PCAN is an attention module for point cloud based retrieval, which can predict the significance of each local point feature based on point context. This work is based on PointNetVLAD and Pointnet++.

Luo Qingming's brain space information research team maps 3D structure of mouse brain regions in Stereotactic Atlas. [Photo provided to chinadaily.com.cn] Scientists have created the most detailed 3D ...