Colour processing method, colour processing appts. and storage medium
A color processing and color technology, applied in image data processing, character and pattern recognition, instruments, etc., can solve problems such as weakening correction and reducing the amount of color adjustment.
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[0025] figure 1 is a block diagram showing the first embodiment of the present invention. exist figure 1 Among them, reference numeral 11 denotes a representative color calculation section; 12, a color adjustment distance calculation section; and 13, a reproduced color calculation section. The representative color calculation unit 11 calculates a color representing an area targeted for color adjustment based on an input image, and regards this color as a representative color. The calculation of the representative color can be performed using known techniques related to image region recognition. Various methods can be used. For example, a color range is determined in advance based on hue or the like so that a representative color is calculated based on an average value of pixels within the color range.
[0026] The color adjustment distance calculation section 12 calculates the Euclidean distance on the color space between the representative color calculated by the represen...
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