CN102566005B - 焦点检测设备及其控制方法 - Google Patents

焦点检测设备及其控制方法 Download PDF

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Publication number
CN102566005B
CN102566005B CN201110425020.XA CN201110425020A CN102566005B CN 102566005 B CN102566005 B CN 102566005B CN 201110425020 A CN201110425020 A CN 201110425020A CN 102566005 B CN102566005 B CN 102566005B
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CN
China
Prior art keywords
pixel
line sensor
focus detection
subject
pair
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
CN201110425020.XA
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English (en)
Chinese (zh)
Other versions
CN102566005A (zh
Inventor
竹内健悟
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.)
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CN102566005A publication Critical patent/CN102566005A/zh
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Publication of CN102566005B publication Critical patent/CN102566005B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • 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
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
CN201110425020.XA 2010-12-16 2011-12-16 焦点检测设备及其控制方法 Expired - Fee Related CN102566005B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010281006A JP5789098B2 (ja) 2010-12-16 2010-12-16 焦点検出装置およびその制御方法
JP2010-281006 2010-12-16

Publications (2)

Publication Number Publication Date
CN102566005A CN102566005A (zh) 2012-07-11
CN102566005B true CN102566005B (zh) 2014-10-22

Family

ID=46233936

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110425020.XA Expired - Fee Related CN102566005B (zh) 2010-12-16 2011-12-16 焦点检测设备及其控制方法

Country Status (3)

Country Link
US (1) US8704941B2 (enExample)
JP (1) JP5789098B2 (enExample)
CN (1) CN102566005B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5954336B2 (ja) * 2011-12-13 2016-07-20 ソニー株式会社 画像処理装置、画像処理方法、及び記録媒体
US9025881B2 (en) * 2012-02-06 2015-05-05 Nanyang Technological University Methods and apparatus for recovering phase and amplitude from intensity images
JP2014106476A (ja) 2012-11-29 2014-06-09 Canon Inc 焦点検出装置、撮像装置、撮像システム、焦点検出方法、プログラム、および、記憶媒体
FR2999729B1 (fr) * 2012-12-14 2015-01-16 Astrium Sas Mise au point optique d'un instrument de saisie d'image
CN104662397B (zh) * 2013-07-31 2017-06-27 松下电器（美国）知识产权公司 传感器组件
CN104181767B (zh) * 2014-08-26 2017-03-08 小米科技有限责任公司 测试焦距的方法及装置
US9769371B1 (en) * 2014-09-09 2017-09-19 Amazon Technologies, Inc. Phase detect auto-focus
CN105549301B (zh) * 2016-02-29 2018-02-27 广东欧珀移动通信有限公司 控制方法、控制装置及电子装置
JP6690354B2 (ja) * 2016-03-28 2020-04-28 富士ゼロックス株式会社 光学装置、画像読取装置
JP2019074640A (ja) * 2017-10-16 2019-05-16 キヤノン株式会社 撮像装置及びその制御方法、並びにプログラム
KR102025012B1 (ko) * 2018-05-08 2019-09-24 재단법인 다차원 스마트 아이티 융합시스템 연구단 멀티 픽셀 마이크로 렌즈 픽셀 어레이와 컬러 믹스 문제를 해결하기 위한 카메라 시스템 및 그 동작 방법
CN114062489A (zh) * 2020-08-06 2022-02-18 宝山钢铁股份有限公司 一种平整辊辊颈裂纹深度的分级式监测方法
JP2023152164A (ja) * 2022-04-01 2023-10-16 ソニーセミコンダクタソリューションズ株式会社 測距装置

Citations (3)

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Publication number Priority date Publication date Assignee Title
US5721977A (en) * 1996-01-19 1998-02-24 Minolta Co., Ltd. Distance measuring apparatus of camera improved in measuring process
US5940634A (en) * 1996-11-27 1999-08-17 Minolta Co., Ltd. Range finding device
CN100581220C (zh) * 2006-07-25 2010-01-13 佳能株式会社 摄像设备和摄像设备的调焦控制方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62163008A (ja) * 1986-01-13 1987-07-18 Minolta Camera Co Ltd 焦点検出装置
JP3290361B2 (ja) * 1996-09-30 2002-06-10 京セラ株式会社 カメラの測距装置
JPH11316336A (ja) * 1998-03-03 1999-11-16 Fuji Electric Co Ltd 測距方法
JP4817552B2 (ja) * 2001-08-10 2011-11-16 セイコープレシジョン株式会社 位相差検出方法、位相差検出装置、測距装置および撮像装置
JP2003098421A (ja) 2001-09-20 2003-04-03 Canon Inc カメラの多点測距装置及びカメラ
EP1426732A1 (en) * 2002-11-29 2004-06-09 Seiko Precision Inc. Angle detection apparatus, projector including the same, and angle detection method
JP2004347911A (ja) 2003-05-23 2004-12-09 Seiko Precision Inc プロジェクタ及び自動焦点調節方法
JP4632640B2 (ja) * 2003-08-15 2011-02-16 富士フイルム株式会社 測距装置
JP2005147959A (ja) 2003-11-18 2005-06-09 Seiko Precision Inc 測距方法及び測距装置
JP4967992B2 (ja) * 2007-10-30 2012-07-04 株式会社ニコン 画像認識装置及び焦点検出装置並びに撮像装置
JP5390871B2 (ja) 2009-01-26 2014-01-15 キヤノン株式会社 撮像装置、その制御方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5721977A (en) * 1996-01-19 1998-02-24 Minolta Co., Ltd. Distance measuring apparatus of camera improved in measuring process
US5940634A (en) * 1996-11-27 1999-08-17 Minolta Co., Ltd. Range finding device
CN100581220C (zh) * 2006-07-25 2010-01-13 佳能株式会社 摄像设备和摄像设备的调焦控制方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP特开2004-347911A 2004.12.09
JP特开2005-147959A 2005.06.09
JP特开2010-170042A 2010.08.05

Also Published As

Publication number Publication date
JP2012128278A (ja) 2012-07-05
CN102566005A (zh) 2012-07-11
JP5789098B2 (ja) 2015-10-07
US20120154667A1 (en) 2012-06-21
US8704941B2 (en) 2014-04-22

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Granted publication date: 20141022

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