| 摘要 |
PROBLEM TO BE SOLVED: To solve problems in which it is difficult to grasp an influence range and adjustment effect of color adjustment and it is difficult to keep natural gradation variation by a method of specifying an adjustment color and an adjustment quantity and performing color conversion on the same color system. SOLUTION: An image processor specifies a color signal to be converted as an adjustment object point on an RGB color system, specifies an adjustment quantity for the adjustment point on a Lab color system, and performs mapping conversion of the color signal on an Lch color system according to the adjustment quantity. COPYRIGHT: (C)2004,JPO
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