发明名称 |
Image processing apparatus, image forming apparatus, image processing method and recording medium |
摘要 |
Disclosed is an image processing apparatus including: an image memory section to store an image data obtained by reading an image of an original manuscript; an external light memory section to store a data of external light entering to a stage for the original manuscript and to form histograms of each color based on the data of external light; a judging section to calculate an external light level from a higher luminance by each color out of luminance values of a foot of a peak including a maximum frequency value measured on the histograms; and an area detecting section to determine a non-image area erase threshold based on the external light level, so as to detect an image area and to erase a non-image area.
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申请公布号 |
US2007035789(A1) |
申请公布日期 |
2007.02.15 |
申请号 |
US20060476180 |
申请日期 |
2006.06.27 |
申请人 |
KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. |
发明人 |
OHKAWA MIEKO |
分类号 |
G03F3/08 |
主分类号 |
G03F3/08 |
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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