Update README.md

Author: yanx27

README.md

@@ -1,7 +1,7 @@
 # JS3C-Net
 ### Sparse Single Sweep LiDAR Point Cloud Segmentation via Learning Contextual Shape Priors from Scene Completion (AAAI2021)
 
-This repository is for **JS3C-Net** introduced in the following **AAAI-2021** paper [[arxiv paper]](link)
+This repository is for **JS3C-Net** introduced in the following **AAAI-2021** paper [[arxiv paper]](https://arxiv.org/abs/2012.03762)
 
 Xu Yan, Jiantao Gao, Jie Li, Ruimao Zhang, [Zhen Li*](https://mypage.cuhk.edu.cn/academics/lizhen/), Rui Huang and Shuguang Cui, "Sparse Single Sweep LiDAR Point Cloud Segmentation via Learning Contextual Shape Priors from Scene Completion".
 
@@ -25,4 +25,4 @@ If you find our work useful in your research, please consider citing:
 Quantitative results on SemanticKITTI benchmark at the submisison time.
 ![](figure/benchmark.png)
 
-## Comming Soon...
+## Comming Soon...