US 11,695,881 B2
Image forming apparatus that creates a composite image by comparing image data of document sheets, control method thereof, and storage medium
Kyosuke Nakano, Ibaraki (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 31, 2022, as Appl. No. 17/709,597.
Claims priority of application No. 2021-064276 (JP), filed on Apr. 5, 2021.
Prior Publication US 2022/0321707 A1, Oct. 6, 2022
Int. Cl. H04N 1/00 (2006.01); H04N 1/387 (2006.01)
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
OG exemplary drawing
 
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.