Anisotropic implementation of the Kuwahara filter inside of Houdini's Copernicus, written in OpenCL.
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Reference -
Kyprianidis, J. E., Kang, H., & Döllner, J. (2009). Image and Video Abstraction by Anisotropic Kuwahara Filtering.
Parameters in action
Before / After - Example 01
Before / After - Example 02
Before / After - Example 03
Before / After - Example 04
Before / After - Example 05
Before / After - Example 06
Before / After - Example 07