JP7414538B2 - 撮像装置及びその制御方法 - Google Patents

撮像装置及びその制御方法 Download PDF

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Publication number
JP7414538B2
JP7414538B2 JP2020003950A JP2020003950A JP7414538B2 JP 7414538 B2 JP7414538 B2 JP 7414538B2 JP 2020003950 A JP2020003950 A JP 2020003950A JP 2020003950 A JP2020003950 A JP 2020003950A JP 7414538 B2 JP7414538 B2 JP 7414538B2
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Japan
Prior art keywords
signal
ratio
addition signal
gain
average partial
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JP2020003950A
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English (en)
Japanese (ja)
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JP2021110885A5 (enExample
JP2021110885A (ja
Inventor
廣輝 中村
寿人 関根
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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 JP2020003950A priority Critical patent/JP7414538B2/ja
Priority to US17/143,420 priority patent/US11431924B2/en
Publication of JP2021110885A publication Critical patent/JP2021110885A/ja
Publication of JP2021110885A5 publication Critical patent/JP2021110885A5/ja
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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
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
    • 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
    • H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • H04N25/571—Control of the dynamic range involving a non-linear response
    • H04N25/575—Control of the dynamic range involving a non-linear response with a response composed of multiple slopes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • H04N25/58—Control of the dynamic range involving two or more exposures
    • H04N25/581—Control of the dynamic range involving two or more exposures acquired simultaneously
    • H04N25/585—Control of the dynamic range involving two or more exposures acquired simultaneously with pixels having different sensitivities within the sensor, e.g. fast or slow pixels or pixels having different sizes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/703—SSIS architectures incorporating pixels for producing signals other than image signals
    • H04N25/704—Pixels specially adapted for focusing, e.g. phase difference pixel sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H04N25/78—Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Focusing (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
JP2020003950A 2020-01-14 2020-01-14 撮像装置及びその制御方法 Active JP7414538B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020003950A JP7414538B2 (ja) 2020-01-14 2020-01-14 撮像装置及びその制御方法
US17/143,420 US11431924B2 (en) 2020-01-14 2021-01-07 Image capturing apparatus and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020003950A JP7414538B2 (ja) 2020-01-14 2020-01-14 撮像装置及びその制御方法

Publications (3)

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JP2021110885A JP2021110885A (ja) 2021-08-02
JP2021110885A5 JP2021110885A5 (enExample) 2023-01-24
JP7414538B2 true JP7414538B2 (ja) 2024-01-16

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JP2020003950A Active JP7414538B2 (ja) 2020-01-14 2020-01-14 撮像装置及びその制御方法

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US (1) US11431924B2 (enExample)
JP (1) JP7414538B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023059696A (ja) * 2021-10-15 2023-04-27 キヤノン株式会社 撮像装置及びその制御方法
JP2023176537A (ja) * 2022-05-31 2023-12-13 キヤノン株式会社 画像処理装置及びその制御方法及びプログラム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018019296A (ja) 2016-07-28 2018-02-01 キヤノン株式会社 撮像装置およびその制御方法
JP2018025597A (ja) 2016-08-08 2018-02-15 オリンパス株式会社 撮像装置
JP2018191223A (ja) 2017-05-10 2018-11-29 キヤノン株式会社 撮像装置及び撮像素子の制御方法
JP2019186910A (ja) 2018-04-16 2019-10-24 キヤノン株式会社 撮像素子、撮像装置及びその制御方法
JP2019193150A (ja) 2018-04-26 2019-10-31 キヤノン株式会社 撮像素子およびその制御方法、撮像装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5663573B2 (ja) * 2010-06-22 2015-02-04 富士フイルム株式会社 撮像装置及び撮像方法
US9648248B2 (en) * 2012-12-17 2017-05-09 Sony Corporation Methods, systems, and media for high dynamic range imaging

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018019296A (ja) 2016-07-28 2018-02-01 キヤノン株式会社 撮像装置およびその制御方法
JP2018025597A (ja) 2016-08-08 2018-02-15 オリンパス株式会社 撮像装置
JP2018191223A (ja) 2017-05-10 2018-11-29 キヤノン株式会社 撮像装置及び撮像素子の制御方法
JP2019186910A (ja) 2018-04-16 2019-10-24 キヤノン株式会社 撮像素子、撮像装置及びその制御方法
JP2019193150A (ja) 2018-04-26 2019-10-31 キヤノン株式会社 撮像素子およびその制御方法、撮像装置

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US11431924B2 (en) 2022-08-30
US20210218911A1 (en) 2021-07-15
JP2021110885A (ja) 2021-08-02

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