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Color conversion table creating program, interpolation calculation program, color conversion table creation method, interpolation calculation method, color conversion apparatus and a printing device
Color conversion table creating program, interpolation calculation program, color conversion table creation method, interpolation calculation method, color conversion apparatus and a printing device
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机译:颜色转换表创建程序,插值计算程序,颜色转换表创建方法,插值计算方法,颜色转换装置和打印装置
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摘要
Color matching was impossible in a one-dimensional LUT, and color conversion accuracy sufficient to reproduce a change in fine hue in a monochromatic image could not be ensured in a three-dimensional LUT. In addition, the storage capacity of a color conversion table could not be suppressed without compromise in accuracy. A color conversion table having a plurality of elements of reference color image data in which the color data of a first image apparatus is allowed to correspond to the color data of a second image apparatus, and consisting of a specified total amount of information, wherein the above reference color image data is distributed in a specified region in a specified color space to thereby increase the color data information of each element of reference color image data over a specified amount within the limit of the above specified total amount information. In addition, a color conversion table is prepared by using a source table that accurately specifies colors for part of a color conversion table. Color conversion is performed with reference to these color conversion tables, whereby it is possible to restrict a storage capacity and perform color matching and a high-accuracy color conversion.
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