I am looking for something like Xiaolin Wu's line algorithm except with 3D input and 3D output. The output would not be projected onto a 2D surface; it would be a 3rd order tensor. Might someone be ...

One such function is the Voxel Pooling operation found in the BEVdepth network. (Available on Megvii’s public Github repo.) A trusty AI search engine describes Voxel Pooling as: “a technique where 3D ...