US 11,704,820 B2
Image processing apparatus, image processing method, and storage medium
Waki Midorikawa, Tokyo (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Dec. 16, 2020, as Appl. No. 17/123,172.
Claims priority of application No. JP2019-234368 (JP), filed on Dec. 25, 2019.
Prior Publication US 2021/0201511 A1, Jul. 1, 2021
Int. Cl. G06T 7/33 (2017.01); G06T 7/12 (2017.01); G06T 11/00 (2006.01); G06T 7/80 (2017.01)
CPC G06T 7/337 (2017.01) [G06T 7/12 (2017.01); G06T 7/80 (2017.01); G06T 11/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An image processing apparatus comprising:
one or more memories storing instructions: and
one or more processors executing the instructions to:
acquire a captured image from an image capturing apparatus;
select feature portions, which are image areas used for alignment of the captured image with a different captured image of the image capturing apparatus, in the acquired captured image, the image areas being different from each other in the acquired captured image and each of the feature portions being one of the image areas in the acquired captured image;
classify the selected feature portions into a plurality of groups, each of the selected feature portions being classified into one of the plurality of groups;
count a number of feature portions classified to one of the plurality of groups, each of the classified feature portions being one of the image areas in the acquired captured image; and
present information about a specific group and the number of feature portions classified into the specific group being less than a threshold value,
wherein the selected feature portions are classified into any one of the plurality of groups based on an edge angle of the selected feature portions, and the information about the specific group includes information about the number of feature portions classified into the specific group and information about an edge angle corresponding to the specific group.