CN101672974B - 自动聚焦装置及其控制方法 - Google Patents

自动聚焦装置及其控制方法 Download PDF

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Publication number
CN101672974B
CN101672974B CN200910169438.1A CN200910169438A CN101672974B CN 101672974 B CN101672974 B CN 101672974B CN 200910169438 A CN200910169438 A CN 200910169438A CN 101672974 B CN101672974 B CN 101672974B
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CN
China
Prior art keywords
focus
lens
focus lens
signal
focusing
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
CN200910169438.1A
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English (en)
Chinese (zh)
Other versions
CN101672974A (zh
Inventor
荻野宏幸
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 CN201310088659.2A priority Critical patent/CN103207441B/zh
Publication of CN101672974A publication Critical patent/CN101672974A/zh
Application granted granted Critical
Publication of CN101672974B publication Critical patent/CN101672974B/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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • 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
    • G02B7/282—Autofocusing of zoom lenses
    • 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
    • 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
    • H04N23/61—Control of cameras or camera modules based on recognised objects
    • 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
    • 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
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
    • H04N23/635—Region indicators; Field of view indicators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
CN200910169438.1A 2008-09-13 2009-09-09 自动聚焦装置及其控制方法 Expired - Fee Related CN101672974B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310088659.2A CN103207441B (zh) 2008-09-13 2009-09-09 自动聚焦装置及其控制方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008235786 2008-09-13
JP2008-235786 2008-09-13
JP2008235786A JP5408936B2 (ja) 2008-09-13 2008-09-13 自動焦点調節装置、自動焦点調節装置の制御方法及び焦点調節制御プログラム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201310088659.2A Division CN103207441B (zh) 2008-09-13 2009-09-09 自动聚焦装置及其控制方法

Publications (2)

Publication Number Publication Date
CN101672974A CN101672974A (zh) 2010-03-17
CN101672974B true CN101672974B (zh) 2014-09-24

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
CN200910169438.1A Expired - Fee Related CN101672974B (zh) 2008-09-13 2009-09-09 自动聚焦装置及其控制方法
CN201310088659.2A Expired - Fee Related CN103207441B (zh) 2008-09-13 2009-09-09 自动聚焦装置及其控制方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201310088659.2A Expired - Fee Related CN103207441B (zh) 2008-09-13 2009-09-09 自动聚焦装置及其控制方法

Country Status (3)

Country Link
US (1) US8521015B2 (https=)
JP (1) JP5408936B2 (https=)
CN (2) CN101672974B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207441A (zh) * 2008-09-13 2013-07-17 佳能株式会社 自动聚焦装置及其控制方法

