We adapted the CUDA kernels from Plenoxels: Radiance Fields without Neural Networks. Try installing pre-compiled CUDA extension:

pip install ../dist/svox2-voxgraf-0.0.1.dev0+sphtexcub.lincolor.fast-cp39-cp39-linux_x86_64.whl

Or install from this directory by running

pip install .

For more details please refer to the Plenoxels github repository.

Modifications contain:

• rendering alpha
• rendering depth
• rendering variance of depth