IMAGE DECODER, IMAGE ENCODER, IMAGE COMMUNICATION SYSTEM, AND ENCODED BIT STREAM CONVERTER

摘要

An image decoder which can decode an encoded bit stream which is encoded by a different encoding system has an encoding system judging unit which judges the encoding system of the encoded bit stream in accordance with multiplexed encoding system identification information, a setting means which sets the header information of a 2nd encoding system in accordance with the header information of a 1st encoding system and a decoding means which decodes the encoded image data of the 1st encoding system in accordance with the header information of the set 2nd encoding system.