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- W2057587834 abstract "A color image produced from a continuously toned color image by using a smaller number of colors (e.g., 256) is called a “color quantized image.” Previously, the author and colleagues proposed a high-speed color quantization method which produces an image of almost the same quality as the original. However, if colors in an image change gradually (such as an image produced by computer graphics), false contouring occurs and deteriorates the image quality. To solve the problem, this paper proposes four new methods, three of which are shown by experiments to have excellent dithering effects which overcome the weakness of the conventional error-diffusion method and are practical." @default.
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- W2057587834 date "1990-01-01" @default.
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- W2057587834 title "Improved dithering methods for color quantized images" @default.
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- W2057587834 doi "https://doi.org/10.1002/scj.4690211007" @default.
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