ADAPTIVE CODING OF PREDICTION ERROR IN HYBRID VIDEO CODING

摘要

PROBLEM TO BE SOLVED: To provide a more efficient decoder compared to conventional technology.SOLUTION: A decoder comprises: an entropy decoding block 202 for decoding movement compensation information; and an entropy decoding block 201 for generating a signal for switching between different signal paths A and B. The path A comprises an inverse quantization block 203 and an inverse conversion block 204 which decode in a frequency region. The path B comprises an inverse quantization block 206 for inverse quantization in a spatial region. Encoding is performed on the basis of CABAC or CAVLC.