Update README.md

README.md

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-license: apache-2.0
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+---
+license: apache-2.0
+---
+# Dynamic Multipart Dataset
+
+This dataset is proposed by [TRACE](https://github.com/vLAR-group/TRACE).
+
+## Structure
+The structure of the dataset is as:
+```
+DynObjects
+| - data
+| | - hyperbolic
+| | | - train: serves as training data
+| | | - val: used for evaluating novel view interpolation
+| | | - test: used for evaluating future extrapolation
+| | | - transforms_train.json: camera poses and other meta informations for training set
+| | | - transforms_val.json: camera poses and other meta informations for novel view interpolation task
+| | | - transforms_test.json: camera poses and other meta informations for future extrapolation task
+| | | - points3d.ply: randomly initialized points for 3D Gaussians
+| | - foldingchair
+| | - stove
+| | - satellite
+```
+
+## Citation
+If you find this dataset helpful, please consider citing:
+```bibtex
+@article{li2025trace,
+  title={TRACE: Learning 3D Gaussian Physical Dynamics from Multi-view Videos}, 
+  author={Jinxi Li and Ziyang Song and Bo Yang},
+  year={2025},
+  journal={ICCV}
+}
+```