US 11,838,627 B2
Imaging apparatus, control method for imaging apparatus, and storage medium
Shigeyuki Kobayashi, Kanagawa (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jun. 7, 2022, as Appl. No. 17/834,749.
Claims priority of application No. 2021-097304 (JP), filed on Jun. 10, 2021.
Prior Publication US 2022/0400209 A1, Dec. 15, 2022
Int. Cl. H04N 23/67 (2023.01)
CPC H04N 23/673 (2023.01) [H04N 23/675 (2023.01)] 19 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a control unit configured to control a position of a focus lens of the apparatus;
a setting unit configured to change a threshold for detecting a luminance change in each pixel in a predetermined range;
an acquisition unit configured to acquire a signal indicating a pixel in which a luminance change that is more than or equal to the threshold has occurred; and
a determination unit configured to determine an in-focus position of the focus lens based on the signal detected depending on the position of the focus lens and the set threshold.