US 12,262,102 B2
Image processing apparatus for improving image quality of visible light image, control method for image processing apparatus, and storage medium
Kaihei Kitamura, Tokyo (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jan. 10, 2023, as Appl. No. 18/152,282.
Claims priority of application No. 2022-005874 (JP), filed on Jan. 18, 2022.
Prior Publication US 2023/0232085 A1, Jul. 20, 2023
Int. Cl. H04N 23/11 (2023.01); G06V 10/14 (2022.01); G06V 10/141 (2022.01); G06V 10/25 (2022.01); G06V 10/44 (2022.01)
CPC H04N 23/11 (2023.01) [G06V 10/141 (2022.01); G06V 10/25 (2022.01); G06V 10/44 (2022.01)] 12 Claims
OG exemplary drawing
 
1. An image processing apparatus comprising:
a lighting unit configured to have one or more light sources which provide one or both of visible light and invisible light; and
at least one processor and/or at least one circuit configured to perform operations of:
calculating a feature value comprising spatial gradation information of a visible light image obtained by shooting of a subject irradiated with visible light provided by the lighting unit;
calculating a feature value comprising spatial gradation information of an invisible light image obtained by shooting of the subject irradiated with invisible light provided by the lighting unit; and
calculating an enhancement effect for the invisible light based on the feature value including the spatial gradation information of the visible light image and the feature value including the spatial gradation information of the invisible light image, and calculating and applying, based at least on the calculated enhancement effect, irradiation conditions for the invisible light to be provided by the lighting unit.