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Color correction parameter computation method, color correction parameter computation device, and image output system
Color correction parameter computation method, color correction parameter computation device, and image output system
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机译：色彩校正参数计算方法，色彩校正参数计算装置和图像输出系统
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摘要
A color correction parameter computation method includes: obtaining first color-signal values respectively corresponding to colors of color patches and obtained by photographing a color chart having the patches thereon, and reference color-signal values respectively defining the colors of the patches; computing, for each color of the patches, a color difference component between the first and the reference color-signal values; selecting at least one color of the patches by comparing the magnitude of the difference components; computing a color correction parameter using the first and the reference color-signal values corresponding to the selected color; computing an accuracy measure using the difference component between a second corrected color-signal value obtained by correcting a first color-signal value corresponding to a color other than the selected color and the reference color-signal value defining the color other than the selected color; and determining correction accuracy by comparing the accuracy measure to an accuracy criterion.
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