MOVING IMAGE ENCODING/DECODING METHOD AND DEVICE AND PROGRAM

摘要

A moving image encoding method performing quantization of conversion coefficients by using a quantization matrix of conversion coefficients corresponding to respective frequency positions, comprising a step for generating a quantization matrix by using a generating function and generating parameters used for generating a quantization matrix, a step for quantizing the conversion coefficients by using the quantization matrix thus generated, and a step for encoding the quantized conversion coefficients to generate an encoded signal.