发明名称 IMAGE READER, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM
摘要 PROBLEM TO BE SOLVED: To provide an image reader capable of preventing an unnecessary black line from appearing in a read image even when a document is conveyed in an oblique state. SOLUTION: The image reader includes an image read means 108 of reading the conveyed document 123 together with a background member 109 to acquire image data, a shadow detecting means of detecting a shadow part of the document 123 formed on the background member 109 in the image data acquired by the image read means 108, and a shadow removing means of removing the shadow part detected by the shadow detecting means from the image data. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009016904(A) 申请公布日期 2009.01.22
申请号 JP20070172977 申请日期 2007.06.29
申请人 CANON ELECTRONICS INC 发明人 NEGISHI TOMOKI
分类号 H04N1/19;H04N1/04;H04N1/407 主分类号 H04N1/19
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