To remove an error from personal color matching data obtained by a color matching experiment.
Personal color matching data of a predetermined observer indicating a relationship between a printed color and a displayed color matching the printed color and allowable range data indicating an allowable difference between colors recognized to be the same color by the observer which are obtained by a color matching experiment are input (S501). A reference value is calculated from a relationship between a color value of the printed color and a color value of the displayed color included in the personal color matching data, it is determined whether a difference between the reference value and the color value of the displayed color is included in the allowable difference indicated by the allowable range data, and the color value of the displayed color is replaced with the reference value when the difference is not included in the allowable difference (S502).
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
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