JP2023034920A - 撮像装置、フリッカー検出方法およびプログラム - Google Patents

撮像装置、フリッカー検出方法およびプログラム Download PDF

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Publication number
JP2023034920A
JP2023034920A JP2021141408A JP2021141408A JP2023034920A JP 2023034920 A JP2023034920 A JP 2023034920A JP 2021141408 A JP2021141408 A JP 2021141408A JP 2021141408 A JP2021141408 A JP 2021141408A JP 2023034920 A JP2023034920 A JP 2023034920A
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JP
Japan
Prior art keywords
flicker
frequency
shutter speed
detection
detected
Prior art date
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Pending
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JP2021141408A
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English (en)
Japanese (ja)
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JP2023034920A5 (enExample
Inventor
尊志 小林
Takashi Kobayashi
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Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2021141408A priority Critical patent/JP2023034920A/ja
Priority to EP22190498.0A priority patent/EP4142299A1/en
Priority to US17/820,716 priority patent/US11843872B2/en
Priority to CN202211042923.4A priority patent/CN115734081A/zh
Publication of JP2023034920A publication Critical patent/JP2023034920A/ja
Publication of JP2023034920A5 publication Critical patent/JP2023034920A5/ja
Pending legal-status Critical Current

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    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Exposure Control For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
JP2021141408A 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 Pending JP2023034920A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2021141408A JP2023034920A (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
EP22190498.0A EP4142299A1 (en) 2021-08-31 2022-08-16 Imaging apparatus, flicker detection method, and program
US17/820,716 US11843872B2 (en) 2021-08-31 2022-08-18 Imaging apparatus, flicker detection method, and storage medium
CN202211042923.4A CN115734081A (zh) 2021-08-31 2022-08-29 摄像设备、闪烁检测方法和存储介质

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021141408A JP2023034920A (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 (2)

Publication Number Publication Date
JP2023034920A true JP2023034920A (ja) 2023-03-13
JP2023034920A5 JP2023034920A5 (enExample) 2024-12-16

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JP2021141408A Pending JP2023034920A (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

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US (1) US11843872B2 (enExample)
EP (1) EP4142299A1 (enExample)
JP (1) JP2023034920A (enExample)
CN (1) CN115734081A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025002996A (ja) * 2023-06-23 2025-01-09 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
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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (8)

* 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
CN1699940A (zh) * 2004-05-20 2005-11-23 豪威科技有限公司 检测周围光源闪烁比率用来控制便携式摄像机的帧频的方法和系统
JP2006287361A (ja) * 2005-03-31 2006-10-19 Eastman Kodak Co デジタルカメラ
JP2008147713A (ja) * 2006-12-05 2008-06-26 Canon Inc 撮像装置及び判定方法
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
JP2018006888A (ja) * 2016-06-29 2018-01-11 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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006287362A (ja) * 2005-03-31 2006-10-19 Eastman Kodak Co デジタルカメラおよびホワイトバランス調整方法
KR101678691B1 (ko) * 2010-05-12 2016-11-23 삼성전자주식회사 광원의 특성을 이용한 이미지 처리 장치 및 방법
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
JP2020072392A (ja) * 2018-10-31 2020-05-07 キヤノン株式会社 撮像装置、撮像装置の制御方法およびプログラム

Patent Citations (8)

* 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
CN1699940A (zh) * 2004-05-20 2005-11-23 豪威科技有限公司 检测周围光源闪烁比率用来控制便携式摄像机的帧频的方法和系统
JP2006287361A (ja) * 2005-03-31 2006-10-19 Eastman Kodak Co デジタルカメラ
JP2008147713A (ja) * 2006-12-05 2008-06-26 Canon Inc 撮像装置及び判定方法
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
JP2018006888A (ja) * 2016-06-29 2018-01-11 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025002996A (ja) * 2023-06-23 2025-01-09 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
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
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

Also Published As

Publication number Publication date
US20230061655A1 (en) 2023-03-02
CN115734081A (zh) 2023-03-03
US11843872B2 (en) 2023-12-12
EP4142299A1 (en) 2023-03-01

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