CPC H04N 1/00047 (2013.01) [H04N 1/00074 (2013.01); H04N 1/00442 (2013.01); H04N 1/00824 (2013.01); H04N 1/387 (2013.01)] | 7 Claims |
6. A method of controlling an image forming apparatus comprising a reader that reads a document sheet, the method comprising:
specifying image data of the first document sheet which is firstly read by the reader among image data of the document sheets read by the reader;
extracting a difference by comparing the specified image data and image data of each of other document sheets included in the read document sheets; and
creating, by composing the extracted difference and the specified image data, a composite image.
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