4 ms·
Actually, the Renderman denoiser is based on work from Disney Research. https://renderman.pixar.com/view/denoiser https://renderman.pixar.com/view/denoiser PC
by jcl 10y ago
Actually, the Renderman denoiser is based on work from Disney Research.
https://renderman.pixar.com/view/denoiser https://renderman.pixar.com/view/denoiser
PCA would be one way to do that. This recent paper suggests that they may be decomposing the samples mostly by path type, though:
https://www.disneyresearch.com/publication/pathspace-decomposition/ https://www.disneyresearch.com/publication/pathspace-decompo...
- boulos 10y agoHe's referring to the older 2008 paper that did PCA, Statistical Acceleration for Animated Global Illumination: http://graphics.pixar.com/library/ShotRendering/paper.pdf http://graphics.pixar.com/library/ShotRendering/paper.pdf