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JP5621325B2 (ja) * 2010-05-28 2014-11-12 ソニー株式会社 焦点制御装置、焦点制御方法、レンズ装置、フォーカスレンズ駆動方法、および、プログラム
KR101710633B1 (ko) 2011-08-05 2017-02-27 삼성전자주식회사 자동 초점 조절 방법, 자동 초점 조절 장치, 및 이를 포함하는 디지털 촬영장치
JP5325966B2 (ja) * 2011-11-25 2013-10-23 オリンパス株式会社 撮像装置及び撮像方法
US9784577B2 (en) * 2012-03-16 2017-10-10 Lg Innotek Co., Ltd. Measuring distance from object by using size of pattern projected onto object
CN103424978A (zh) * 2012-05-15 2013-12-04 鸿富锦精密工业（深圳）有限公司 相机模组测试系统及方法
US9621780B2 (en) 2012-10-04 2017-04-11 Nvidia Corporation Method and system of curve fitting for common focus measures
US9392158B2 (en) * 2012-10-04 2016-07-12 Nvidia Corporation Method and system for intelligent dynamic autofocus search
CN102891966B (zh) * 2012-10-29 2015-07-01 珠海全志科技股份有限公司 数码成像设备的对焦方法及装置
JP6489817B2 (ja) * 2014-12-10 2019-03-27 キヤノン株式会社 撮像装置及びその制御方法
CN104796616A (zh) * 2015-04-27 2015-07-22 惠州Tcl移动通信有限公司 一种基于移动终端距离传感器的对焦方法及对焦系统
JP6474693B2 (ja) * 2015-06-19 2019-02-27 オリンパス株式会社 焦点検出装置、焦点検出方法、および記録媒体
CN105872363A (zh) * 2016-03-28 2016-08-17 广东欧珀移动通信有限公司 人脸对焦清晰度的调整方法及调整装置
JP6752681B2 (ja) * 2016-10-19 2020-09-09 キヤノン株式会社 表示制御装置、表示制御装置の制御方法及びプログラム並びに記憶媒体
CN106773100A (zh) * 2017-01-09 2017-05-31 成都曙光光纤网络有限责任公司 一种适用于透射式太赫兹波系统的自动对焦装置和方法
CN107748428A (zh) * 2017-10-18 2018-03-02 歌尔股份有限公司 屏幕检测自动对焦方法及装置
DE102018114388A1 (de) * 2018-06-15 2019-12-19 Valeo Schalter Und Sensoren Gmbh Verfahren zur Steuerung einer Antriebseinrichtung eines Mikroschwingspiegels, Steuervorrichtung und Umlenkspiegeleinrichtung
JP7346135B2 (ja) * 2019-07-30 2023-09-19 キヤノン株式会社 電子機器、電子機器の制御方法、プログラムおよび記憶媒体
WO2021244550A1 (zh) * 2020-06-01 2021-12-09 王浩 自动聚焦装置和聚焦方法
CN113358056B (zh) * 2021-05-31 2023-06-27 深圳中科飞测科技股份有限公司 工件表面形貌的扫描方法、扫描系统及存储介质
CN115442512B (zh) * 2021-06-04 2024-09-06 北京小米移动软件有限公司 对焦控制方法、装置、终端及存储介质
CN115835015A (zh) * 2022-11-14 2023-03-21 中国科学院长春光学精密机械与物理研究所 一种去除调焦空回的航天相机调焦方法

Citations (1)

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CN1091523A (zh) * 1992-10-09 1994-08-31 三星电子株式会社 用于自动变焦的目标跟踪方法及其装置

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JPH11326744A (ja) * 1998-05-18 1999-11-26 Minolta Co Ltd オートフォーカスカメラ
JP3851027B2 (ja) * 1999-08-27 2006-11-29 株式会社リコー オートフォーカス装置およびカメラ
JP4689051B2 (ja) * 2001-01-19 2011-05-25 キヤノン株式会社 焦点調節装置
JP3797543B2 (ja) * 2001-10-26 2006-07-19 富士写真フイルム株式会社 自動焦点調節装置
JP2003156679A (ja) * 2001-11-22 2003-05-30 Minolta Co Ltd 焦点検出装置
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JP2003329916A (ja) * 2002-05-14 2003-11-19 Canon Inc 撮像装置、撮像方法、記録媒体及びプログラム
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JP4555255B2 (ja) 2006-05-15 2010-09-29 株式会社リコー 自動合焦装置、デジタルカメラ、携帯情報入力装置、合焦位置検出方法、およびコンピュータが読取可能な記録媒体
JP5408936B2 (ja) * 2008-09-13 2014-02-05 キヤノン株式会社 自動焦点調節装置、自動焦点調節装置の制御方法及び焦点調節制御プログラム
JP5376986B2 (ja) * 2009-02-17 2013-12-25 キヤノン株式会社 焦点調節装置、及び焦点調節方法

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CN1091523A (zh) * 1992-10-09 1994-08-31 三星电子株式会社 用于自动变焦的目标跟踪方法及其装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207441A (zh) * 2008-09-13 2013-07-17 佳能株式会社 自动聚焦装置及其控制方法

Also Published As

Publication number Publication date
CN101672974A (zh) 2010-03-17
CN103207441B (zh) 2016-03-02
JP5408936B2 (ja) 2014-02-05
US8521015B2 (en) 2013-08-27
CN103207441A (zh) 2013-07-17
JP2010066737A (ja) 2010-03-25
US20100067890A1 (en) 2010-03-18

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