How can I get the index of downsample points?

NVIDIA / MinkowskiEngine

Minkowski Engine is an auto-diff neural network library for high-dimensional sparse tensors

https://nvidia.github.io/MinkowskiEngine

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Open Leon1207 opened 1 year ago

Leon1207 commented 1 year ago

After spconv with downsampling, how should I get the index of the points in the original pointcloud after downsampling? Thanks!