Color space conversion is an important kernel in multimedia codecs such as JPEG and MPEG. When implemented using SIMD instructions, however, the performance improvement is often limited due to two reasons. First, corresponding color space com

MPEG, CCITT H.261 (P*64), JPEG Image and Image sequence compression/decompression C software engines. The Portable Video Research Group at Stanford have developed image/image sequence compression and decompression engines (codecs) for