DE68915989D1 - Elektronische fokuskorrektur. - Google Patents

Elektronische fokuskorrektur.

Info

Publication number
DE68915989D1
DE68915989D1 DE68915989T DE68915989T DE68915989D1 DE 68915989 D1 DE68915989 D1 DE 68915989D1 DE 68915989 T DE68915989 T DE 68915989T DE 68915989 T DE68915989 T DE 68915989T DE 68915989 D1 DE68915989 D1 DE 68915989D1
Authority
DE
Germany
Prior art keywords
focus correction
electronic focus
electronic
correction
focus
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.)
Expired - Fee Related
Application number
DE68915989T
Other languages
English (en)
Other versions
DE68915989T2 (de
Inventor
Robert Zwirn
Gerard Rafanelli
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of DE68915989D1 publication Critical patent/DE68915989D1/de
Application granted granted Critical
Publication of DE68915989T2 publication Critical patent/DE68915989T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automatic Focus Adjustment (AREA)
  • Image Processing (AREA)
DE68915989T 1988-05-02 1989-03-27 Elektronische fokuskorrektur. Expired - Fee Related DE68915989T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/189,073 US4876602A (en) 1988-05-02 1988-05-02 Electronic focus correction by signal convolution
PCT/US1989/001251 WO1989011196A1 (en) 1988-05-02 1989-03-27 Electronic focus correction

Publications (2)

Publication Number Publication Date
DE68915989D1 true DE68915989D1 (de) 1994-07-14
DE68915989T2 DE68915989T2 (de) 1995-01-05

Family

ID=22695804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915989T Expired - Fee Related DE68915989T2 (de) 1988-05-02 1989-03-27 Elektronische fokuskorrektur.

Country Status (7)

Country Link
US (1) US4876602A (de)
EP (1) EP0377697B1 (de)
JP (1) JP2835117B2 (de)
DE (1) DE68915989T2 (de)
ES (1) ES2013183A6 (de)
IL (1) IL89844A (de)
WO (1) WO1989011196A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2956213B2 (ja) * 1990-11-30 1999-10-04 ソニー株式会社 画像処理装置
US5307175A (en) * 1992-03-27 1994-04-26 Xerox Corporation Optical image defocus correction
JPH08506464A (ja) * 1993-11-26 1996-07-09 シナール アクチエンゲゼルシヤフト シヤツフハウゼン スチル写真機及び像生成方法
US6155704A (en) * 1996-04-19 2000-12-05 Hughes Electronics Super-resolved full aperture scene synthesis using rotating strip aperture image measurements
JP4131052B2 (ja) * 1998-07-17 2008-08-13 ソニー株式会社 撮像装置
EP1171996B1 (de) * 1998-11-25 2010-07-21 Iridian Technologies, Inc. Schnelles fokusbeurteilungssystem und -verfahren zur bilderfassung
ATE484000T1 (de) * 1999-08-10 2010-10-15 Cellavision Ab Verfahren und vorrichtungen in einem optischen system
US7034883B1 (en) 1999-08-10 2006-04-25 Cellavision Ab Automatic focusing
US6810082B1 (en) 1999-12-17 2004-10-26 Koninklijke Philips Electronics N.V. Chroma based adaptive signal peaking
JP4389371B2 (ja) * 2000-09-28 2009-12-24 株式会社ニコン 画像修復装置および画像修復方法
GB0108697D0 (en) * 2001-04-06 2001-05-30 Renishaw Plc Image focussing methods
EP1577705B1 (de) * 2002-12-25 2018-08-01 Nikon Corporation Kamerasystem mit verschleierungskorrektur
TWI397055B (zh) * 2007-05-28 2013-05-21 Realtek Semiconductor Corp 模式偵測電路與方法
GB2507576A (en) * 2012-11-05 2014-05-07 British Broadcasting Corp Focus detection
JP2014126903A (ja) * 2012-12-25 2014-07-07 Toshiba Corp 画像処理装置および画像処理方法、ならびに、プログラム
US10948421B2 (en) * 2014-08-28 2021-03-16 Asml Netherlands B.V. Laser-driven photon source and inspection apparatus including such a laser-driven photon source

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568140A (en) * 1979-07-02 1981-01-27 Dainippon Screen Mfg Co Ltd Emphasizing method of sharpness in image scanning and recording apparatus
US4343021A (en) * 1979-08-21 1982-08-03 Ball Corporation Image sensor sensitivity variation compensator
JPS6053349B2 (ja) * 1981-06-19 1985-11-25 株式会社日立製作所 画像処理プロセツサ
DE3406578C2 (de) * 1983-02-24 1985-09-05 Olympus Optical Co., Ltd., Tokio/Tokyo Automatische Brennpunktermittlungsvorrichtung
EP0124241B1 (de) * 1983-03-29 1988-11-02 Olympus Optical Co., Ltd. Mit einer automatischen Fokussiereinrichtung ausgestattetes Mikroskop
JPS60264168A (ja) * 1984-06-12 1985-12-27 Ricoh Co Ltd ビデオカメラの自動合焦装置
US4623237A (en) * 1984-07-07 1986-11-18 Canon Kabushiki Kaisha Automatic focusing device
JP2535845B2 (ja) * 1986-10-08 1996-09-18 キヤノン株式会社 自動合焦装置
US4754334A (en) * 1987-01-08 1988-06-28 Management Graphics, Inc. Image recorder having automatic alignment method and apparatus
FR2609817B1 (fr) * 1987-01-21 1989-05-05 Matra Procede et dispositif de prise de vue a grande profondeur de champ

Also Published As

Publication number Publication date
IL89844A (en) 1992-09-06
JPH02504217A (ja) 1990-11-29
WO1989011196A1 (en) 1989-11-16
ES2013183A6 (es) 1990-04-16
DE68915989T2 (de) 1995-01-05
EP0377697B1 (de) 1994-06-08
EP0377697A1 (de) 1990-07-18
US4876602A (en) 1989-10-24
JP2835117B2 (ja) 1998-12-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: RAYTHEON CO. (N.D.GES.D. STAATES DELAWARE), LEXING

8339 Ceased/non-payment of the annual fee