Weakly Supervised Point Cloud
Weakly supervised point cloud learning aims to perform tasks like segmentation and object detection using 3D point cloud data with minimal manual labeling, reducing the high cost and effort of creating fully annotated datasets. Current research focuses on developing methods that effectively propagate limited annotations to the entire point cloud, employing techniques like unsupervised clustering, contrastive learning, and consistency regularization within various neural network architectures, including transformers and hypergraph convolutional networks. These advancements are significant because they enable the application of powerful 3D analysis techniques to larger, more diverse datasets, ultimately improving the accuracy and efficiency of applications in robotics, autonomous driving, and 3D scene understanding.
Papers
Densify Your Labels: Unsupervised Clustering with Bipartite Matching for Weakly Supervised Point Cloud Segmentation
Shaobo Xia, Jun Yue, Kacper Kania, Leyuan Fang, Andrea Tagliasacchi, Kwang Moo Yi, Weiwei Sun
Adaptive Annotation Distribution for Weakly Supervised Point Cloud Semantic Segmentation
Zhiyi Pan, Nan Zhang, Wei Gao, Shan Liu, Ge Li