@inproceedings{jiang2019hierarchical,
  title={Hierarchical Point-Edge Interaction Network for Point Cloud Semantic Segmentation},
  author={Jiang, Li and Zhao, Hengshuang and Liu, Shu and Shen, Xiaoyong and Fu, Chi-Wing and Jia, Jiaya},
  booktitle={ICCV},
  year={2019}
}