JP5102370B2 - コントラスト促進のためのヒストグラム・モデリング・ベースのアルゴリズム - Google Patents

コントラスト促進のためのヒストグラム・モデリング・ベースのアルゴリズム Download PDF

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Publication number
JP5102370B2
JP5102370B2 JP2010543284A JP2010543284A JP5102370B2 JP 5102370 B2 JP5102370 B2 JP 5102370B2 JP 2010543284 A JP2010543284 A JP 2010543284A JP 2010543284 A JP2010543284 A JP 2010543284A JP 5102370 B2 JP5102370 B2 JP 5102370B2
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Japan
Prior art keywords
histogram
diffusion
image
model
determining
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Expired - Fee Related
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JP2010543284A
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English (en)
Japanese (ja)
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JP2011514030A (ja
JP2011514030A5 (enExample
Inventor
チ、インギョン
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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)
JP2010543284A 2008-01-17 2009-01-16 コントラスト促進のためのヒストグラム・モデリング・ベースのアルゴリズム Expired - Fee Related JP5102370B2 (ja)

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 (3)

Publication Number Publication Date
JP2011514030A JP2011514030A (ja) 2011-04-28
JP2011514030A5 JP2011514030A5 (enExample) 2012-06-07
JP5102370B2 true JP5102370B2 (ja) 2012-12-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010543284A Expired - Fee Related JP5102370B2 (ja) 2008-01-17 2009-01-16 コントラスト促進のためのヒストグラム・モデリング・ベースのアルゴリズム

Country Status (7)

Country Link
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
DE69622379T2 (de) 1996-05-30 2003-02-13 Agfa-Gevaert, Mortsel Erkennung und Korrektur von spiegelnden Reflexionen in der digitalen Bilderfassung
DE60123914T2 (de) 2001-01-05 2007-03-15 Seiko Epson Corp. System und Verfahren zur Bilddatenverarbeitung, Rechnerprogramm zur Durchführung des Verfahrens und Datenträger zur Speicherung des Programms
EP1345172A1 (en) * 2002-02-26 2003-09-17 Sony International (Europe) GmbH Contrast enhancement for digital images

Also Published As

Publication number Publication date
EP2229768A1 (en) 2010-09-22
TW201002045A (en) 2010-01-01
WO2009092018A1 (en) 2009-07-23
CN101897173B (zh) 2012-12-05
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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