JP2014504375A - オートフォーカス画像システム - Google Patents

オートフォーカス画像システム Download PDF

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Publication number
JP2014504375A
JP2014504375A JP2013542632A JP2013542632A JP2014504375A JP 2014504375 A JP2014504375 A JP 2014504375A JP 2013542632 A JP2013542632 A JP 2013542632A JP 2013542632 A JP2013542632 A JP 2013542632A JP 2014504375 A JP2014504375 A JP 2014504375A
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JP
Japan
Prior art keywords
edge
gradient
measure
gradients
peak
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.)
Ceased
Application number
JP2013542632A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014504375A5 (enExample
Inventor
ナム タイ，ヒョク
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.)
Individual
Original Assignee
Individual
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
Priority claimed from PCT/IB2010/055649 external-priority patent/WO2011070514A1/en
Application filed by Individual filed Critical Individual
Publication of JP2014504375A publication Critical patent/JP2014504375A/ja
Publication of JP2014504375A5 publication Critical patent/JP2014504375A5/ja
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • 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
    • 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
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • 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
    • 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
    • G03B3/10—Power-operated focusing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10141—Special mode during image acquisition
    • G06T2207/10148—Varying focus
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Focusing (AREA)
JP2013542632A 2010-12-07 2011-06-09 オートフォーカス画像システム Ceased JP2014504375A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/IB2010/055649 WO2011070514A1 (en) 2009-12-07 2010-12-07 Auto-focus image system
IBPCT/IB2010/055649 2010-12-07
PCT/IB2011/052515 WO2012076992A1 (en) 2010-12-07 2011-06-09 Auto-focus image system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2016078083A Division JP6179827B2 (ja) 2009-12-07 2016-04-08 フォーカス信号を生成する方法

Publications (2)

Publication Number Publication Date
JP2014504375A true JP2014504375A (ja) 2014-02-20
JP2014504375A5 JP2014504375A5 (enExample) 2015-11-19

Family

ID=44628863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013542632A Ceased JP2014504375A (ja) 2010-12-07 2011-06-09 オートフォーカス画像システム

Country Status (9)

Country Link
EP (1) EP2649787A1 (enExample)
JP (1) JP2014504375A (enExample)
AU (1) AU2011340207A1 (enExample)
CA (1) CA2820856A1 (enExample)
DE (1) DE112011104256T5 (enExample)
GB (1) GB2501414A (enExample)
MX (1) MX2013006517A (enExample)
SG (1) SG190451A1 (enExample)
WO (1) WO2012076992A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017125799A1 (de) * 2017-11-06 2019-05-09 Carl Zeiss Industrielle Messtechnik Gmbh Reduktion von Bildstörungen in Bildern
CN112969027B (zh) * 2021-04-02 2022-08-16 浙江大华技术股份有限公司 电动镜头的聚焦方法和装置、存储介质及电子设备
CN114815121A (zh) * 2022-02-22 2022-07-29 湖北三赢兴光电科技股份有限公司 一种摄像模组的快速调焦方法及系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0868721A (ja) * 1993-09-22 1996-03-12 Asahi Optical Co Ltd 光学系のピント評価方法、調整方法、ピント評価装置、調整装置、およびチャート装置
JP2002189164A (ja) * 2000-12-21 2002-07-05 Minolta Co Ltd 光学系制御装置、光学系制御方法および記録媒体
JP2003167182A (ja) * 2001-11-29 2003-06-13 Minolta Co Ltd オートフォーカス装置
US20060029284A1 (en) * 2004-08-07 2006-02-09 Stmicroelectronics Ltd. Method of determining a measure of edge strength and focus
US20060062484A1 (en) * 2004-09-22 2006-03-23 Aas Eric F Systems and methods for arriving at an auto focus Figure of Merit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8264591B2 (en) * 2007-10-22 2012-09-11 Candela Microsystems (S) Pte. Ltd. Method and system for generating focus signal
WO2010061352A2 (en) * 2008-11-26 2010-06-03 Hiok Nam Tay Auto-focus image system
GB2475983B (en) * 2009-12-07 2013-03-13 Hiok Nam Tay Auto-focus image system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0868721A (ja) * 1993-09-22 1996-03-12 Asahi Optical Co Ltd 光学系のピント評価方法、調整方法、ピント評価装置、調整装置、およびチャート装置
JP2002189164A (ja) * 2000-12-21 2002-07-05 Minolta Co Ltd 光学系制御装置、光学系制御方法および記録媒体
JP2003167182A (ja) * 2001-11-29 2003-06-13 Minolta Co Ltd オートフォーカス装置
US20060029284A1 (en) * 2004-08-07 2006-02-09 Stmicroelectronics Ltd. Method of determining a measure of edge strength and focus
US20060062484A1 (en) * 2004-09-22 2006-03-23 Aas Eric F Systems and methods for arriving at an auto focus Figure of Merit

Also Published As

Publication number Publication date
AU2011340207A1 (en) 2013-07-18
WO2012076992A1 (en) 2012-06-14
DE112011104256T5 (de) 2014-02-13
GB201311741D0 (en) 2013-08-14
MX2013006517A (es) 2013-12-06
CA2820856A1 (en) 2012-06-14
GB2501414A (en) 2013-10-23
SG190451A1 (en) 2013-07-31
EP2649787A1 (en) 2013-10-16

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