DE112011104233T5 - Autofokus-Bildsystem - Google Patents

Autofokus-Bildsystem Download PDF

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Publication number
DE112011104233T5
DE112011104233T5 DE112011104233T DE112011104233T DE112011104233T5 DE 112011104233 T5 DE112011104233 T5 DE 112011104233T5 DE 112011104233 T DE112011104233 T DE 112011104233T DE 112011104233 T DE112011104233 T DE 112011104233T DE 112011104233 T5 DE112011104233 T5 DE 112011104233T5
Authority
DE
Germany
Prior art keywords
edge
gradient
image
width
focus signal
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.)
Withdrawn
Application number
DE112011104233T
Other languages
German (de)
English (en)
Inventor
Anmelder Gleich
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/IB2010/055641 external-priority patent/WO2011070513A1/en
Application filed by Individual filed Critical Individual
Publication of DE112011104233T5 publication Critical patent/DE112011104233T5/de
Withdrawn legal-status Critical Current

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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
    • G02B7/28—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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
DE112011104233T 2010-12-07 2011-06-09 Autofokus-Bildsystem Withdrawn DE112011104233T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IBPCT/IB2010/055641 2010-12-07
PCT/IB2010/055641 WO2011070513A1 (en) 2009-12-07 2010-12-07 Auto-focus image system
PCT/IB2011/052529 WO2012076993A1 (en) 2010-12-07 2011-06-09 Auto-focus image system

Publications (1)

Publication Number Publication Date
DE112011104233T5 true DE112011104233T5 (de) 2013-12-12

Family

ID=44511103

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112011104233T Withdrawn DE112011104233T5 (de) 2010-12-07 2011-06-09 Autofokus-Bildsystem

Country Status (8)

Country Link
EP (1) EP2649788A1 (ja)
JP (1) JP6057086B2 (ja)
AU (1) AU2011340208A1 (ja)
CA (1) CA2820847A1 (ja)
DE (1) DE112011104233T5 (ja)
MX (1) MX2013006516A (ja)
SG (1) SG190755A1 (ja)
WO (1) WO2012076993A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111769904B (zh) * 2020-06-23 2021-08-17 电子科技大学 一种反向散射通信***中多反射设备并行传输的检测方法
CN112529876B (zh) * 2020-12-15 2023-03-14 天津大学 一种隐形眼镜边缘缺陷的检测方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011070513A1 (en) 2009-12-07 2011-06-16 Hiok Nam Tay Auto-focus image system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH066661A (ja) * 1992-06-19 1994-01-14 Canon Inc 合焦検出装置
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
JP4334179B2 (ja) * 2002-03-07 2009-09-30 シャープ株式会社 電子カメラ
JP4493416B2 (ja) * 2003-11-26 2010-06-30 富士フイルム株式会社 画像処理方法および装置並びにプログラム
JP2006024193A (ja) * 2004-06-07 2006-01-26 Fuji Photo Film Co Ltd 画像補正装置、画像補正プログラム、画像補正方法、および画像補正システム
WO2010061250A1 (en) * 2008-11-26 2010-06-03 Hiok-Nam Tay Auto-focus image system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011070513A1 (en) 2009-12-07 2011-06-16 Hiok Nam Tay Auto-focus image system

Also Published As

Publication number Publication date
CA2820847A1 (en) 2012-06-14
MX2013006516A (es) 2013-12-12
JP2014513809A (ja) 2014-06-05
EP2649788A1 (en) 2013-10-16
SG190755A1 (en) 2013-07-31
WO2012076993A1 (en) 2012-06-14
JP6057086B2 (ja) 2017-01-11
AU2011340208A1 (en) 2013-07-18

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Legal Events

Date Code Title Description
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee