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Image processing device, image display device, image forming apparatus, image processing method, computer program and storage medium
Image processing device, image display device, image forming apparatus, image processing method, computer program and storage medium
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机译:图像处理装置,图像显示装置,图像形成装置,图像处理方法,计算机程序和存储介质
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摘要
With the use of a vector quantization technique, an index image, which is obtained by replacing an image on a block-by-block basis, each block consisting of a predetermined number of pixels, with any of a plurality of different pixel patterns and representing the pixel patterns by index values of the respective pixel patterns, is decoded by referring to a code book containing the pixel patterns and the index values of the pixel patterns in association with each other. When decoding an index image on the block-by-block basis into pixel patterns corresponding to the index values, the pixel pattern of each block is scaled, and additionally pixels near a contour in the pixel pattern after scaling are redrawn based on contour vector information corresponding to the pixel pattern.
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