Approximately Piecewise E(3) Equivariant Point Networks

Explore a comprehensive lecture on Approximately Piecewise E(3) Equivariant Point Networks presented by Matan Atzmon from Valence Labs. Delve into the integration of symmetry in point cloud neural networks, focusing on E(3) equivariant networks and their extension to multi-part inputs with local E(3) symmetry. Discover the APEN framework, a novel approach to constructing approximate piecewise-E(3) equivariant point networks, and learn how it addresses challenges in partition prediction and equivariance maintenance. Examine the framework's effectiveness through real-world applications in room scene analysis and human motion characterization. Gain insights into the network design, equivariance approximation error bounding, and experimental results demonstrating improved generalization in classification and segmentation tasks.

- Intro + Background
- Bounding the Equivariance Approximation Error
- Suggested Network Design
- Piecewise E3 Equivariant Layer
- Experiments
- Q+A