发明名称 |
IMAGE PROCESSING APPARATUS AND METHOD FOR REDUCING GRADATION LEVEL OF IMAGE |
摘要 |
<P>PROBLEM TO BE SOLVED: To make reproducibility of an image more natural than that of a conventional one even with a plurality of methods for reducing gradation level. <P>SOLUTION: An image processing apparatus 1 includes: a screen processing part 104 for screen processing of an input image; an error diffusion processing part 103 for an error diffusion processing of the input image; a mixed ratio determination processing part 105 for determining the mixed ration between the input image subject to the screen processing and the image subject to the error diffusion processing based on detection of the concentration of the input image; and a mix processing part 107 for mixing the input image subject to the screen processing with the image subject to the error diffusion processing according to the determined ratio. <P>COPYRIGHT: (C)2012,JPO&INPIT |
申请公布号 |
JP2012020531(A) |
申请公布日期 |
2012.02.02 |
申请号 |
JP20100161246 |
申请日期 |
2010.07.16 |
申请人 |
KONICA MINOLTA BUSINESS TECHNOLOGIES INC |
发明人 |
SAKA MASAAKI;YAMAGUCHI TOMOHIRO |
分类号 |
B41J2/52;G06T5/00;H04N1/405 |
主分类号 |
B41J2/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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