PointMoment:Mixed-Moment-based Self-Supervised Representation Learning for 3D Point Clouds

no code implementations • 6 Dec 2023 • Xin Cao, Xinxin Han, Yifan Wang, Mengna Yang, Kang Li

Large and rich data is a prerequisite for effective training of deep neural networks.

3D Point Cloud Classification Contrastive Learning +2

PointJEM: Self-supervised Point Cloud Understanding for Reducing Feature Redundancy via Joint Entropy Maximization

no code implementations • 6 Dec 2023 • Xin Cao, Huan Xia, Xinxin Han, Yifan Wang, Kang Li, Linzhi Su

To reduce redundant information in the features, PointJEM maximizes the joint entropy between the different parts, thereby rendering the learned feature variables pairwise independent.

Representation Learning