JP4516035B2 - 合焦位置決定方法および装置 - Google Patents

合焦位置決定方法および装置 Download PDF

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Publication number
JP4516035B2
JP4516035B2 JP2006032088A JP2006032088A JP4516035B2 JP 4516035 B2 JP4516035 B2 JP 4516035B2 JP 2006032088 A JP2006032088 A JP 2006032088A JP 2006032088 A JP2006032088 A JP 2006032088A JP 4516035 B2 JP4516035 B2 JP 4516035B2
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JP
Japan
Prior art keywords
evaluation value
focus
frequency
image
focus evaluation
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
JP2006032088A
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English (en)
Japanese (ja)
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JP2007212724A (ja
JP2007212724A5 (enExample
Inventor
晃治 古林
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.)
Fujifilm Corp
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Fujifilm Corp
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Publication date
Application filed by Fujifilm Corp filed Critical Fujifilm Corp
Priority to JP2006032088A priority Critical patent/JP4516035B2/ja
Priority to US11/704,238 priority patent/US7609319B2/en
Publication of JP2007212724A publication Critical patent/JP2007212724A/ja
Publication of JP2007212724A5 publication Critical patent/JP2007212724A5/ja
Application granted granted Critical
Publication of JP4516035B2 publication Critical patent/JP4516035B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
JP2006032088A 2006-02-09 2006-02-09 合焦位置決定方法および装置 Expired - Fee Related JP4516035B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006032088A JP4516035B2 (ja) 2006-02-09 2006-02-09 合焦位置決定方法および装置
US11/704,238 US7609319B2 (en) 2006-02-09 2007-02-09 Method and apparatus for determining focusing position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006032088A JP4516035B2 (ja) 2006-02-09 2006-02-09 合焦位置決定方法および装置

Publications (3)

Publication Number Publication Date
JP2007212724A JP2007212724A (ja) 2007-08-23
JP2007212724A5 JP2007212724A5 (enExample) 2009-08-27
JP4516035B2 true JP4516035B2 (ja) 2010-08-04

Family

ID=38491224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006032088A Expired - Fee Related JP4516035B2 (ja) 2006-02-09 2006-02-09 合焦位置決定方法および装置

Country Status (2)

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US (1) US7609319B2 (enExample)
JP (1) JP4516035B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5374065B2 (ja) 2008-04-07 2013-12-25 キヤノン株式会社 撮像装置及びその制御方法
US8717490B2 (en) * 2009-06-19 2014-05-06 Casio Computer Co., Ltd Imaging apparatus, focusing method, and computer-readable recording medium recording program
US8760563B2 (en) 2010-10-19 2014-06-24 Hand Held Products, Inc. Autofocusing optical imaging device
US8692927B2 (en) 2011-01-19 2014-04-08 Hand Held Products, Inc. Imaging terminal having focus control
US9046414B2 (en) * 2012-09-21 2015-06-02 Google Inc. Selectable lens button for a hazard detector and method therefor
JP6482247B2 (ja) * 2014-11-14 2019-03-13 キヤノン株式会社 焦点調節装置、撮像装置、焦点調節装置の制御方法、及びプログラム
US10506316B2 (en) * 2016-02-26 2019-12-10 Cordell Eldred Ebeling Outlet receptacle cover and mode throttling system
US11082606B1 (en) * 2018-09-11 2021-08-03 Apple Inc. Method and system for robust contrast based auto focus in low light

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60143068A (ja) * 1983-12-29 1985-07-29 Matsushita Electric Ind Co Ltd 自動焦点整合装置
KR970010205B1 (ko) * 1988-05-11 1997-06-23 상요 덴기 가부시끼가이샤 영상 신호에 기초하여 초점의 자동 정합을 행하는 오토포커스 기능을 구비한 촬상장치
US6249317B1 (en) * 1990-08-01 2001-06-19 Minolta Co., Ltd. Automatic exposure control apparatus
JP3180486B2 (ja) 1993-01-06 2001-06-25 松下電器産業株式会社 自動焦点調節装置およびビデオカメラ
JPH0875997A (ja) 1994-09-07 1996-03-22 Nikon Corp 焦点検出装置
JPH09243906A (ja) * 1996-03-05 1997-09-19 Eastman Kodak Japan Kk 自動焦点合わせ装置および自動焦点合わせ方法
US5842059A (en) 1996-07-22 1998-11-24 Canon Kabushiki Kaisha Automatic focus adjusting device
JP3715722B2 (ja) * 1996-07-22 2005-11-16 キヤノン株式会社 自動焦点調節装置および方法
JP2002334325A (ja) 2001-05-11 2002-11-22 Matsushita Electric Ind Co Ltd 認証対象撮像方法及びその装置
JP2003107335A (ja) 2001-09-28 2003-04-09 Ricoh Co Ltd 撮像装置、自動合焦方法、およびその方法をコンピュータが実行するためのプログラム
US7391461B2 (en) * 2002-03-06 2008-06-24 Canon Kabushiki Kaisha Apparatus, method and control computer program for imaging a plurality of objects at different distances
JP2004320286A (ja) 2003-04-15 2004-11-11 Nikon Gijutsu Kobo:Kk デジタルカメラ
JP2004325517A (ja) 2003-04-21 2004-11-18 Nikon Corp 撮像装置
JP2005173396A (ja) * 2003-12-12 2005-06-30 Canon Inc 撮像装置及び焦点検出方法及びプログラム及び記憶媒体

Also Published As

Publication number Publication date
US20080012949A1 (en) 2008-01-17
JP2007212724A (ja) 2007-08-23
US7609319B2 (en) 2009-10-27

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