IMAGE DATA PROCESSING METHOD, PROGRAM FOR IMAGE DATA PROCESSING METHOD, RECORDING MEDIUM WITH RECORDED PROGRAM FOR IMAGE DATA PROCESSING METHOD AND IMAGE DATA PROCESSING DEVICE

摘要

The present invention is applied to a coding device and a decoding device for moving image data in compliance with, for example, an MPEG-4AVC/ITU-T H. 264 system, in which address data is issued to specify an area that is a plurality of read units in a horizontal direction and a vertical direction, respectively, and reference image data is stored in a cache memory.;Explanation of Reference Numerals1... Coding device, 2... Subtraction section, 3... Selection section, 4... Discrete cosine transform section, 5... Quantization section, 6... Entropy coding section, 7... Inverse quantization section, 8... Inverse discrete cosine transform section, 9... Addition section, 10... Deblocking filter, 11, 28B... Reference image memory, 12, 34... Motion compensation section, 13... Vector detection section, 14... Weighting prediction section, 15... In-screen prediction section, 17... Coding control section, 21... Decoding device, 22... Recording medium, 23... Monitor device, 24... Data read section, 25... Reproduction control section, 25A... Cache control section, 26... Decoding section, 27, 47... Cache memory, 28... Frame buffer, 28A... Decoded image memory, 29... GUI controller, 31... Decoding unit core, 33... Vector detection section, 51, 52... Logic operation section, 53, 55... AND section, 54... Inverter, 56... OR section