IMAGE-ENCODING METHOD USING STRUCTURAL TREE, IMAGE ENCODING APPARATUS, IMAGE-DECODING METHOD, IMAGE DECODING APPARATUS, AUTOMATIC GENERATION METHOD OF IMAGE ENCODING STRUCTURE, AUTOMATIC GENERATOR OF IMAGE-ENCODING STRUCTURE, AND PROGRAM FOR THE SAME

摘要

PROBLEM TO BE SOLVED: To construct a mechanism for attaining an image encoding system with variable encoding structure suitable for optimization, and to provide an image decoding system.

SOLUTION: A node storage part 17 stores a plurality of nodes with execution functions of various element technologies in image encoding. A node executing section 16 encodes an image to be encoded, by referring to and executing the nodes stored in the node-storing section 17 according to structural tree of the optimized encoding structure, showing combination of the nodes for encoding the image to be encoded by a tree structure. In addition, the structural tree of the encoding structure used for the image encoding is also encoded and added to a bit stream which is to be decoded by a decoding apparatus.

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