发明名称 IMAGE PROCESSING APPARATUS AND DOCUMENT REGION DETERMINATION METHOD
摘要 <P>PROBLEM TO BE SOLVED: To provide an image processing apparatus which accurately detects a document region. <P>SOLUTION: The image processing apparatus obtains image data including first data corresponding to a document placed on a document table and second data corresponding to a cover with which the document table is covered. Then, the apparatus calculates a signal value representing at least one of plural types of optical characteristics for each pixel from a read signal outputted from the reading unit of the image processing apparatus, and determines whether or not a target pixel is a pixel included in the document placed on the document table, on the basis of the calculated signal value. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013102425(A) 申请公布日期 2013.05.23
申请号 JP20120231217 申请日期 2012.10.18
申请人 CANON INC 发明人 SUWA TETSUYA;KATO MINOKO;MOCHIZUKI YUGO;NAKAMURA TAKASHI;KATO MASAO
分类号 H04N1/04;G06T1/00;H04N1/10;H04N1/107;H04N1/38 主分类号 H04N1/04
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