US 12,432,457 B2
Image capturing apparatus and control method thereof and storage medium
Fumitaka Nakayama, Kanagawa (JP); and Hiroshi Suzuki, Kanagawa (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Dec. 13, 2022, as Appl. No. 18/065,019.
Claims priority of application No. 2021-205464 (JP), filed on Dec. 17, 2021.
Prior Publication US 2023/0199319 A1, Jun. 22, 2023
Int. Cl. H04N 23/72 (2023.01); H04N 5/265 (2006.01); H04N 23/71 (2023.01); H04N 23/73 (2023.01); H04N 23/76 (2023.01); H04N 25/131 (2023.01)
CPC H04N 23/72 (2023.01) [H04N 5/265 (2013.01); H04N 23/71 (2023.01); H04N 23/73 (2023.01); H04N 23/76 (2023.01); H04N 25/131 (2023.01)] 16 Claims
OG exemplary drawing
 
1. An image capturing apparatus comprising:
at least one processor or circuit configured to function as:
a determination unit configured to determine an exposure in order to capture a visible light image and an invisible light image;
an image capturing unit configured to capture a visible light image and a plurality of invisible light images with an exposure determined by the determination unit, wherein the plurality of invisible light images are captured using a same filter;
a synthesis unit configured to synthesize the plurality of invisible light images and generate a synthetic invisible light image; and
a correction unit configured to correct the visible light image using the synthetic invisible light image;
wherein the determination unit determines a number of the invisible light images to be captured such that a noise amount in the synthetic invisible light image becomes comparable to a noise amount in the visible light image.