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While color gap judgment method, test pattern for color gap judgment, color disassembling the image processing device and the medium null color image which records the test pattern
While color gap judgment method, test pattern for color gap judgment, color disassembling the image processing device and the medium null color image which records the test pattern
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机译：色差判断方法，色差判断用的测试图案，图像处理装置的颜色分解和记录该测试图案的中空彩色图像
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摘要
PROBLEM TO BE SOLVED: To determine color shift without requiring any special measurement by selecting a gray patch not based on the measurements of shift of elementary colors but based on the effect of the elementary colors on the gray patch when a component data is shifted. ;SOLUTION: A computer 21 constituting an image processor comprising a hard disc 22 storing a color shift regulation program for modifying the lookup table of a printer driver by deciding color shift and the program can be executed as required. When a gray patch is selected from a custom A pattern by a user and inputted, the computer 21 decides a colorless ID based on the symbol of the inputted gray patch and determines a candidate of lookup table to be corrected from the ID. In the next step, total 27 gray scale patterns are printed using the candidate of lookup table to be corrected.;COPYRIGHT: (C)1998,JPO
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