riemersma

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Gittanley / stipple

Bit-exact GPU reimplementation of ImageMagick's Riemersma dither, for images and video. Sequential image output is byte-for-byte identical to ImageMagick; the CUDA and OpenCL engines agree on 54 comparison cells. CI builds a clean clone and runs 100 bit-exact comparisons per push. By an AI assistant (Space Bunny) with the owner.

imagemagick video gpu opencl cuda quantization dither error-diffusion bit-exact riemersma

Updated Oct 10, 2026
C++

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