US 12,254,656 B2
Apparatus, method, and storage medium for acquiring a reflection characistic of an object
Akira Shibasaki, Saitama (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jul. 29, 2021, as Appl. No. 17/388,635.
Claims priority of application No. 2020-131687 (JP), filed on Aug. 3, 2020.
Prior Publication US 2022/0038614 A1, Feb. 3, 2022
Int. Cl. G06V 10/141 (2022.01); G01J 1/02 (2006.01); G01J 1/06 (2006.01); G01N 21/47 (2006.01); G01N 21/55 (2014.01); G01N 21/57 (2006.01); G06V 10/60 (2022.01)
CPC G06V 10/141 (2022.01) [G01J 1/0242 (2013.01); G01J 1/06 (2013.01); G01N 21/4738 (2013.01); G01N 21/55 (2013.01); G01N 21/57 (2013.01); G06V 10/60 (2022.01)] 18 Claims
OG exemplary drawing
 
1. An apparatus comprising:
one or more processors; and
at least one memory coupled to the one or more processors storing instructions that, when executed by the one or more processors, cause the one or more processors to function as:
a control unit configured to control an illumination unit such that two or more light sources from among a plurality of light sources of the illumination unit are turned on when an image of an object is captured; and
a derivation unit configured to derive a reflection characteristic of the object based on image data obtained by capturing the image of the object,
wherein the derivation unit specifies one incident angle from among incident angles of light incident on the object from the respective two or more light sources, and derives the reflection characteristic of the object based on the image data and the one specified incident angle.