CN102739965B - 摄像设备及其控制方法 - Google Patents

摄像设备及其控制方法 Download PDF

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Publication number
CN102739965B
CN102739965B CN201210098048.1A CN201210098048A CN102739965B CN 102739965 B CN102739965 B CN 102739965B CN 201210098048 A CN201210098048 A CN 201210098048A CN 102739965 B CN102739965 B CN 102739965B
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CN
China
Prior art keywords
view data
light
value
light value
photometry region
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.)
Expired - Fee Related
Application number
CN201210098048.1A
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English (en)
Chinese (zh)
Other versions
CN102739965A (zh
Inventor
峰阳介
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 CN102739965A publication Critical patent/CN102739965A/zh
Application granted granted Critical
Publication of CN102739965B publication Critical patent/CN102739965B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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

Landscapes

  • 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)
CN201210098048.1A 2011-04-05 2012-04-05 摄像设备及其控制方法 Expired - Fee Related CN102739965B (zh)

Applications Claiming Priority (2)

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
JP2011-084079 2011-04-05

Publications (2)

Publication Number Publication Date
CN102739965A CN102739965A (zh) 2012-10-17
CN102739965B true CN102739965B (zh) 2015-09-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210098048.1A Expired - Fee Related CN102739965B (zh) 2011-04-05 2012-04-05 摄像设备及其控制方法

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
JP5822508B2 (ja) 2015-11-24
US20120257081A1 (en) 2012-10-11
CN102739965A (zh) 2012-10-17
JP2012222469A (ja) 2012-11-12
US9122125B2 (en) 2015-09-01

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Granted publication date: 20150930