
+
+The datasets currently present in this repository are:
+
+- `ARCTIC`
+- `H2O`
+- `HOT3D`
+
+## Notice
+
+This repository does **not** grant a new standalone license over the included data.
+
+- The underlying datasets remain subject to their **official upstream licenses and terms of use**.
+- EgoForce processing does **not** remove, relax, or replace those upstream restrictions.
+
+See [LICENSE](LICENSE) for the composite provenance and redistribution notice.
+
+## Included Datasets
+
+| Dataset | Official paper / project | Official license source | Official license summary | EgoForce-specific processing in this repository |
+| --- | --- | --- | --- | --- |
+| `ARCTIC` | [ARCTIC: A Dataset for Dexterous Bimanual Hand-Object Manipulation](https://arctic.is.tue.mpg.de/) | [ARCTIC license](https://arctic.is.tue.mpg.de/license.html) | Non-commercial scientific research, non-commercial education, and non-commercial artistic use only. Commercial use is prohibited without separate permission. The ARCTIC license also states that the data and software may not be reproduced, shared, distributed, transferred, or sublicensed to third parties without prior written permission. | EgoForce uses ARCTIC as an evaluation dataset and adds processed forearm annotations, hand masks, hand-joint occlusion metadata, filtered hand-present indices, and evaluation indexing files. |
+| `H2O` | [H2O: Two Hands Manipulating Objects for First Person Interaction Recognition](https://taeinkwon.com/projects/h2o/) | [H2O terms of use](https://h2odataset.ethz.ch/) | Academic use only. No commercial use. No transfer to any third party. ETH Zurich and its licensors retain ownership; publications using the dataset must reference the dataset. | EgoForce uses H2O as an evaluation dataset and adds processed hand masks, and forearm annotations, filtered hand-present indices. |
+| `HOT3D` | [HOT3D: Hand and Object Tracking in 3D from Egocentric Multi-View Videos](https://facebookresearch.github.io/hot3d/) | [HOT3D license agreement](https://www.projectaria.com/datasets/hot3d/license/) | HOT3D uses **different official licenses for different asset types**: sequence data and non-hand annotations are `CC BY-SA`; hand annotations are `CC BY-NC-SA`; 3D object models are `CC BY-SA` with an additional no-sale restriction. Users are responsible for complying with the terms for each asset type they use. | EgoForce uses HOT3D as an evaluation dataset and adds hand bounding boxes, occlusion metadata, filtered hand-present indices, and a custom validation split used in the paper. |
+
+
+## Citation Requirements
+
+If you use this repository or the processed evaluation setup, cite the corresponding EgoForce paper **and** cite the original datasets you use.
+
+### ARCTIC
+
+Official citation from the ARCTIC project page / license page:
+
+```bibtex
+@inproceedings{fan2023arctic,
+  title = {{ARCTIC}: A Dataset for Dexterous Bimanual Hand-Object Manipulation},
+  author = {Fan, Zicong and Taheri, Omid and Tzionas, Dimitrios and Kocabas, Muhammed and Kaufmann, Manuel and Black, Michael J. and Hilliges, Otmar},
+  booktitle = {Proceedings IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
+  year = {2023}
+}
+```
+
+Sources:
+
+- https://arctic.is.tue.mpg.de/
+- https://arctic.is.tue.mpg.de/license.html
+
+### H2O
+
+Official citation from the H2O project page:
+
+```bibtex
+@InProceedings{Kwon_2021_ICCV,
+  author = {Kwon, Taein and Tekin, Bugra and St\"uhmer, Jan and Bogo, Federica and Pollefeys, Marc},
+  title = {H2O: Two Hands Manipulating Objects for First Person Interaction Recognition},
+  booktitle = {Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV)},
+  month = {October},
+  year = {2021},
+  pages = {10138-10148}
+}
+```
+
+Sources:
+
+- https://taeinkwon.com/projects/h2o/
+- https://h2odataset.ethz.ch/
+
+### HOT3D
+
+Official citation from the HOT3D homepage:
+
+```bibtex
+@article{banerjee2024hot3d,
+  title={{HOT3D}: Hand and Object Tracking in {3D} from Egocentric Multi-View Videos},
+  author={Banerjee, Prithviraj and Shkodrani, Sindi and Moulon, Pierre and Hampali, Shreyas and Han, Shangchen and Zhang, Fan and Zhang, Linguang and Fountain, Jade and Miller, Edward and Basol, Selen and Newcombe, Richard and Wang, Robert and Engel, Jakob Julian and Hodan, Tomas},
+  journal={CVPR},
+  year={2025}
+}
+```
+
+Sources:
+
+- https://facebookresearch.github.io/hot3d/
+- https://www.projectaria.com/datasets/hot3d/license/
+
+
+## Official Source Links
+
+- ARCTIC project: https://arctic.is.tue.mpg.de/
+- ARCTIC license: https://arctic.is.tue.mpg.de/license.html
+- H2O project: https://taeinkwon.com/projects/h2o/
+- H2O terms: https://h2odataset.ethz.ch/
+- HOT3D project: https://facebookresearch.github.io/hot3d/
+- HOT3D license: https://www.projectaria.com/datasets/hot3d/license/