DE602006020513D1 - Automatische Scharfstellung für Bildsensoren - Google Patents

Automatische Scharfstellung für Bildsensoren

Info

Publication number
DE602006020513D1
DE602006020513D1 DE602006020513T DE602006020513T DE602006020513D1 DE 602006020513 D1 DE602006020513 D1 DE 602006020513D1 DE 602006020513 T DE602006020513 T DE 602006020513T DE 602006020513 T DE602006020513 T DE 602006020513T DE 602006020513 D1 DE602006020513 D1 DE 602006020513D1
Authority
DE
Germany
Prior art keywords
optical system
focus
lens driving
image sensors
driving apparatus
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.)
Active
Application number
DE602006020513T
Other languages
English (en)
Inventor
Xiaolin Huang
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.)
Omnivision Technologies Inc
Original Assignee
Omnivision Technologies 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 Omnivision Technologies Inc filed Critical Omnivision Technologies Inc
Publication of DE602006020513D1 publication Critical patent/DE602006020513D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
DE602006020513T 2005-01-26 2006-01-25 Automatische Scharfstellung für Bildsensoren Active DE602006020513D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/044,137 US7589781B2 (en) 2005-01-26 2005-01-26 Automatic focus for image sensors

Publications (1)

Publication Number Publication Date
DE602006020513D1 true DE602006020513D1 (de) 2011-04-21

Family

ID=36127909

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006020513T Active DE602006020513D1 (de) 2005-01-26 2006-01-25 Automatische Scharfstellung für Bildsensoren

Country Status (6)

Country Link
US (1) US7589781B2 (de)
EP (1) EP1686793B1 (de)
CN (1) CN1825906B (de)
AT (1) ATE501592T1 (de)
DE (1) DE602006020513D1 (de)
TW (1) TWI325087B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080266310A1 (en) * 2006-03-31 2008-10-30 Kayla Chalmers System and method for multiple color format spatial scaling
US8238681B2 (en) * 2008-11-25 2012-08-07 Nokia Corporation Adaptive configuration of windows-of-interest for accurate and robust focusing in multispot autofocus cameras
NO330275B1 (no) * 2008-12-19 2011-03-21 Tandberg Telecom As Fremgangsmate i en videokodings-/-dekodingsprosess
TWI463415B (zh) * 2009-03-06 2014-12-01 Omnivision Tech Inc 以物件為基礎之光學字元辨識之預處理演算法
JP5951211B2 (ja) * 2011-10-04 2016-07-13 オリンパス株式会社 合焦制御装置及び内視鏡装置
CN105763802B (zh) * 2016-02-29 2019-03-01 Oppo广东移动通信有限公司 控制方法、控制装置及电子装置
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 (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928170A (en) 1988-06-21 1990-05-22 Visualtek, Inc. Automatic focus control for an image magnification system
US20050083428A1 (en) * 1995-03-17 2005-04-21 Hiroto Ohkawara Image pickup apparatus
US5644519A (en) 1995-04-07 1997-07-01 Motorola, Inc. Method and apparatus for a multiply and accumulate circuit having a dynamic saturation range
US6563543B1 (en) 1998-03-31 2003-05-13 Hewlett-Packard Development Company, L.P. Digital camera and method of using same
US6151415A (en) 1998-12-14 2000-11-21 Intel Corporation Auto-focusing algorithm using discrete wavelet transform
JP3649043B2 (ja) * 1999-06-07 2005-05-18 セイコーエプソン株式会社 画像表示装置及び方法、並びに、画像処理装置及び方法
US6441855B1 (en) 2000-05-09 2002-08-27 Eastman Kodak Company Focusing device
JP3666429B2 (ja) * 2001-09-03 2005-06-29 コニカミノルタフォトイメージング株式会社 オートフォーカス装置及び方法、並びにカメラ
JP4281311B2 (ja) 2001-09-11 2009-06-17 セイコーエプソン株式会社 被写体情報を用いた画像処理
US7158182B2 (en) * 2001-09-28 2007-01-02 Nikon Corporation Camera that engages in a focusing operation through a contrast method
US7187413B2 (en) 2002-07-25 2007-03-06 Lockheed Martin Corporation Method and system for using an image based autofocus algorithm
JP4143394B2 (ja) 2002-12-13 2008-09-03 キヤノン株式会社 オートフォーカス装置
JP4647885B2 (ja) * 2003-02-17 2011-03-09 株式会社ニコン カメラ
JP3867687B2 (ja) * 2003-07-08 2007-01-10 コニカミノルタフォトイメージング株式会社 撮像装置
JP4532865B2 (ja) * 2003-09-09 2010-08-25 キヤノン株式会社 撮像装置および撮像装置のフォーカス制御方法
JP5464771B2 (ja) * 2003-10-15 2014-04-09 キヤノン株式会社 撮像装置およびそのフォーカス制御方法
US20050212950A1 (en) * 2004-03-26 2005-09-29 Chinon Kabushiki Kaisha Focal length detecting method, focusing device, image capturing method and image capturing apparatus

Also Published As

Publication number Publication date
CN1825906B (zh) 2011-06-29
ATE501592T1 (de) 2011-03-15
CN1825906A (zh) 2006-08-30
TWI325087B (en) 2010-05-21
EP1686793B1 (de) 2011-03-09
EP1686793A1 (de) 2006-08-02
TW200627047A (en) 2006-08-01
US7589781B2 (en) 2009-09-15
US20060164934A1 (en) 2006-07-27

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