JP5822508B2 - 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
JP5822508B2
JP5822508B2 JP2011084079A JP2011084079A JP5822508B2 JP 5822508 B2 JP5822508 B2 JP 5822508B2 JP 2011084079 A JP2011084079 A JP 2011084079A JP 2011084079 A JP2011084079 A JP 2011084079A JP 5822508 B2 JP5822508 B2 JP 5822508B2
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JP
Japan
Prior art keywords
photometric
value
image data
accumulation
calculating
Prior art date
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Expired - Fee Related
Application number
JP2011084079A
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English (en)
Japanese (ja)
Other versions
JP2012222469A (ja
JP2012222469A5 (enExample
Inventor
陽介 峰
陽介 峰
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 JP2011084079A priority Critical patent/JP5822508B2/ja
Priority to US13/432,481 priority patent/US9122125B2/en
Priority to CN201210098048.1A priority patent/CN102739965B/zh
Publication of JP2012222469A publication Critical patent/JP2012222469A/ja
Publication of JP2012222469A5 publication Critical patent/JP2012222469A5/ja
Application granted granted Critical
Publication of JP5822508B2 publication Critical patent/JP5822508B2/ja
Expired - Fee Related legal-status Critical Current
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/097—Digital circuits for control of both exposure time and aperture
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/28—Circuitry to measure or to take account of the object contrast
    • 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
    • H04N23/741—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
    • H04N25/46—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by combining or binning pixels

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Exposure Control For Cameras (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
JP2011084079A 2011-04-05 2011-04-05 撮像装置及びその制御方法 Expired - Fee Related JP5822508B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011084079A JP5822508B2 (ja) 2011-04-05 2011-04-05 撮像装置及びその制御方法
US13/432,481 US9122125B2 (en) 2011-04-05 2012-03-28 Image-capturing apparatus and method of controlling the same
CN201210098048.1A CN102739965B (zh) 2011-04-05 2012-04-05 摄像设备及其控制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011084079A JP5822508B2 (ja) 2011-04-05 2011-04-05 撮像装置及びその制御方法

Publications (3)

Publication Number Publication Date
JP2012222469A JP2012222469A (ja) 2012-11-12
JP2012222469A5 JP2012222469A5 (enExample) 2014-05-15
JP5822508B2 true JP5822508B2 (ja) 2015-11-24

Family

ID=46965823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011084079A Expired - Fee Related JP5822508B2 (ja) 2011-04-05 2011-04-05 撮像装置及びその制御方法

Country Status (3)

Country Link
US (1) US9122125B2 (enExample)
JP (1) JP5822508B2 (enExample)
CN (1) CN102739965B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6046905B2 (ja) * 2012-04-02 2016-12-21 キヤノン株式会社 撮像装置、露出制御方法、及びプログラム
JP6277675B2 (ja) * 2013-10-31 2018-02-14 リコーイメージング株式会社 撮像装置および撮像方法
US10136079B2 (en) 2013-10-31 2018-11-20 Ricoh Imaging Company, Ltd. Method and apparatus for imaging an object
CN104754238B (zh) * 2013-12-31 2018-03-23 展讯通信（上海）有限公司 一种成像控制方法及装置、成像控制系统
CN106507068B (zh) 2016-11-29 2018-05-04 广东欧珀移动通信有限公司 图像处理方法及装置、控制方法及装置、成像及电子装置
CN106507019B (zh) * 2016-11-29 2019-05-10 Oppo广东移动通信有限公司 控制方法、控制装置、电子装置
CN112415834B (zh) * 2020-11-06 2022-03-04 浙江大华技术股份有限公司 一种激光灯控制的方法及设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3070300B2 (ja) 1992-10-19 2000-07-31 株式会社ニコン カメラの測光装置
JP2000050168A (ja) * 1998-07-30 2000-02-18 Canon Inc フルフレームトランスファー型固体撮像装置及びその駆動方法
JP2004187287A (ja) * 2002-11-18 2004-07-02 Canon Inc 撮像装置、該撮像装置の制御方法、及び該制御方法を実行するコンピュータにより読み込み可能なプログラムを記憶した記録媒体
US7714890B2 (en) * 2005-04-26 2010-05-11 Olympus Imaging Corp. Image pickup apparatus and method for controlling pixel reading using a shake determination
JP2006352715A (ja) * 2005-06-17 2006-12-28 Casio Comput Co Ltd デジタルカメラ、及びその露出制御方法
US7548689B2 (en) * 2007-04-13 2009-06-16 Hewlett-Packard Development Company, L.P. Image processing method
JP2009010694A (ja) * 2007-06-28 2009-01-15 Sanyo Electric Co Ltd 露光制御回路、およびそれを搭載した撮像装置
US8675122B2 (en) * 2009-01-16 2014-03-18 Microsoft Corporation Determining exposure time in a digital camera
JP4678060B2 (ja) * 2009-03-25 2011-04-27 株式会社ニコン 撮像装置および画像処理プログラム
KR101597785B1 (ko) * 2009-07-14 2016-02-25 삼성전자주식회사 이미지 센서 및 영상 처리 방법
JP5371717B2 (ja) * 2009-12-01 2013-12-18 キヤノン株式会社 画像処理装置及び画像処理方法

Also Published As

Publication number Publication date
US20120257081A1 (en) 2012-10-11
CN102739965A (zh) 2012-10-17
JP2012222469A (ja) 2012-11-12
CN102739965B (zh) 2015-09-30
US9122125B2 (en) 2015-09-01

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