US 12,450,727 B2
Image processing apparatus, image processing method, and medium that obtains a difference in color information at corresponding positions between a composite image and a print image
Miki Wakui, Kanagawa (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 31, 2023, as Appl. No. 18/193,733.
Claims priority of application No. 2022-070951 (JP), filed on Apr. 22, 2022.
Prior Publication US 2023/0342911 A1, Oct. 26, 2023
Int. Cl. G06T 7/90 (2017.01); G06T 7/00 (2017.01); G06T 7/30 (2017.01)
CPC G06T 7/001 (2013.01) [G06T 7/30 (2017.01); G06T 7/90 (2017.01); G06T 2207/10024 (2013.01); G06T 2207/30144 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An image processing apparatus comprising:
one or more memories storing instructions and one or more processors that execute the instructions:
to obtain a plurality of print images obtained by reading each of a plurality of print products;
to evaluate a difference between the plurality of print images;
to set an exclusion region in inspection of a print product based on a result of the evaluation; and
to obtain a difference in color information at corresponding positions between a composite image of the plurality of print images and one of the plurality of print images as a feature amount indicating the magnitude of the difference.