Sublime

(1/2) How to store 3D scenes/grids efficiently? Just hash occupied voxels, 𝐻(𝑥,𝑦,𝑧)=(𝑥⋅𝑝_1⨁ 𝑦⋅𝑝_2⨁ 𝑧⋅𝑝_3) mod 𝑛, and store them in a linear array! The voxel hashing method proposed this for 3D recon in 2013, but it's used in many apps such as sparse conv nets!... See more