A method and apparatus for efficient image encoding in a predictive coding or other error image based image compression scheme, a pseudo-fixed length code is employed to convert certain calculated error values into codewords. The code is pseudo-fixed length since the length of codewords is fixed for...http://www.google.de/patents/US6285796?utm_source=gb-gplus-sharePatent US6285796 - Pseudo-fixed length image compression scheme
