发明名称 IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
摘要 An image processing apparatus includes a detection circuit configured to detect an image, a luminance correction circuit configured to determine luminance of the detected image and to execute correction for reducing a luminance variation in the detected image, and an extraction circuit configured to extract feature amount data from the detected image corrected by the correction circuit for use in authentication processing.
申请公布号 US2010014775(A1) 申请公布日期 2010.01.21
申请号 US20090501703 申请日期 2009.07.13
申请人 CANON KABUSHIKI KAISHA 发明人 IKEDA EIICHIRO
分类号 G06K9/40 主分类号 G06K9/40
代理机构 代理人
主权项
地址