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- Q5148551 subject Q7445688.
- Q5148551 abstract "Color Cell Compression is an early lossy image compression algorithm first described by Campbell et al. in 1986. It is a variant of Block Truncation Coding. The encoding process works on small blocks of pixels. For each block, it first partitions the pixels in that block into two sets based on their luminance values, then generates representative colour values for each of these sets, and a bitmap that specifies which pixels belong to which set. The two colour values and the bitmap for each block are then output directly without any further quantization or entropy coding.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.In spite of its very simple mechanism, the algorithm yields surprisingly good results on photographic images, and it has the advantage of being very fast to decode with limited hardware. Although far surpassed in compression ratio by later block-transform coding methods such as JPEG, it had the advantage of very simple decompression and fast random access into the compressed image, and it can be regarded as a forerunner of modern texture compression algorithms.".
- Q5148551 wikiPageWikiLink Q1194708.
- Q5148551 wikiPageWikiLink Q1345239.
- Q5148551 wikiPageWikiLink Q1661673.
- Q5148551 wikiPageWikiLink Q198099.
- Q5148551 wikiPageWikiLink Q2195.
- Q5148551 wikiPageWikiLink Q355198.
- Q5148551 wikiPageWikiLink Q355386.
- Q5148551 wikiPageWikiLink Q39333.
- Q5148551 wikiPageWikiLink Q412438.
- Q5148551 wikiPageWikiLink Q4680713.
- Q5148551 wikiPageWikiLink Q4927178.
- Q5148551 wikiPageWikiLink Q55564.
- Q5148551 wikiPageWikiLink Q7445688.
- Q5148551 wikiPageWikiLink Q820933.
- Q5148551 comment "Color Cell Compression is an early lossy image compression algorithm first described by Campbell et al. in 1986. It is a variant of Block Truncation Coding. The encoding process works on small blocks of pixels. For each block, it first partitions the pixels in that block into two sets based on their luminance values, then generates representative colour values for each of these sets, and a bitmap that specifies which pixels belong to which set.".
- Q5148551 label "Color Cell Compression".