IL91751A - Computationally efficient technique of image contrast enhancement - Google Patents

Computationally efficient technique of image contrast enhancement

Info

Publication number
IL91751A
IL91751A IL91751A IL9175189A IL91751A IL 91751 A IL91751 A IL 91751A IL 91751 A IL91751 A IL 91751A IL 9175189 A IL9175189 A IL 9175189A IL 91751 A IL91751 A IL 91751A
Authority
IL
Israel
Prior art keywords
image contrast
contrast enhancement
computationally efficient
efficient technique
technique
Prior art date
Application number
IL91751A
Other languages
English (en)
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 IL91751A publication Critical patent/IL91751A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10048—Infrared image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only
    • H04N23/23—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only from thermal infrared radiation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/20—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming only infrared radiation into image signals
    • H04N25/21—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming only infrared radiation into image signals for transforming thermal infrared radiation into image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Radiation Pyrometers (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Picture Signal Circuits (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IL91751A 1988-10-24 1989-09-22 Computationally efficient technique of image contrast enhancement IL91751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/261,812 US5063607A (en) 1988-10-24 1988-10-24 Image contrast enhancement technique

Publications (1)

Publication Number Publication Date
IL91751A true IL91751A (en) 1993-04-04

Family

ID=22994987

Family Applications (1)

Application Number Title Priority Date Filing Date
IL91751A IL91751A (en) 1988-10-24 1989-09-22 Computationally efficient technique of image contrast enhancement

Country Status (7)

