Update README.md

README.md

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+
+# STANCE Scenes (Composite & Synthetic)
+
+**Snapshot:** 95k scenes total — **75,000 composite** + **20,000 synthetic/simple**.  
+Built with **Kubric** for short clips of rigid-body interactions.
+
+- **Synthetic/simple:** minimal scenes with one or more rigid objects; randomized shape (ball / a few primitives), mass, initial linear velocity, and pose. Lighting uses three area lights plus a sun with randomized intensity/temperature.
+- **Composite:** replaces primitives with **GSO** assets; backgrounds sampled from ~5,000 environment maps; randomized object selection/placement/pose to induce diverse contacts and occlusions.  
+Camera intrinsics/extrinsics and renderer settings are consistent within each scene; material, friction, restitution, and object counts are sampled within bounded ranges.
+
+## Files in this release
+- `composite_scene.tar.part-00`
+- `composite_scene.tar.part-01`
+- `composite_scene.tar.part-02`
+- `composite_scene.tar.part-03`
+- `synthetic_scene.tar`
+
+> `composite_scene.tar` is split into 4 parts; `synthetic_scene.tar` is a single archive.
+
+## Reassemble & Extract
+Linux / macOS:
+```bash
+cat composite_scene.tar.part-0{0..3} > composite_scene.tar
+tar -xf composite_scene.tar
+tar -xf synthetic_scene.tar
+````
+
+(Optional) verify:
+
+```bash
+sha256sum composite_scene.tar synthetic_scene.tar
+```
+
+## Project & Code
+
+For detailed information about our work, please visit our **project page**:
+[https://envision-research.github.io/STANCE/](https://envision-research.github.io/STANCE/)
+
+If you find this work useful, please consider **citing our paper** and leaving a **⭐ on GitHub**:
+[https://github.com/EnVision-Research/STANCE](https://github.com/EnVision-Research/STANCE)
+
+## Citation
+
+```bibtex
+@article{chen2025stance,
+  title   = {STANCE: Motion Coherent Video Generation Via Sparse-to-Dense Anchored Encoding},
+  author  = {Zhifei Chen and Tianshuo Xu and Leyi Wu and Luozhou Wang and Dongyu Yan and Zihan You and Wenting Luo and Guo Zhang and Yingcong Chen},
+  journal = {arXiv preprint arXiv:2510.14588},
+  year    = {2025}
+}
+```
+
+## License
+
+CC BY 4.0 (you may switch to CC BY-NC 4.0 if preferred).
+
+```
+::contentReference[oaicite:0]{index=0}
+```
+