Update README.md

README.md

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-license: bsd-3-clause
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+---
+license: bsd-3-clause
+---
+
+# SimpleProc Dataset
+
+This is the official WebDataset hosting for the SimpleProc dataset. Please find the download instructions in the official repository https://github.com/princeton-vl/SimpleProc.
+
+## Dataset Structure
+
+The dataset is hosted as flattened `.tar` shards (e.g., `shard-000000.tar`). Inside these shards, all files belonging to a specific frame share a unified prefix:
+
+* `scene_[scene_id]_[frame_id].png` : The rendered RGB image
+* `scene_[scene_id]_[frame_id].npy` : The corresponding depth map
+* `scene_[scene_id]_[frame_id]_cam.txt` : The camera parameters
+
+## Citation
+
+```bibtex
+@misc{simpleproc2026,
+    title={SimpleProc: Fully Procedural Synthetic Data from Simple Rules for Multi-View Stereo},
+    author={Zeyu Ma and Alexander Raistrick and Jia Deng},
+    year={2026},
+    eprint={2604.04925},
+    archivePrefix={arXiv},
+    primaryClass={cs.CV},
+    url={https://arxiv.org/abs/2604.04925}
+}