- Patent Title: Image capturing apparatus capable of detecting flicker due to periodic change in light amount of object, flicker detecting method, and non-transitory computer-readable storage medium
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Application No.: US17678893Application Date: 2022-02-23
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Publication No.: US11627261B2Publication Date: 2023-04-11
- Inventor: Takashi Kobayashi , Takuya Shintani
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JPJP2021-028810 20210225,JPJP2021-138847 20210827
- Main IPC: H04N5/235
- IPC: H04N5/235

Abstract:
An image capturing apparatus includes a driving control unit configured to control driving of an image sensor, and a flicker detection unit configured to detect flicker, which is a periodic change in a light amount of an object, based on a signal output from the image sensor, wherein the driving control unit is configured to, if the image sensor outputs a flicker detection signal to be used in detecting the flicker, control the driving of the image sensor at n different frame rates, n being a natural number greater than or equal to 3, wherein a least common multiple of the n frame rates used in detecting the flicker is not same as any of the n frame rates, and wherein the flicker detection unit is configured to detect the flicker based on the flicker detection signal obtained at each of the n frame rates.
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