CN101897173B - 用于对比度增强的基于直方图建模的算法 - Google Patents

用于对比度增强的基于直方图建模的算法 Download PDF

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Publication number
CN101897173B
CN101897173B CN2009801013044A CN200980101304A CN101897173B CN 101897173 B CN101897173 B CN 101897173B CN 2009801013044 A CN2009801013044 A CN 2009801013044A CN 200980101304 A CN200980101304 A CN 200980101304A CN 101897173 B CN101897173 B CN 101897173B
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histogram
expansion
image
parameter
conversion
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Expired - Fee Related
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CN2009801013044A
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Chinese (zh)
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CN101897173A (zh
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齐英勇
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 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
    • 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • User Interface Of Digital Computer (AREA)
CN2009801013044A 2008-01-17 2009-01-16 用于对比度增强的基于直方图建模的算法 Expired - Fee Related CN101897173B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US2183108P 2008-01-17 2008-01-17
US61/021,831 2008-01-17
US12/169,439 2008-07-08
US12/169,439 US8457399B2 (en) 2008-01-17 2008-07-08 Histogram-modeling based algorithm for contrast enhancement
PCT/US2009/031304 WO2009092018A1 (en) 2008-01-17 2009-01-16 A histogram-modeling based algorithm for contrast enhancement

Publications (2)

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CN101897173A CN101897173A (zh) 2010-11-24
CN101897173B true CN101897173B (zh) 2012-12-05

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US (1) US8457399B2 (enExample)
EP (1) EP2229768A1 (enExample)
JP (1) JP5102370B2 (enExample)
KR (2) KR101239246B1 (enExample)
CN (1) CN101897173B (enExample)
TW (1) TW201002045A (enExample)
WO (1) WO2009092018A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10645346B2 (en) 2013-01-18 2020-05-05 Careview Communications, Inc. Patient video monitoring systems and methods having detection algorithm recovery from changes in illumination
TWI408619B (zh) * 2009-11-16 2013-09-11 Inst Information Industry 影像對比提昇裝置及其方法
CN101707666A (zh) * 2009-11-26 2010-05-12 北京中星微电子有限公司 一种高动态范围的调整方法和装置
US8577141B2 (en) * 2010-11-05 2013-11-05 Lg Innotek Co., Ltd. Method of enhancing contrast using bezier curve
CN102314673B (zh) * 2011-08-02 2013-06-05 中国科学院长春光学精密机械与物理研究所 一种自适应图像增强方法
CN104952052A (zh) * 2014-03-28 2015-09-30 南京理工大学 一种对emccd图像进行增强的方法
CN109003227B (zh) * 2018-06-29 2021-07-27 Tcl华星光电技术有限公司 一种增强对比度的装置及显示器
CN113112435B (zh) * 2020-04-23 2023-09-22 江苏理工学院 一种小波域正反图像融合的可变对比度增强方法及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0810551A1 (en) * 1996-05-30 1997-12-03 Agfa-Gevaert N.V. Detection of and correction for specular reflections in digital image acquisition
EP1223745A2 (en) * 2001-01-05 2002-07-17 Seiko Epson Corporation System and method for processing image data, computer program for performing the method and data storage medium carrying the program

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
JPH07240166A (ja) 1994-02-25 1995-09-12 Hitachi Ltd 電子顕微鏡
US5581370A (en) 1995-06-05 1996-12-03 Xerox Corporation Image-dependent automatic area of interest enhancement
EP1345172A1 (en) * 2002-02-26 2003-09-17 Sony International (Europe) GmbH Contrast enhancement for digital images

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0810551A1 (en) * 1996-05-30 1997-12-03 Agfa-Gevaert N.V. Detection of and correction for specular reflections in digital image acquisition
EP1223745A2 (en) * 2001-01-05 2002-07-17 Seiko Epson Corporation System and method for processing image data, computer program for performing the method and data storage medium carrying the program

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JAIN.Histogran Modeling.《FUNDAMENTALS　OF　DIGITAL　IMAGE　PROCESSING，PRENTICE－HALL　INTERNATIONAL，INC，US》.1989,241-244. *

Also Published As

Publication number Publication date
EP2229768A1 (en) 2010-09-22
JP5102370B2 (ja) 2012-12-19
TW201002045A (en) 2010-01-01
WO2009092018A1 (en) 2009-07-23
JP2011514030A (ja) 2011-04-28
KR20100101174A (ko) 2010-09-16
US20090185743A1 (en) 2009-07-23
KR101239246B1 (ko) 2013-03-18
KR101205273B1 (ko) 2012-11-27
CN101897173A (zh) 2010-11-24
US8457399B2 (en) 2013-06-04
KR20120051103A (ko) 2012-05-21

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