The present invention provides a scheme for compressing the color components of image data. The pixel data is grouped into a plurality of tiles for storage. A test is performed to determine if a tile can be compressed so that its size after compression is less than its size before compression. If so,...http://www.google.com/patents/US7039241?utm_source=gb-gplus-sharePatent US7039241 - Method and apparatus for compression and decompression of color data