Country Link
US (1) US5063607A (de)
EP (1) EP0366099B1 (de)
JP (1) JP2550186B2 (de)
DE (1) DE68925456T2 (de)
ES (1) ES2081825T3 (de)
IL (1) IL91751A (de)
TR (1) TR26267A (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5640469A (en) * 1989-09-28 1997-06-17 Hughes Electronics Systems and methods for producing high-contrast, intensity equalized visible images
US5799106A (en) * 1991-07-09 1998-08-25 The United States Of America As Represented By The Secretary Of The Air Force Noise immune automated contrast control for infrared cameras
US5552999A (en) * 1991-07-09 1996-09-03 Dallas Semiconductor Corp Digital histogram generator systems and methods
US5249241A (en) * 1991-07-09 1993-09-28 The United States Of America As Represented By The Secretary Of The Air Force Real-time automated scene display for infrared cameras
DE69229085T2 (de) * 1991-07-12 1999-11-18 Educational Testing Service, Princeton System zur Bildverarbeitung
US5273040A (en) * 1991-11-14 1993-12-28 Picker International, Inc. Measurement of vetricle volumes with cardiac MRI
EP0542361B1 (de) * 1991-11-14 1998-09-16 Agfa-Gevaert N.V. Verfahren und Vorrichtung zum Herstellen eines Histogramms in der digitalen Bildverarbeitung mittels statistischer Pixelabtastung
US5268580A (en) * 1992-09-02 1993-12-07 Ncr Corporation Bar code enhancement system and method for vision scanners
WO1994006247A1 (en) * 1992-09-08 1994-03-17 Paul Howard Mayeaux Machine vision camera and video preprocessing system
JPH0773308A (ja) * 1993-09-03 1995-03-17 Matsushita Electric Ind Co Ltd デジタル画像処理装置
US5499030A (en) * 1994-03-18 1996-03-12 The United States Of America As Represented By The Secretary Of The Air Force Expert system constant false alarm rate (CFAR) processor
US5982926A (en) * 1995-01-17 1999-11-09 At & T Ipm Corp. Real-time image enhancement techniques
US6091853A (en) * 1995-08-28 2000-07-18 Lockhead Martin Corporation Local area linear dynamic range compression
US5703661A (en) * 1996-05-29 1997-12-30 Amtran Technology Co., Ltd. Image screen adjustment apparatus for video monitor
US6246783B1 (en) 1997-09-17 2001-06-12 General Electric Company Iterative filter framework for medical images
US6521892B2 (en) * 1998-10-09 2003-02-18 Thomson-Csf Optronics Canada Inc. Uncooled driver viewer enhancement system
US6504954B1 (en) * 1999-02-05 2003-01-07 Raytheon Company Closed loop piecewise-linear histogram specification method and apparatus
GB2353428A (en) * 1999-08-20 2001-02-21 Bayerische Motoren Werke Ag Monitoring system for a vehicle
KR100364753B1 (ko) * 1999-11-19 2002-12-16 엘지전자 주식회사 칼라 히스토그램의 빈값 양자화 방법
US6782137B1 (en) * 1999-11-24 2004-08-24 General Electric Company Digital image display improvement system and method
US6850642B1 (en) * 2000-01-31 2005-02-01 Micron Technology, Inc. Dynamic histogram equalization for high dynamic range images
EP1134698A1 (de) * 2000-03-13 2001-09-19 Koninklijke Philips Electronics N.V. Videogerät mit Mitteln zur Histogrammveränderung
SE519547C2 (sv) * 2001-06-18 2003-03-11 Flir Systems Ab Förfarande och anordning för att åstadkomma en infraröd bild.
US6759949B2 (en) * 2002-05-23 2004-07-06 Visteon Global Technologies, Inc. Image enhancement in far infrared camera
US7315656B2 (en) * 2003-05-22 2008-01-01 The Boeing Company Methods and apparatus for enhanced viewing of aerial refueling operations
US7036770B2 (en) * 2003-07-25 2006-05-02 The Boeing Company Methods and apparatus for illumination of refueling hoses
US6988693B2 (en) * 2003-07-25 2006-01-24 The Boeing Company Methods and apparatus for passive illumination of refueling hoses
US7760961B2 (en) 2004-10-15 2010-07-20 Caba Moldvai Adaptive contrast enhancement
US7573533B2 (en) 2004-10-15 2009-08-11 Genesis Microchip Inc. Method of generating transfer curves for adaptive contrast enhancement
KR101097512B1 (ko) * 2004-11-23 2011-12-22 엘지디스플레이 주식회사 액정표시장치 및 구동방법
JP2009211313A (ja) * 2008-03-03 2009-09-17 Fujitsu Ltd 画像処理装置、画像処理方法および画像処理プログラム
JP2016206139A (ja) * 2015-04-28 2016-12-08 コニカミノルタ株式会社 ガス検出装置
US10007974B2 (en) * 2016-06-10 2018-06-26 Sensors Unlimited, Inc. Enhancing images
EP4277259B1 (de) 2022-05-13 2024-07-03 Sick Ag Aufnehmen und helligkeitsanpassung eines bildes
EP4411592A1 (de) 2023-02-06 2024-08-07 Sick Ag Verfahren zum lesen eines optischen codes und optoelektronischer codeleser

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2293011A1 (fr) * 1974-09-16 1976-06-25 France Etat Perfectionnements aux procedes et dispositifs de normalisation d'images numeriques
IL58119A (en) * 1979-08-27 1983-03-31 Yeda Res & Dev Histogram image enhancement system
JPS59125176A (ja) * 1982-12-30 1984-07-19 インタ−ナシヨナル　ビジネス　マシ−ンズ　コ−ポレ−シヨン ビデオイメ−ジのシエ−ジング効果の補正装置
JPS6084084A (ja) * 1983-10-14 1985-05-13 Canon Inc 画像信号処理装置
US4783828A (en) * 1986-06-02 1988-11-08 Honeywell Inc. Two-dimensional object recognition using chain codes, histogram normalization and trellis algorithm

Also Published As

Publication number Publication date
US5063607A (en) 1991-11-05
ES2081825T3 (es) 1996-03-16
EP0366099A2 (de) 1990-05-02
DE68925456T2 (de) 1996-06-05
DE68925456D1 (de) 1996-02-29
EP0366099A3 (de) 1991-01-23
JP2550186B2 (ja) 1996-11-06
JPH02163882A (ja) 1990-06-25
TR26267A (tr) 1994-01-31
EP0366099B1 (de) 1996-01-17

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Legal Events

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NP Permission for amending the patent specification granted (section 66, patents law 1967)
KB Patent renewed
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