Link arXiv preprint and GitHub repo; update contact email

README.md

@@ -58,6 +58,8 @@ size_categories:
 # DT_SegNet Dataset
 
 [![paper doi](https://img.shields.io/badge/paper%20doi-10.1039%2FD3CP00402C-blue)](https://doi.org/10.1039/D3CP00402C)
+[![arXiv](https://img.shields.io/badge/arXiv-2606.22112-b31b1b.svg)](https://arxiv.org/abs/2606.22112)
+[![GitHub](https://img.shields.io/badge/GitHub-xiazeyu%2FDT__SegNet-black?logo=github)](https://github.com/xiazeyu/DT_SegNet)
 ![open access](https://img.shields.io/badge/open%20access-free-green)
 [![paper license](http://mirrors.creativecommons.org/presskit/buttons/80x15/svg/by-nc.svg)](http://creativecommons.org/licenses/by-nc/3.0/)
 
@@ -102,7 +104,7 @@ The category label is `0` for precipitate.
 
 ## Contact
 
-Zeyu Xia - [zeyu.xia@connect.qut.edu.au](mailto:zeyu.xia@connect.qut.edu.au)
+Zeyu Xia - [zeyu.xia@virginia.edu](mailto:zeyu.xia@virginia.edu)
 
 Kan Ma - [arnaud.masysu@gmail.com](mailto:arnaud.masysu@gmail.com)