kuwahara is a cool trick but it does date from 1976, bilateral filters are a more controllable and better behaved way to filter while avoiding edges… here’s one i use a lot in comp and just translated from glsl to opencl
it works ok on bacon but i do feel like it could be improved 🤔 it’s the kind of thing that works better in log than linear and the threshold control might be better if it was a hard cutoff so colours past a certain distance are ignored, instead of this drastic pow() curve thing i’m doing
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