发明名称 |
IMAGE INSPECTION APPARATUS, IMAGE INSPECTION SYSTEM AND IMAGE INSPECTION METHOD |
摘要 |
An image inspection apparatus for checking an image printed on a recording medium includes: a reference pixel obtaining unit configured to generate a reference image and obtain a first pixel value from the reference image; a print pixel obtaining unit configured to extract an image printed area and obtain a second pixel value from the image; an offset processing unit configured to add a non-image-printed area; and an image checking unit configured to compute a difference between the first image pixel value and the second image pixel value and detect an error when the difference is higher than a predetermined threshold value, wherein the non-image-printed area contains a third pixel value that is different from the first pixel value or the second pixel value, and the image checking unit suspends a determination whether or not there is an error in the image printed area associated with the non-image-printed area. |
申请公布号 |
EP2895848(A4) |
申请公布日期 |
2015.11.25 |
申请号 |
EP20130838021 |
申请日期 |
2013.09.12 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
KOJIMA, KEIJI;ISHIZAKI, HIROYOSHI;KITAI, TADASHI;KANEKO, HITOMI |
分类号 |
G01N21/892;B41F33/00;B41J29/46;G06T1/00;G06T7/00;H04N1/00 |
主分类号 |
G01N21/892 |
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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