Remove Gaussians that don't meaningfully contribute to any solid voxel.
GPU-voxelizes the scene at a given resolution, then evaluates each Gaussian's
opacity contribution at occupied voxel centers. Discards Gaussians whose
contribution is below a minimum threshold at every solid voxel.
Remove Gaussians that don't meaningfully contribute to any solid voxel.
GPU-voxelizes the scene at a given resolution, then evaluates each Gaussian's opacity contribution at occupied voxel centers. Discards Gaussians whose contribution is below a minimum threshold at every solid voxel.