JP2024011915A - 撮像装置、及び撮像装置の制御方法 - Google Patents

撮像装置、及び撮像装置の制御方法 Download PDF

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Publication number
JP2024011915A
JP2024011915A JP2022114257A JP2022114257A JP2024011915A JP 2024011915 A JP2024011915 A JP 2024011915A JP 2022114257 A JP2022114257 A JP 2022114257A JP 2022114257 A JP2022114257 A JP 2022114257A JP 2024011915 A JP2024011915 A JP 2024011915A
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JP
Japan
Prior art keywords
brightness
luminance
area
gradation correction
correction
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
JP2022114257A
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English (en)
Japanese (ja)
Other versions
JP2024011915A5 (enExample
Inventor
新之介 大澤
Shinnosuke Osawa
英貴 門井
Hideki Kadoi
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
Priority to JP2022114257A priority Critical patent/JP2024011915A/ja
Priority to US18/351,944 priority patent/US12363450B2/en
Publication of JP2024011915A publication Critical patent/JP2024011915A/ja
Publication of JP2024011915A5 publication Critical patent/JP2024011915A5/ja
Pending legal-status Critical Current

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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
    • H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • 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
    • H04N23/71—Circuitry for evaluating the brightness variation
    • 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
    • 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
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Exposure Control For Cameras (AREA)
JP2022114257A 2022-07-15 2022-07-15 撮像装置、及び撮像装置の制御方法 Pending JP2024011915A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022114257A JP2024011915A (ja) 2022-07-15 2022-07-15 撮像装置、及び撮像装置の制御方法
US18/351,944 US12363450B2 (en) 2022-07-15 2023-07-13 Imaging apparatus and control method for imaging apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022114257A JP2024011915A (ja) 2022-07-15 2022-07-15 撮像装置、及び撮像装置の制御方法

Publications (2)

Publication Number Publication Date
JP2024011915A true JP2024011915A (ja) 2024-01-25
JP2024011915A5 JP2024011915A5 (enExample) 2025-07-24

Family

ID=89509496

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JP2022114257A Pending JP2024011915A (ja) 2022-07-15 2022-07-15 撮像装置、及び撮像装置の制御方法

Country Status (2)

Country Link
US (1) US12363450B2 (enExample)
JP (1) JP2024011915A (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002359773A (ja) 2001-05-31 2002-12-13 Seiko Epson Corp 画像入出力装置、画像変換方法および画像変換プログラム
JP2005252711A (ja) * 2004-03-04 2005-09-15 Fuji Photo Film Co Ltd デジタルスチルカメラを用いた撮影システム、及び撮影制御方法
JP2015166767A (ja) 2014-03-03 2015-09-24 株式会社ニコン 測光装置、及び撮像装置

Also Published As

Publication number Publication date
US12363450B2 (en) 2025-07-15
US20240022829A1 (en) 2024-01-18

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