South China University of Technology; Baidu Inc.; South China University of Technology, Pazhou Lab
Lizhao Liu, Zhuangwei Zhuang, Shangxin Huang, Xunlong Xiao, Tianhang Xiang, Cen Chen, Jingdong Wang, Mingkui Tan
CPCM: Contextual Point Cloud Modeling for Weakly-supervised Point Cloud Semantic Segmentation