Update README.md

README.md

@@ -134,4 +134,16 @@ The Blender files for rendering RGB and depth images of all viewpoints are inclu
 
 ## Rain streak database
 
-The Rain streak database from the paper [Rain Rendering for Evaluating and Improving Robustness to Bad Weather](https://github.com/astra-vision/rain-rendering).
+The Rain streak database from the paper [Rain Rendering for Evaluating and Improving Robustness to Bad Weather](https://github.com/astra-vision/rain-rendering).
+
+## Ctation
+
+When using these datasets, please cite our paper:
+```
+@article{zhou2025high,
+  title={High-resolution Rainy Image Synthesis: Learning from Rendering},
+  author={Zhou, Kaibin and Zhao, Shengjie and Deng, Hao and Zhang, Lin},
+  journal={arXiv preprint arXiv:2502.16421},
+  year={2025}
+}
+```