发明名称 Image input device and authentication device using the same
摘要 An image input device is provided with: an image input part into which an image is entered; an image evaluation part which evaluates the image quality or subject of the image by using a predetermined threshold value; a cause determination part which determines the cause of image degradation corresponding to the image, based on the evaluation result of the image by the image evaluation part; an output part which outputs to the user a predetermined question; a cause input part into which an answer to the question is entered; and a cause comparison part which determines whether a match occurs or not between the cause of image degradation and the cause of image degradation corresponding to the answer.
申请公布号 US2006165265(A1) 申请公布日期 2006.07.27
申请号 US20050524801 申请日期 2005.02.16
申请人 FUJIMATSU TAKESHI 发明人 FUJIMATSU TAKESHI
分类号 A61B5/117;G06K9/00;G06T1/00;G06T7/00 主分类号 A61B5/117
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