发明名称 Color image processing apparatus.
摘要 A color image processing apparatus for converting a predetermined color in color image data into data of desired characteristic extracts density information and hue information with respect to the color image data. Density information and hue information in respect to a predetermined color are set. Judgement is conducted as to whether a first difference between the density information of the color image data and the density information of the predetermined color falls within a first predetermined range and also as to whether a second difference between the hue information of the color image data and the hue information of the predetermined color falls within a second predetermined range. The color image data is converted into the predetermined color on condition that the first and second differences fall within the first and second predetermined ranges, respectively.
申请公布号 EP0303474(A2) 申请公布日期 1989.02.15
申请号 EP19880307413 申请日期 1988.08.10
申请人 CANON KABUSHIKI KAISHA 发明人 KADOWAKI, TOSHIHIRO;OHNISHI, TETSUYA;IKEDA, YOSHINORI
分类号 G03F3/08;G03G15/01;H04N1/62 主分类号 G03F3/08
代理机构 代理人
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