发明名称 IMAGE READING APPARATUS AND DOCUMENT BACKGROUND PROCESSING METHOD
摘要 PROBLEM TO BE SOLVED: To avoid the background density of an image from being outputted while the density becomes different on front and rear sides when reading both sides of a document. SOLUTION: When reading both sides of the document, the background information of a read image on each of the front and rear sides is detected and based on either one background information, image processing for the background of the read image is performed. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2007336454(A) 申请公布日期 2007.12.27
申请号 JP20060168879 申请日期 2006.06.19
申请人 CANON INC 发明人 ISHIDO KATSUHIRO
分类号 H04N1/407;G06T1/00;H04N1/04 主分类号 H04N1/407
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