CN102687052B - 照相机、焦点检测方法和控制方法 - Google Patents

照相机、焦点检测方法和控制方法 Download PDF

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Publication number
CN102687052B
CN102687052B CN201080059329.5A CN201080059329A CN102687052B CN 102687052 B CN102687052 B CN 102687052B CN 201080059329 A CN201080059329 A CN 201080059329A CN 102687052 B CN102687052 B CN 102687052B
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CN
China
Prior art keywords
focus detection
focus
unit
imaging
detection unit
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
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CN201080059329.5A
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English (en)
Chinese (zh)
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CN102687052A (zh
Inventor
山崎亮
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Canon Inc
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Canon Inc
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Publication date
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Publication of CN102687052A publication Critical patent/CN102687052A/zh
Application granted granted Critical
Publication of CN102687052B publication Critical patent/CN102687052B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals
    • G02B7/285Systems for automatic generation of focusing signals including two or more different focus detection devices, e.g. both an active and a passive focus detecting device
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals
    • G02B7/34Systems for automatic generation of focusing signals using different areas in a pupil plane
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals
    • G02B7/36Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B13/00Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18Focusing aids
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B13/00Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32Means for focusing
    • G03B13/34Power focusing
    • G03B13/36Autofocus systems
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/02Bodies
    • G03B17/12Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B3/00Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10Power-operated focusing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • H04N23/672Focus control based on electronic image sensor signals based on the phase difference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • H04N23/673Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
CN201080059329.5A 2009-12-22 2010-11-25 照相机、焦点检测方法和控制方法 Expired - Fee Related CN102687052B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009290246A JP5653035B2 (ja) 2009-12-22 2009-12-22 撮像装置、焦点検出方法、および制御方法
JP2009-290246 2009-12-22
PCT/JP2010/006872 WO2011077639A1 (en) 2009-12-22 2010-11-25 Camera

Publications (2)

Publication Number Publication Date
CN102687052A CN102687052A (zh) 2012-09-19
CN102687052B true CN102687052B (zh) 2014-08-20

Family

ID=44195193

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201080059329.5A Expired - Fee Related CN102687052B (zh) 2009-12-22 2010-11-25 照相机、焦点检测方法和控制方法

Country Status (6)

Country Link
US (1) US8736745B2 (https=)
EP (1) EP2517063A4 (https=)
JP (1) JP5653035B2 (https=)
KR (1) KR101395015B1 (https=)
CN (1) CN102687052B (https=)
WO (1) WO2011077639A1 (https=)

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JP2014029353A (ja) * 2012-07-31 2014-02-13 Sony Corp 焦点調整装置および焦点調整方法
JP5930999B2 (ja) 2013-04-05 2016-06-08 キヤノン株式会社 撮像装置、撮像システム、レンズユニット、撮像装置の制御方法、およびレンズユニットの制御方法
JP6366230B2 (ja) 2013-06-27 2018-08-01 キヤノン株式会社 撮像装置、その制御方法、および制御プログラム
JP6288968B2 (ja) 2013-07-19 2018-03-07 キヤノン株式会社 自動焦点調整制御装置及びそれを有するレンズ装置、撮像装置
ES2674094T3 (es) 2013-12-16 2018-06-27 Pride Mobility Products Corporation Silla de ruedas de altura elevada
JP6478457B2 (ja) * 2014-01-23 2019-03-06 キヤノン株式会社 焦点調節装置及び焦点調節方法
JP6457740B2 (ja) * 2014-05-13 2019-01-23 キヤノン株式会社 撮像装置及びその制御方法、レンズユニット、撮像システム
JP6298362B2 (ja) * 2014-06-02 2018-03-20 キヤノン株式会社 撮像装置及びその制御方法、及び撮像システム
JP6543916B2 (ja) * 2014-11-07 2019-07-17 株式会社ニコン 交換レンズおよび撮像装置
JP6801658B2 (ja) * 2015-07-31 2020-12-16 ソニー株式会社 撮像装置、撮像方法、及びプログラム
EP4467117A3 (en) 2016-02-27 2025-03-05 Pride Mobility Products Corporation Adjustable height wheelchair
US10491799B2 (en) * 2016-06-17 2019-11-26 Canon Kabushiki Kaisha Focus detection apparatus, focus control apparatus, image capturing apparatus, focus detection method, and storage medium
CN106534666A (zh) * 2016-10-11 2017-03-22 广东欧珀移动通信有限公司 相位对焦方法、装置及终端设备
JP6395790B2 (ja) * 2016-11-18 2018-09-26 キヤノン株式会社 撮像装置、撮像装置の制御方法およびフォーカス制御プログラム
JP6508267B2 (ja) * 2017-08-17 2019-05-08 株式会社ニコン 交換レンズ
JP7118702B2 (ja) * 2018-04-02 2022-08-16 キヤノン株式会社 レンズ装置、撮像装置、カメラシステム、補正値決定方法およびプログラム
KR102628415B1 (ko) 2018-06-01 2024-01-23 한화비전 주식회사 감시 시스템 및 그 동작 방법

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CN100474025C (zh) * 2006-03-15 2009-04-01 奥林巴斯映像株式会社 焦点调节装置及照相机
JP2009139728A (ja) * 2007-12-07 2009-06-25 Canon Inc 制御装置
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US6453124B2 (en) * 2000-03-27 2002-09-17 Minolta Co., Ltd. Digital camera
CN100339759C (zh) * 2002-12-06 2007-09-26 佳能株式会社 照相机的自动调焦装置及其控制方法
CN100474025C (zh) * 2006-03-15 2009-04-01 奥林巴斯映像株式会社 焦点调节装置及照相机
JP2009139728A (ja) * 2007-12-07 2009-06-25 Canon Inc 制御装置
CN101472071A (zh) * 2007-12-25 2009-07-01 奥林巴斯映像株式会社 摄影装置以及焦点检测装置

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Also Published As

Publication number Publication date
WO2011077639A1 (en) 2011-06-30
JP5653035B2 (ja) 2015-01-14
CN102687052A (zh) 2012-09-19
US20120274837A1 (en) 2012-11-01
JP2011133521A (ja) 2011-07-07
KR101395015B1 (ko) 2014-05-15
US8736745B2 (en) 2014-05-27
EP2517063A4 (en) 2017-12-20
KR20120093380A (ko) 2012-08-22
EP2517063A1 (en) 2012-10-31

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Granted publication date: 20140820

Termination date: 20171125