DE68914206D1 - Verfahren und System zur Verbesserung eines digitalisierten Bildes. - Google Patents

Verfahren und System zur Verbesserung eines digitalisierten Bildes.

Info

Publication number
DE68914206D1
DE68914206D1 DE89307093T DE68914206T DE68914206D1 DE 68914206 D1 DE68914206 D1 DE 68914206D1 DE 89307093 T DE89307093 T DE 89307093T DE 68914206 T DE68914206 T DE 68914206T DE 68914206 D1 DE68914206 D1 DE 68914206D1
Authority
DE
Germany
Prior art keywords
improving
digitized image
digitized
image
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
DE89307093T
Other languages
English (en)
Other versions
DE68914206T2 (de
Inventor
Terrence H C O Minnesota Joyce
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE68914206D1 publication Critical patent/DE68914206D1/de
Publication of DE68914206T2 publication Critical patent/DE68914206T2/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
    • G06T5/73—Deblurring; Sharpening
    • G06T5/75—Unsharp masking
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Picture Signal Circuits (AREA)
DE68914206T 1988-07-15 1989-07-13 Verfahren und System zur Verbesserung eines digitalisierten Bildes. Expired - Fee Related DE68914206T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/219,377 US4941190A (en) 1988-07-15 1988-07-15 Method and system for enhancement of a digitized image

Publications (2)

Publication Number Publication Date
DE68914206D1 true DE68914206D1 (de) 1994-05-05
DE68914206T2 DE68914206T2 (de) 1994-10-06

Family

ID=22819033

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68914206T Expired - Fee Related DE68914206T2 (de) 1988-07-15 1989-07-13 Verfahren und System zur Verbesserung eines digitalisierten Bildes.

Country Status (6)

Country Link
US (1) US4941190A (de)
EP (1) EP0352016B1 (de)
JP (1) JPH0273477A (de)
CA (1) CA1309502C (de)
DE (1) DE68914206T2 (de)
IL (1) IL90654A (de)

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US5903681A (en) * 1996-07-24 1999-05-11 Eastman Kodak Company Reducing edge artifacts on a digital printer
US5982941A (en) * 1997-02-07 1999-11-09 Eastman Kodak Company Method of producing digital image with improved performance characteristic
US5978518A (en) * 1997-02-25 1999-11-02 Eastman Kodak Company Image enhancement in digital image processing
US6069979A (en) * 1997-02-25 2000-05-30 Eastman Kodak Company Method for compressing the dynamic range of digital projection radiographic images
US6173317B1 (en) 1997-03-14 2001-01-09 Microsoft Corporation Streaming and displaying a video stream with synchronized annotations over a computer network
US6639945B2 (en) 1997-03-14 2003-10-28 Microsoft Corporation Method and apparatus for implementing motion detection in video compression
US5809105A (en) * 1997-03-19 1998-09-15 General Electric Company Noise filter for digital x-ray imaging system
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US6281942B1 (en) * 1997-08-11 2001-08-28 Microsoft Corporation Spatial and temporal filtering mechanism for digital motion video signals
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US6614474B1 (en) * 1998-08-27 2003-09-02 Polycom, Inc. Electronic pan tilt zoom video camera with adaptive edge sharpening filter
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US6195467B1 (en) * 1999-03-25 2001-02-27 Image Processing Technologies, Inc. Method and apparatus for sharpening a grayscale image
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US6512523B1 (en) * 2000-03-27 2003-01-28 Intel Corporation Accurate averaging of elements using integer averaging
US6601077B1 (en) * 2000-03-31 2003-07-29 Intel Corporation DSP unit for multi-level global accumulation
DE10017083A1 (de) * 2000-04-06 2001-10-11 Cgk Comp Ges Konstanz Mbh Verfahren und Vorrichtung zur Störungsunterdrückung bei der Bildverarbeitung
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US20050029352A1 (en) * 2003-08-08 2005-02-10 Spears Kurt E. System and method for automatic correction of illumination noise caused by ambient light
US20050052468A1 (en) * 2003-09-05 2005-03-10 Xerox Corporation. Method of detecting half-toned uniform areas in bit-map
US20050105819A1 (en) * 2003-11-13 2005-05-19 Microsoft Corporation Quick blur approximation
KR20050049062A (ko) * 2003-11-21 2005-05-25 삼성전자주식회사 선명도 향상장치 및 그 방법
US7143495B2 (en) * 2004-03-05 2006-12-05 Wing Brandon M Backlight etching process
TW200606555A (en) * 2004-08-11 2006-02-16 ke-cong Li Method for enhancing images of non-uniform brightness and electronic apparatus thereof
US8379988B1 (en) 2008-03-04 2013-02-19 Marvell International Ltd. Image processing using stability criteria for pixel windows
US7734089B2 (en) * 2005-08-23 2010-06-08 Trident Microsystems (Far East) Ltd. Method for reducing mosquito noise
KR100679047B1 (ko) * 2005-09-29 2007-02-05 삼성전자주식회사 비트 해상도 확장 방법 및 장치
US20070086650A1 (en) * 2005-10-06 2007-04-19 Keh-Tsong Li Method and Device for Color Saturation and Sharpness Enhancement
JP4523926B2 (ja) * 2006-04-05 2010-08-11 富士通株式会社 画像処理装置、画像処理プログラムおよび画像処理方法
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EP2082566B1 (de) 2006-10-18 2016-08-31 Robert Bosch GmbH Bildverarbeitungsvorrichtung, verfahren und computerprogramm für kontrastverstärkung bei bildern
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US7961972B2 (en) * 2007-05-01 2011-06-14 Intel Corporation Method and apparatus for short range motion adaptive noise reduction
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US8368959B2 (en) 2009-05-18 2013-02-05 Xerox Corporation Method and system for selective smoothing of halftoned objects using bitmap encoding
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JPS61285867A (ja) * 1985-06-12 1986-12-16 Dainippon Screen Mfg Co Ltd 網点画像記録方法並びに装置
DE3629409C2 (de) * 1986-08-29 1994-02-17 Agfa Gevaert Ag Verfahren und Vorrichtung zur Kontrastbewertung bei der elektronischen Bildverarbeitung
JPS63158970A (ja) * 1986-12-23 1988-07-01 Matsushita Electric Ind Co Ltd 画像読み取り装置

Also Published As

Publication number Publication date
EP0352016B1 (de) 1994-03-30
CA1309502C (en) 1992-10-27
EP0352016A2 (de) 1990-01-24
EP0352016A3 (de) 1991-05-22
JPH0273477A (ja) 1990-03-13
IL90654A0 (en) 1990-01-18
DE68914206T2 (de) 1994-10-06
US4941190A (en) 1990-07-10
IL90654A (en) 1992-06-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee