CA2227321A1 - Image enhancement - Google Patents

Image enhancement Download PDF

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Publication number
CA2227321A1
CA2227321A1 CA002227321A CA2227321A CA2227321A1 CA 2227321 A1 CA2227321 A1 CA 2227321A1 CA 002227321 A CA002227321 A CA 002227321A CA 2227321 A CA2227321 A CA 2227321A CA 2227321 A1 CA2227321 A1 CA 2227321A1
Authority
CA
Canada
Prior art keywords
image
pixel
brightness
scene
images
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.)
Abandoned
Application number
CA002227321A
Other languages
English (en)
French (fr)
Inventor
John Peter Oakley
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.)
DMIST RESEARCH Ltd
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
Application filed by Individual filed Critical Individual
Publication of CA2227321A1 publication Critical patent/CA2227321A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/10—Terrestrial scenes
    • G06V20/13—Satellite images

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Remote Sensing (AREA)
  • Astronomy & Astrophysics (AREA)
  • Image Processing (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Glass Compositions (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CA002227321A 1995-07-19 1996-07-12 Image enhancement Abandoned CA2227321A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9514834.2 1995-07-19
GB9514834A GB2303511A (en) 1995-07-19 1995-07-19 Compensating for backscattered light

Publications (1)

Publication Number Publication Date
CA2227321A1 true CA2227321A1 (en) 1997-02-06

Family

ID=10777955

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002227321A Abandoned CA2227321A1 (en) 1995-07-19 1996-07-12 Image enhancement

Country Status (12)

Country Link
US (1) US6462768B1 (enExample)
EP (1) EP0839361B1 (enExample)
JP (1) JP3898224B2 (enExample)
AT (1) ATE185637T1 (enExample)
AU (1) AU6463896A (enExample)
CA (1) CA2227321A1 (enExample)
DE (1) DE69604670T2 (enExample)
DK (1) DK0839361T3 (enExample)
ES (1) ES2140110T3 (enExample)
GB (1) GB2303511A (enExample)
GR (1) GR3032179T3 (enExample)
WO (1) WO1997004417A1 (enExample)

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US6546119B2 (en) 1998-02-24 2003-04-08 Redflex Traffic Systems Automated traffic violation monitoring and reporting system
US7006569B1 (en) * 1999-02-05 2006-02-28 Samsung Electronics Co., Ltd. Digital video processing method and apparatus thereof
US6771838B1 (en) * 2000-10-06 2004-08-03 Hewlett-Packard Development Company, L.P. System and method for enhancing document images
SE516346C2 (sv) 2000-10-06 2001-12-17 Xcounter Ab Metod för reducering av högfrekvent brus i bilder med hjälp av medelvärdesbildning av pixlar och parvis addering av pixelpar som uppfyller ett villkor
JP3759429B2 (ja) * 2001-05-23 2006-03-22 株式会社東芝 障害物検出装置及びその方法
DE10160180A1 (de) * 2001-12-07 2003-06-18 Basf Ag Verfahren zur Isolierung von Trimethylolpropan aus einem Reaktionsgemisch
US7092579B2 (en) * 2002-05-20 2006-08-15 Eastman Kodak Company Calculating noise estimates of a digital image using gradient analysis
US7268925B1 (en) 2003-02-24 2007-09-11 Pritest, Inc. Image sensor optimization
DE602004028445D1 (de) * 2003-02-24 2010-09-16 Pritest Inc Lichtdurchlässige festmatrix-prüfvorrichtung zur mikroarray-analyse
WO2005119178A1 (en) * 2004-06-02 2005-12-15 Athena Technologies, Inc. Image-augmented inertial navigation system (iains) and method
EP1691546A1 (en) * 2005-02-11 2006-08-16 Harman Becker Automotive Systems GmbH Brightness controller and method for adjusting the brightness of a video signal
GB0505443D0 (en) * 2005-03-17 2005-04-20 Dmist Technologies Ltd Image processing methods
US7486835B2 (en) * 2005-03-17 2009-02-03 Delphi Technologies, Inc. System and method for enhancing an image
JP4694306B2 (ja) * 2005-08-17 2011-06-08 Ｈｏｙａ株式会社 輪郭強調処理ユニット
US9563980B2 (en) * 2005-11-18 2017-02-07 Autodesk, Inc. Grip manipulatable shadows in 3D models
US7711047B2 (en) * 2005-12-21 2010-05-04 Microsoft Corporation Determining intensity similarity in low-light conditions using the Poisson-quantization noise model
JP2008009877A (ja) 2006-06-30 2008-01-17 Brother Ind Ltd 画像処理装置，画像処理方法およびプログラム
US7579978B1 (en) * 2006-07-31 2009-08-25 Rockwell Collins, Inc. Radar based runway confirmation database acquisition system
US20080084924A1 (en) * 2006-10-05 2008-04-10 Donald Martin Monro Matching pursuits basis selection design
US7974488B2 (en) * 2006-10-05 2011-07-05 Intellectual Ventures Holding 35 Llc Matching pursuits basis selection
US8059915B2 (en) * 2006-11-20 2011-11-15 Videosurf, Inc. Apparatus for and method of robust motion estimation using line averages
US8488839B2 (en) * 2006-11-20 2013-07-16 Videosurf, Inc. Computer program and apparatus for motion-based object extraction and tracking in video
US8379915B2 (en) * 2006-11-20 2013-02-19 Videosurf, Inc. Method of performing motion-based object extraction and tracking in video
US7920748B2 (en) * 2007-05-23 2011-04-05 Videosurf, Inc. Apparatus and software for geometric coarsening and segmenting of still images
US8364698B2 (en) * 2008-07-11 2013-01-29 Videosurf, Inc. Apparatus and software system for and method of performing a visual-relevance-rank subsequent search
US8364660B2 (en) * 2008-07-11 2013-01-29 Videosurf, Inc. Apparatus and software system for and method of performing a visual-relevance-rank subsequent search
US8396324B2 (en) * 2008-08-18 2013-03-12 Samsung Techwin Co., Ltd. Image processing method and apparatus for correcting distortion caused by air particles as in fog
US8619071B2 (en) * 2008-09-16 2013-12-31 Microsoft Corporation Image view synthesis using a three-dimensional reference model
US8290294B2 (en) * 2008-09-16 2012-10-16 Microsoft Corporation Dehazing an image using a three-dimensional reference model
EP2460354A4 (en) 2009-07-27 2015-11-04 Utc Fire & Security Corp SYSTEM AND METHOD FOR IMPROVING VIDEO QUALITY
US9508011B2 (en) 2010-05-10 2016-11-29 Videosurf, Inc. Video visual and audio query
US9383478B2 (en) 2013-01-25 2016-07-05 The United States Of America, As Represented By The Secretary Of The Navy System and method for atmospheric parameter enhancement
US9299130B2 (en) 2013-03-15 2016-03-29 Trustees Of Tufts College Methods and apparatus for image processing and analysis
RU2591029C1 (ru) * 2015-02-13 2016-07-10 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) Способ получения на летательном аппарате (ла) улучшенного изображения подстилающей поверхности
US10354140B2 (en) * 2017-01-31 2019-07-16 Microsoft Technology Licensing, Llc Video noise reduction for video augmented reality system
US11187909B2 (en) 2017-01-31 2021-11-30 Microsoft Technology Licensing, Llc Text rendering by microshifting the display in a head mounted display
US10504397B2 (en) 2017-01-31 2019-12-10 Microsoft Technology Licensing, Llc Curved narrowband illuminant display for head mounted display
US10298840B2 (en) 2017-01-31 2019-05-21 Microsoft Technology Licensing, Llc Foveated camera for video augmented reality and head mounted display
FR3076425B1 (fr) * 2017-12-28 2020-01-31 Forssea Robotics Systeme d'imagerie sous-marine polarisee pour ameliorer la visibilite et la detection d'objet en eau turbide
US12482219B2 (en) * 2023-09-11 2025-11-25 The Boeing Company Reconstruction of obscured objects in segmentation maps

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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JPS596679A (ja) * 1983-02-02 1984-01-13 Mitsubishi Electric Corp 撮像装置
JPH0822048B2 (ja) * 1987-11-27 1996-03-04 松下電器産業株式会社 映像信号処理装置
DE4102579A1 (de) * 1990-01-30 1991-08-01 Deutsche Forsch Luft Raumfahrt Verfahren zur kompensation atmosphaerischer einfluesse im solaren bzw. thermalen spektralbereich
US5140463A (en) * 1990-03-08 1992-08-18 Yoo Kwong M Method and apparatus for improving the signal to noise ratio of an image formed of an object hidden in or behind a semi-opaque random media
US5233541A (en) * 1990-08-10 1993-08-03 Kaman Aerospace Corporation Automatic target detection process
CA2041848C (en) * 1991-05-06 2000-08-01 Martin Levesque Method for removing the effects of particulate matter from sequences of images
US5719567A (en) * 1995-05-30 1998-02-17 Victor J. Norris, Jr. System for enhancing navigation and surveillance in low visibility conditions
US5886662A (en) * 1997-06-18 1999-03-23 Zai Amelex Method and apparatus for remote measurement of terrestrial biomass
US6028624A (en) * 1997-12-11 2000-02-22 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for increased visibility through fog and other aerosols
US6195099B1 (en) * 1998-12-03 2001-02-27 Evans & Sutherland Computer Corporation Method for time based shadow rendering

Also Published As

Publication number Publication date
DE69604670D1 (de) 1999-11-18
EP0839361A1 (en) 1998-05-06
DE69604670T2 (de) 2000-06-08
US6462768B1 (en) 2002-10-08
GB9514834D0 (en) 1995-09-27
GB2303511A (en) 1997-02-19
AU6463896A (en) 1997-02-18
GR3032179T3 (en) 2000-04-27
ATE185637T1 (de) 1999-10-15
WO1997004417A1 (en) 1997-02-06
DK0839361T3 (da) 2000-04-17
JP3898224B2 (ja) 2007-03-28
EP0839361B1 (en) 1999-10-13
ES2140110T3 (es) 2000-02-16
JPH11509657A (ja) 1999-08-24

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued