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Color Cell Compression

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Color Cell Compression is a lossy image compression algorithm. The encoding process breaks images up into small blocks of pixels (typically 4×4 blocks) and then partitions the pixels into two sets based on colour similiarity. It then codes representative colours for each of these sets, and a bitmap that specifies which pixels belong to which set.

The decoding process is simple; each pixel of an output block is generated by choosing one of the two representative colours for that block, based on that block's bitmap.

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