发明名称 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD AND COMPUTER PROGRAM
摘要 A problem of the present invention is to prevent showthrough of a rear side image to a front side image without using any complicated processing at a time of reading out both sides of a document. To solve the problem, an image processing apparatus in accordance with the present invention reads out image information on the front side and rear side of a document; calculates a first background level from the image information on the front side; calculates a second background level by adjusting the first background level according to the first background level calculated and the density of the image information on the rear side; and removes the background of the front side using the second background level.
申请公布号 US2009161124(A1) 申请公布日期 2009.06.25
申请号 US20080277500 申请日期 2008.11.25
申请人 CANON KABUSHIKI KAISHA 发明人 TAMURA HIROKAZU
分类号 G06F3/12 主分类号 G06F3/12
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