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Riemersma dithering
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Riemersma dithering is an image dithering technique that provides a middle ground between ordered dithering and error diffusion. The result is a bit more coarse than error diffusion techniques (such as Floyd-Steinberg). When dithering a pixel, the number of neighboring pixels affected is limited. This makes Riemersma dithering suitable for use in delta-frame encoded animation, since the resultant compressing will benefit from the low variance in consecutive frames. |
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