Kuwahara Filter - Houdini, Substance Designer

Houdini Kuwahara - Render Stylization

Houdini Kuwahara - Texture Stylization

Substance Kuwahara - PBR Texture Stylization

Substance Kuwahara - Unfiltered Material Preview

Substance Kuwahara - Unfiltered Material Preview

Substance Kuwahara - Filtered Material Preview

Substance Kuwahara - Filtered Material Preview

Houdini Kuwahara - Heightfield Multipass Simulation

Houdini Kuwahara - Heightfield Multipass

Substance Kuwahara - Render Stylization

Substance Kuwahara - Landscape Photos Stylization

Substance Kuwahara - AI Generated Picture Stylization

Substance Kuwahara - Pixel Processor Nodegraph

Substance Kuwahara - Pixel Processor Nodegraph

Substance Kuwahara - Substance Component Nodegraph

Substance Kuwahara - Substance Component Nodegraph

Substance Kuwahara - Filter Nodegraph

Substance Kuwahara - Filter Nodegraph

Houdini Kuwahara - COPs Network

Houdini Kuwahara - COPs Network

Houdini Kuwahara - TOPs Network

Houdini Kuwahara - TOPs Network

Kuwahara filter - Houdini, Substance Designer
I'm so gratefull to have learned the name of this incredible filter thanks to my friend Najim Filali Saksak, so I tried to implement it in Houdini and Substance Designer to use it in various cases of stylization. I'm still working on a 3D version of the algorithm to work on voxel but we're not there yet.
Najim's Artstation page: https://www.artstation.com/najimcg
Kuwahara filter explanation: https://en.wikipedia.org/wiki/Kuwahara_filter