Patent ID: 6075567
Filing Date: 2000-06-13
Classification: H04N

Abstract:
An image code transform system for arranging and composing a plurality of small screens of moving images to a large screen image, compressing and encoding the large screen image to generate a large screen compressed/coded data sequence, and extracting small screen compressed/coded data sequences of the plurality of small screens of moving images from the large screen compressed/coded data sequence, comprising:a multiplexer for re-arranging frames of the plurality of small screen moving images at an identical time to generate a composite frame and generating a large screen moving image signal of the composite frame;a compressor/encoder for compressing and encoding said large screen moving image signal on a block basis to generate a large screen compressed/coded data sequence signal and for outputting said large screen compressed/coded data sequence signal, said block being obtained by dividing the large screen moving image signal; anda separator/convertor for separating and converting a plurality of small screen compressed signals corresponding to said plurality of small screens directly from the large screen compressed/coded data sequence, wherein said compressor/encoder uses a motion-compensation interframe encoding method to compress and encode said block, andwherein, in the case that said small screen corresponding to a block under compression and encoding is different from said small screen corresponding to another block which is referenced according to a motion vector, said compressor/encoder narrows a search range of the motion vector.