zhulf0804 / PointPillars

A Simple PointPillars PyTorch Implementation for 3D LiDAR(KITTI) Detection.
MIT License
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Question about PillarLayer #35

Open wojtat opened 1 year ago

wojtat commented 1 year ago

Hi, I have a question about the PillarLayer module. I was under the impression that the PointPillars algorithm is supposed to first group the input points into pillars, that is a 2D grid. But it looks like the PillarLayer and Voxelization code groups the points into a 3D grid. Could you explain more how this works, or if the voxels are later somewhere converted into pillars?

Thanks in advance!