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DEVICE AND METHOD FOR ITERATIVE CONVERSION ENCODING OF IMAGES, DEVICE AND METHOD FOR ITERATIVE CONVERSION DECODING OF IMAGES, AND PROVIDING MEDIUM
DEVICE AND METHOD FOR ITERATIVE CONVERSION ENCODING OF IMAGES, DEVICE AND METHOD FOR ITERATIVE CONVERSION DECODING OF IMAGES, AND PROVIDING MEDIUM
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机译:图像的迭代转换编码的装置和方法,图像的迭代转换编码的装置和方法
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摘要
An inputted original image 100 is divided to a second block image by a second block generating section 2, and a second feature quantity is extracted by a second feature quantity extracting section 6. The second block image and the second feature quantity are stored in an image memory section 3. A control section 15 reads out, from the image memory section 3, only a block image having the same feature quantity as the feature quantity of a first block image from a first feature quantity extracting section 5, and transform processing is carried out by an image transforming and generating section 7 so as to send a block image 107 after transform to an approximate block search section 4. The approximate block search section 4 takes matching between the first block image 101 and the block image 107 after transform, and searches for a block image which realizes the minimum error between these block images. The approximate block search section 4 then selects and sends the block image to a coding and multiplexing section 9. Thus, in iterated image transform coding and decoding, a high coding efficiency can be maintained to provide an image of higher quality while approximate block search is carried out at a high speed. IMAGE
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