ES2394950B1 - Sistema de imagen de enfoque automatico - Google Patents

Sistema de imagen de enfoque automatico Download PDF

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Publication number
ES2394950B1
ES2394950B1 ES201090020A ES201090020A ES2394950B1 ES 2394950 B1 ES2394950 B1 ES 2394950B1 ES 201090020 A ES201090020 A ES 201090020A ES 201090020 A ES201090020 A ES 201090020A ES 2394950 B1 ES2394950 B1 ES 2394950B1
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Spain
Prior art keywords
edge
gradient
image
gradients
width
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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
ES201090020A
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English (en)
Spanish (es)
Other versions
ES2394950A1 (es
Inventor
Tay HIOK NAM
Yeo YUNN-EN
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.)
YEO YUNN EN
Candela Microsystems S Pte Ltd
Original Assignee
YEO YUNN EN
Candela Microsystems S Pte Ltd
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Filing date
Publication date
Application filed by YEO YUNN EN, Candela Microsystems S Pte Ltd filed Critical YEO YUNN EN
Publication of ES2394950A1 publication Critical patent/ES2394950A1/es
Application granted granted Critical
Publication of ES2394950B1 publication Critical patent/ES2394950B1/es
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Image Analysis (AREA)
  • Focusing (AREA)
  • Image Processing (AREA)
ES201090020A 2007-10-22 2008-10-17 Sistema de imagen de enfoque automatico Expired - Fee Related ES2394950B1 (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5307P 2007-10-22 2007-10-22
US61/000,053 2007-10-22
US12/082,577 US8264591B2 (en) 2007-10-22 2008-04-11 Method and system for generating focus signal
US12/082,577 2008-04-11
PCT/IB2008/003822 WO2009063326A2 (en) 2007-10-22 2008-10-17 Auto - focus image system

Publications (2)

Publication Number Publication Date
ES2394950A1 ES2394950A1 (es) 2013-02-06
ES2394950B1 true ES2394950B1 (es) 2013-11-26

Family

ID=40563112

Family Applications (1)

Application Number Title Priority Date Filing Date
ES201090020A Expired - Fee Related ES2394950B1 (es) 2007-10-22 2008-10-17 Sistema de imagen de enfoque automatico

Country Status (8)

Country Link
US (1) US8264591B2 (enExample)
JP (3) JP5459717B2 (enExample)
CN (1) CN101849407B (enExample)
DE (1) DE112008002819T5 (enExample)
ES (1) ES2394950B1 (enExample)
GB (3) GB2467078B (enExample)
MX (1) MX2010004336A (enExample)
WO (1) WO2009063326A2 (enExample)

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Also Published As

Publication number Publication date
WO2009063326A3 (en) 2009-08-13
GB2489779A (en) 2012-10-10
GB2467078B (en) 2012-12-19
US20090102963A1 (en) 2009-04-23
MX2010004336A (es) 2010-05-17
WO2009063326A2 (en) 2009-05-22
CN101849407A (zh) 2010-09-29
GB2485936A (en) 2012-05-30
GB2467078A (en) 2010-07-21
GB2489779B (en) 2013-02-20
JP2014067044A (ja) 2014-04-17
DE112008002819T5 (de) 2011-02-17
US8264591B2 (en) 2012-09-11
GB201203481D0 (en) 2012-04-11
GB2485936B (en) 2012-11-07
GB201008370D0 (en) 2010-07-07
JP2011501215A (ja) 2011-01-06
GB201203379D0 (en) 2012-04-11
CN101849407B (zh) 2013-08-28
JP5459717B2 (ja) 2014-04-02
JP2014112239A (ja) 2014-06-19
JP6057089B2 (ja) 2017-01-11
ES2394950A1 (es) 2013-02-06
HK1175342A1 (en) 2013-06-28
HK1171599A1 (en) 2013-03-28

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