TW200742923A - Method of auto focus - Google Patents

Method of auto focus

Info

Publication number
TW200742923A
TW200742923A TW095116719A TW95116719A TW200742923A TW 200742923 A TW200742923 A TW 200742923A TW 095116719 A TW095116719 A TW 095116719A TW 95116719 A TW95116719 A TW 95116719A TW 200742923 A TW200742923 A TW 200742923A
Authority
TW
Taiwan
Prior art keywords
sensing unit
image plane
auto focus
depth
field
Prior art date
Application number
TW095116719A
Other languages
English (en)
Chinese (zh)
Other versions
TWI305602B (enExample
Inventor
dong-ying Wu
Original Assignee
Asia Optical Co 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 Asia Optical Co Inc filed Critical Asia Optical Co Inc
Priority to TW095116719A priority Critical patent/TW200742923A/zh
Priority to US11/796,088 priority patent/US7800685B2/en
Publication of TW200742923A publication Critical patent/TW200742923A/zh
Application granted granted Critical
Publication of TWI305602B publication Critical patent/TWI305602B/zh

Links

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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • 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
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/675—Focus control based on electronic image sensor signals comprising setting of focusing regions
    • 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)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Lens Barrels (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
TW095116719A 2006-05-11 2006-05-11 Method of auto focus TW200742923A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW095116719A TW200742923A (en) 2006-05-11 2006-05-11 Method of auto focus
US11/796,088 US7800685B2 (en) 2006-05-11 2007-04-26 Method of auto focus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW095116719A TW200742923A (en) 2006-05-11 2006-05-11 Method of auto focus

Publications (2)

Publication Number Publication Date
TW200742923A true TW200742923A (en) 2007-11-16
TWI305602B TWI305602B (enExample) 2009-01-21

Family

ID=38821526

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095116719A TW200742923A (en) 2006-05-11 2006-05-11 Method of auto focus

Country Status (2)

Country Link
US (1) US7800685B2 (enExample)
TW (1) TW200742923A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107241473A (zh) * 2017-07-31 2017-10-10 广东欧珀移动通信有限公司 摄像头模组及电子设备

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4906609B2 (ja) 2007-06-29 2012-03-28 キヤノン株式会社 撮像装置および方法
JP5535080B2 (ja) * 2008-10-30 2014-07-02 パナソニック株式会社 カメラシステム
EP2461198A3 (en) * 2010-12-01 2017-03-08 BlackBerry Limited Apparatus, and associated method, for a camera module of electronic device
JP5769979B2 (ja) * 2011-02-14 2015-08-26 株式会社シグマ バックラッシュ補正機能を有するカメラ又はカメラシステム
KR20130007886A (ko) * 2011-07-11 2013-01-21 삼성전자주식회사 화상형성장치, 모터 제어 장치 및 그 모터 제어 방법
TWI459113B (zh) * 2012-03-19 2014-11-01 Altek Corp 攝像裝置及其鏡頭致動裝置及鏡頭致動方法
CN108303834B (zh) 2012-05-17 2022-02-08 Lg伊诺特有限公司 相机模块以及用于对相机模块进行自动调焦的方法
JP6171273B2 (ja) * 2012-06-21 2017-08-02 リコーイメージング株式会社 オートフォーカス装置およびデジタルカメラ
CN106303205A (zh) * 2015-06-12 2017-01-04 中兴通讯股份有限公司 对焦区域调整方法和装置
CN113126394A (zh) * 2021-04-23 2021-07-16 深圳市爱派赛科技有限公司 一种应用于移动终端的可切换式双镜头

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107241473A (zh) * 2017-07-31 2017-10-10 广东欧珀移动通信有限公司 摄像头模组及电子设备

Also Published As

Publication number Publication date
TWI305602B (enExample) 2009-01-21
US7800685B2 (en) 2010-09-21
US20070285557A1 (en) 2007-12-13

Similar Documents

Publication Publication Date Title
WO2013022235A3 (en) Auto focus adjusting method, auto focus adjusting apparatus, and digital photographing apparatus including the same
GB2506084A (en) Image pickup apparatus,control method thereof, and program
WO2008027316A3 (en) Auto-focusing method for an automatic data collection device
TW200628868A (en) Image inspection system for correcting focal position in autofocusing
TW200742923A (en) Method of auto focus
EP2615822A3 (en) Imaging apparatus and controlling method therefor, and lens unit and controlling method therefor, and imaging system
EP4372682A3 (en) Head mounted eye tracking device and method for providing drift free eye tracking through a lens system
TW200736659A (en) Illumination device, illumination method, image read device, image read method, image-forming device, and image-forming method
WO2012009437A3 (en) High resolution autofocus inspection system
JP2009251464A5 (enExample)
WO2010076775A3 (en) Gated 3d camera
GB2512223A (en) Image processing apparatus, image processing method and program, and image pickup apparatus including image processing apparatus
EP2490438A3 (en) Vision measuring device and auto-focusing control method
GB2505311A (en) Obtaining distance between different points on an imaged object
CY1110685T1 (el) Προσδιορισμος της βελτιστης τοποθετησης οφθαλμικων συσκευων με χρηση τεχνικων επεξεργασιας εικονας και αυτοεστιασης
FR2984500B1 (fr) Systeme et procede de lecture optique de marquages imprimes sur une face d'une lentille ophtalmique
GB2506324A (en) Image pickup apparatus and control method thereof
US20090142046A1 (en) Focusing system and method for enhancing resolution of an optical system
EP4509916A3 (en) Focus control apparatus, image capturing apparatus, and focus control method
WO2020127758A3 (de) Vorrichtung und verfahren zur optischen vermessung einer innenkontur einer brillenfassung
IN2010KN00855A (enExample)
WO2009134602A3 (en) Imaging system having anamorphic magnification
TW200625935A (en) Imaging device, imaging device control method, program for imaging device control method, and recording medium in which the program is recorded
WO2009031432A1 (ja) ダイシング装置、及びダイシング方法
EP2239936A3 (en) Autofocus system

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees