CN115734081A - 摄像设备、闪烁检测方法和存储介质 - Google Patents

摄像设备、闪烁检测方法和存储介质 Download PDF

Info

Publication number
CN115734081A
CN115734081A CN202211042923.4A CN202211042923A CN115734081A CN 115734081 A CN115734081 A CN 115734081A CN 202211042923 A CN202211042923 A CN 202211042923A CN 115734081 A CN115734081 A CN 115734081A
Authority
CN
China
Prior art keywords
flicker
frequency
sampling
shutter speed
detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211042923.4A
Other languages
English (en)
Chinese (zh)
Inventor
小林尊志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CN115734081A publication Critical patent/CN115734081A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/745—Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Exposure Control For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
CN202211042923.4A 2021-08-31 2022-08-29 摄像设备、闪烁检测方法和存储介质 Pending CN115734081A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-141408 2021-08-31
JP2021141408A JP7799405B2 (ja) 2021-08-31 2021-08-31 撮像装置、フリッカー検出方法およびプログラム

Publications (1)

Publication Number Publication Date
CN115734081A true CN115734081A (zh) 2023-03-03

Family

ID=82939701

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211042923.4A Pending CN115734081A (zh) 2021-08-31 2022-08-29 摄像设备、闪烁检测方法和存储介质

Country Status (4)

Country Link
US (1) US11843872B2 (https=)
EP (1) EP4142299A1 (https=)
JP (1) JP7799405B2 (https=)
CN (1) CN115734081A (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024185543A1 (ja) 2023-03-07 2024-09-12 富士フイルム株式会社 感活性光線性又は感放射線性樹脂組成物、レジスト膜、パターン形成方法及び電子デバイスの製造方法
JP7746333B2 (ja) * 2023-06-23 2025-09-30 キヤノン株式会社 撮像装置、その制御方法およびプログラム
US20250126366A1 (en) * 2023-10-16 2025-04-17 Canon Kabushiki Kaisha Image capture apparatus and control method
CN117475359B (zh) * 2023-12-27 2024-08-06 湖北经济学院 一种led灯的识别方法、装置、电子设备及存储介质
US20250247627A1 (en) * 2024-01-26 2025-07-31 Apple Inc. Head-Mounted Device with Flicker Judder Mitigation
WO2025192650A1 (ja) * 2024-03-12 2025-09-18 株式会社ニコン 撮像装置およびプログラム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060221205A1 (en) * 2005-03-31 2006-10-05 Kenichi Nakajima Digital camera and white balance adjustment method
CN102668542A (zh) * 2009-12-31 2012-09-12 微软公司 摄影闪烁检测和补偿
US20140043501A1 (en) * 2010-05-12 2014-02-13 Samsung Electronics Co., Ltd. Apparatus and method for processing image by using characteristic of light source
CN110661947A (zh) * 2018-06-29 2020-01-07 佳能株式会社 摄像设备及其控制方法和存储介质
US20200137291A1 (en) * 2018-10-31 2020-04-30 Canon Kabushiki Kaisha Image pickup apparatus that performs flicker detection, control method for image pickup apparatus, and storage medium

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5948658A (ja) * 1982-09-13 1984-03-19 Hitachi Denshi Ltd エイリアシングエラ−検出回路
US8045017B2 (en) 2004-05-20 2011-10-25 Omnivision Technologies, Inc. Methods and systems for detecting flash rate of surrounding lights for controlling camcorder frame rate
JP4377840B2 (ja) 2005-03-31 2009-12-02 イーストマン コダック カンパニー デジタルカメラ
JP5105843B2 (ja) 2006-12-05 2012-12-26 キヤノン株式会社 撮像装置及び判定方法
KR102092571B1 (ko) * 2013-01-04 2020-04-14 삼성전자 주식회사 카메라를 구비하는 장치의 인물 촬영장치 및 방법
JP6108946B2 (ja) 2013-05-10 2017-04-05 キヤノン株式会社 撮像装置、制御方法、プログラム及び記憶媒体
JP2015192345A (ja) 2014-03-28 2015-11-02 日本放送協会 フリッカ低減装置およびそのプログラム、ならびに、フリッカ低減システム
EP2950523A1 (en) * 2014-05-28 2015-12-02 Thomson Licensing Method of estimating flicker on recorded video by camcorder
JP2016129279A (ja) 2015-01-09 2016-07-14 キヤノン株式会社 撮像装置
JP6669404B2 (ja) 2016-06-29 2020-03-18 キヤノン株式会社 撮像装置、その制御方法、および制御プログラム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060221205A1 (en) * 2005-03-31 2006-10-05 Kenichi Nakajima Digital camera and white balance adjustment method
CN102668542A (zh) * 2009-12-31 2012-09-12 微软公司 摄影闪烁检测和补偿
US20140043501A1 (en) * 2010-05-12 2014-02-13 Samsung Electronics Co., Ltd. Apparatus and method for processing image by using characteristic of light source
CN110661947A (zh) * 2018-06-29 2020-01-07 佳能株式会社 摄像设备及其控制方法和存储介质
US20200137291A1 (en) * 2018-10-31 2020-04-30 Canon Kabushiki Kaisha Image pickup apparatus that performs flicker detection, control method for image pickup apparatus, and storage medium

Also Published As

Publication number Publication date
US11843872B2 (en) 2023-12-12
JP7799405B2 (ja) 2026-01-15
US20230061655A1 (en) 2023-03-02
JP2023034920A (ja) 2023-03-13
EP4142299A1 (en) 2023-03-01

Similar Documents

Publication Publication Date Title
CN115734081A (zh) 摄像设备、闪烁检测方法和存储介质
US8471923B2 (en) Flicker correction apparatus, flicker correction method and image sensing apparatus
EP4050882B1 (en) Image capturing apparatus capable of detecting flicker due to periodic change in light amount of object, flicker detecting method, and program
US7973852B2 (en) Auto-focus apparatus, image capture apparatus, and auto-focus method
US10721416B2 (en) Imaging device
CN105915807B (zh) 计算光量变化特性的方法和电子设备
KR20110034961A (ko) 장면 모드 표시에 따른 영상 처리 장치 및 방법
CN102057665A (zh) 电子照相机、图象处理装置及图象处理方法
EP4093020B1 (en) Image capturing apparatus capable of detecting flicker due to periodic change in light amount of object, method of controlling same, and program
CN104219455A (zh) 成像装置、检测闪烁的方法以及信息处理单元
US10594938B2 (en) Image processing apparatus, imaging apparatus, and method for controlling image processing apparatus
JP6537288B2 (ja) 焦点調節装置および焦点調節方法
US20160373632A1 (en) Image pickup apparatus capable of determining light amount change characteristic, method of determining light amount change characteristic, and storage medium
JP7730693B2 (ja) 撮像装置、フリッカー検出方法およびプログラム
JPWO2018150961A1 (ja) 撮影装置及びその制御方法並びに作動プログラム
JP6603892B2 (ja) 撮像装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination