An adaptive variable-length coding/decoding method performs an optimal variable-length coding and decoding depending on an intra mode/inter mode condition, quantization step size and a current zigzag scanning position, such that a plurality of variable-length coding tables having different patterns of...http://www.google.de/patents/USRE40782?utm_source=gb-gplus-sharePatent USRE40782 - Adaptive variable-length coding and decoding methods for image data
