JP4532865B2 - 撮像装置および撮像装置のフォーカス制御方法 - Google Patents

撮像装置および撮像装置のフォーカス制御方法 Download PDF

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Publication number
JP4532865B2
JP4532865B2 JP2003317294A JP2003317294A JP4532865B2 JP 4532865 B2 JP4532865 B2 JP 4532865B2 JP 2003317294 A JP2003317294 A JP 2003317294A JP 2003317294 A JP2003317294 A JP 2003317294A JP 4532865 B2 JP4532865 B2 JP 4532865B2
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Japan
Prior art keywords
focus
control
amount
shift
evaluation value
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Expired - Fee Related
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JP2003317294A
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English (en)
Japanese (ja)
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JP2005084424A5 (enExample
JP2005084424A (ja
Inventor
和憲 石井
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Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2003317294A priority Critical patent/JP4532865B2/ja
Priority to US10/936,250 priority patent/US7602435B2/en
Priority to CNB200410077007XA priority patent/CN1291261C/zh
Publication of JP2005084424A publication Critical patent/JP2005084424A/ja
Publication of JP2005084424A5 publication Critical patent/JP2005084424A5/ja
Application granted granted Critical
Publication of JP4532865B2 publication Critical patent/JP4532865B2/ja
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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
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • H04N23/95—Computational photography systems, e.g. light-field imaging systems
    • H04N23/958—Computational photography systems, e.g. light-field imaging systems for extended depth of field imaging
    • H04N23/959—Computational photography systems, e.g. light-field imaging systems for extended depth of field imaging by adjusting depth of field during image capture, e.g. maximising or setting range based on scene characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Studio Devices (AREA)
  • Lens Barrels (AREA)
JP2003317294A 2003-09-09 2003-09-09 撮像装置および撮像装置のフォーカス制御方法 Expired - Fee Related JP4532865B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003317294A JP4532865B2 (ja) 2003-09-09 2003-09-09 撮像装置および撮像装置のフォーカス制御方法
US10/936,250 US7602435B2 (en) 2003-09-09 2004-09-08 Image-taking apparatus and focus control program for image-taking apparatus
CNB200410077007XA CN1291261C (zh) 2003-09-09 2004-09-09 摄像装置和摄像装置的聚焦控制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003317294A JP4532865B2 (ja) 2003-09-09 2003-09-09 撮像装置および撮像装置のフォーカス制御方法

Publications (3)

Publication Number Publication Date
JP2005084424A JP2005084424A (ja) 2005-03-31
JP2005084424A5 JP2005084424A5 (enExample) 2006-10-26
JP4532865B2 true JP4532865B2 (ja) 2010-08-25

Family

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Family Applications (1)

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JP2003317294A Expired - Fee Related JP4532865B2 (ja) 2003-09-09 2003-09-09 撮像装置および撮像装置のフォーカス制御方法

Country Status (3)

Country Link
US (1) US7602435B2 (enExample)
JP (1) JP4532865B2 (enExample)
CN (1) CN1291261C (enExample)

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JP4444927B2 (ja) * 2006-03-30 2010-03-31 富士フイルム株式会社 測距装置及び方法
JP4994733B2 (ja) * 2006-07-24 2012-08-08 キヤノン株式会社 自動焦点調節装置および撮像装置
JP5094068B2 (ja) * 2006-07-25 2012-12-12 キヤノン株式会社 撮像装置及びフォーカス制御方法
JP5247044B2 (ja) * 2007-02-16 2013-07-24 キヤノン株式会社 撮像装置
JP5427024B2 (ja) * 2009-12-25 2014-02-26 キヤノン株式会社 撮像装置、撮像装置の制御方法及びプログラム
JP5604160B2 (ja) * 2010-04-09 2014-10-08 パナソニック株式会社 撮像装置
JP5379739B2 (ja) * 2010-04-30 2013-12-25 キヤノン株式会社 レンズ装置
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KR101653273B1 (ko) * 2010-09-13 2016-09-01 삼성전자주식회사 초점 조절 장치
JP5743514B2 (ja) * 2010-12-08 2015-07-01 キヤノン株式会社 撮像装置、その制御方法およびプログラム
JP5800498B2 (ja) * 2010-12-17 2015-10-28 キヤノン株式会社 自動焦点調整装置およびそれを有するレンズ装置
JP5709532B2 (ja) * 2011-01-05 2015-04-30 キヤノン株式会社 自動合焦装置及びそれを有するレンズ装置及び撮像システム
JP2012173531A (ja) * 2011-02-22 2012-09-10 Sony Corp 撮像装置、およびフォーカス制御方法、並びにプログラム
CN103430073B (zh) * 2011-03-31 2014-12-31 富士胶片株式会社 摄像装置及摄像装置的控制方法
JP5941327B2 (ja) * 2012-04-05 2016-06-29 キヤノン株式会社 ２つの撮影装置を含む撮影システム、該撮影システムの制御装置、撮影装置、レンズ装置
JP6202880B2 (ja) * 2013-05-20 2017-09-27 キヤノン株式会社 撮像装置、撮像システム、撮像装置の制御方法、プログラム、および、記憶媒体
JP6238578B2 (ja) * 2013-06-05 2017-11-29 キヤノン株式会社 撮像装置およびその制御方法
JP2016015009A (ja) * 2014-07-02 2016-01-28 ソニー株式会社 情報処理システム、情報処理端末、および情報処理方法
CN107664899B (zh) * 2017-10-19 2020-07-07 广东顺德工业设计研究院(广东顺德创新设计研究院) 自动对焦的方法、装置以及系统
CN110166654B (zh) * 2018-02-10 2022-06-28 宁波舜宇光电信息有限公司 一体式阵列摄像模组和阵列感光组件及其制造模具、制造方法和电子设备
JP6673400B2 (ja) * 2018-06-06 2020-03-25 株式会社ニコン 焦点検出装置及び撮像装置

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Also Published As

Publication number Publication date
US20050052564A1 (en) 2005-03-10
JP2005084424A (ja) 2005-03-31
US7602435B2 (en) 2009-10-13
CN1595219A (zh) 2005-03-16
CN1291261C (zh) 2006-12-20

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