发明名称 IMAGE PROCESSING METHOD AND IMAGE PROCESSING UNIT
摘要 PROBLEM TO BE SOLVED: To provide an image processing method and an image processing unit that can correct gradation jumping depending on a kind of image data. SOLUTION: The method of this invention is an image processing method for multi-value color image data generated by computer graphics and includes an identification step where whether the color image data are RGB image data or CMYK image data is identified, and an attaching process where random number data are attached to the color image data only when the identification step identifies that the color image data are the CMYK image data, that is, the random number data are attached to the CMYK image data only.
申请公布号 JP2001144942(A) 申请公布日期 2001.05.25
申请号 JP19990324320 申请日期 1999.11.15
申请人 CANON INC 发明人 MIMA TAKESHI
分类号 B41J5/30;B41J2/52;G06T5/00;H04N1/387;H04N1/46;H04N1/60 主分类号 B41J5/30
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