发明名称 |
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD AND STORAGE MEDIUM |
摘要 |
There is provided an image processing apparatus comprising: a first halftone processing unit configured to perform halftone processing on multilevel input image data; a first filter unit configured to perform smoothing filter processing on the first halftone image data; a second filter unit configured to perform smoothing filter processing on the multilevel input image data; a first difference evaluation unit configured to calculate a difference between the converted first and second filter-processed data for each pixel as a first moiré intensity; a third filter unit; a fourth filter unit; a second difference evaluation unit configured to calculate a difference between the converted third and fourth filter-processed data for each pixel as a second moiré intensity; and a moiré intensity selection unit configured to select one of the first moiré intensity and the second moiré intensity.
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申请公布号 |
US2012086986(A1) |
申请公布日期 |
2012.04.12 |
申请号 |
US201113234723 |
申请日期 |
2011.09.16 |
申请人 |
HARA YUJI;ISHIKAWA HISASHI;CANON KABUSHIKI KAISHA |
发明人 |
HARA YUJI;ISHIKAWA HISASHI |
分类号 |
H04N1/405 |
主分类号 |
H04N1/405 |
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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