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 |