DE69620302D1 - Verfahren und Vorrichtung zur Verbesserung eines digitalen Bildes - Google Patents

Verfahren und Vorrichtung zur Verbesserung eines digitalen Bildes

Info

Publication number
DE69620302D1
DE69620302D1 DE69620302T DE69620302T DE69620302D1 DE 69620302 D1 DE69620302 D1 DE 69620302D1 DE 69620302 T DE69620302 T DE 69620302T DE 69620302 T DE69620302 T DE 69620302T DE 69620302 D1 DE69620302 D1 DE 69620302D1
Authority
DE
Germany
Prior art keywords
enhancing
digital image
digital
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 - Lifetime
Application number
DE69620302T
Other languages
English (en)
Other versions
DE69620302T2 (de
Inventor
William A Fuss
Reiner Eschbach
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69620302D1 publication Critical patent/DE69620302D1/de
Publication of DE69620302T2 publication Critical patent/DE69620302T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06T5/90—Dynamic range modification of images or parts thereof
    • 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
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20004—Adaptive image processing
    • G06T2207/20012—Locally adaptive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
DE69620302T 1995-06-05 1996-05-31 Verfahren und Vorrichtung zur Verbesserung eines digitalen Bildes Expired - Lifetime DE69620302T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/461,913 US5581370A (en) 1995-06-05 1995-06-05 Image-dependent automatic area of interest enhancement

Publications (2)

Publication Number Publication Date
DE69620302D1 true DE69620302D1 (de) 2002-05-08
DE69620302T2 DE69620302T2 (de) 2002-08-14

Family

ID=23834445

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69620302T Expired - Lifetime DE69620302T2 (de) 1995-06-05 1996-05-31 Verfahren und Vorrichtung zur Verbesserung eines digitalen Bildes

Country Status (4)

Country Link
US (1) US5581370A (de)
EP (1) EP0747855B1 (de)
JP (1) JP3902265B2 (de)
DE (1) DE69620302T2 (de)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100200628B1 (ko) * 1996-09-30 1999-06-15 윤종용 화질 개선 회로 및 그 방법
US6038340A (en) * 1996-11-08 2000-03-14 Seiko Epson Corporation System and method for detecting the black and white points of a color image
US5915039A (en) * 1996-11-12 1999-06-22 International Business Machines Corporation Method and means for extracting fixed-pitch characters on noisy images with complex background prior to character recognition
EP2199973A3 (de) * 1997-06-09 2010-09-08 Seiko Epson Corporation Bildverarbeitungsgerät und -Verfahren, und Bildauswertungsvorrichtung und -Verfahren
US6192149B1 (en) * 1998-04-08 2001-02-20 Xerox Corporation Method and apparatus for automatic detection of image target gamma
US6175427B1 (en) * 1998-04-20 2001-01-16 Xerox Corporation System and method of tonal correction of independent regions on a compound document
US6201613B1 (en) 1998-07-22 2001-03-13 Xerox Corporation Automatic image enhancement of halftone and continuous tone images
US6798536B1 (en) * 1998-08-04 2004-09-28 Fuji Photo Film Co., Ltd. Apparatus for displaying tone curve and apparatus for adjusting tone curve
JP4097800B2 (ja) 1998-09-07 2008-06-11 株式会社東芝 画像処理方法および画像処理装置
JP3809742B2 (ja) * 1999-03-29 2006-08-16 コニカミノルタビジネステクノロジーズ株式会社 コントラスト補正を行う画像処理装置および方法
JP3902894B2 (ja) * 1999-10-15 2007-04-11 理想科学工業株式会社 画像処理装置及び画像処理方法
US6760484B1 (en) * 2000-01-26 2004-07-06 Hewlett-Packard Development Company, L.P. Method for improved contrast mapping of digital images
EP1126410A1 (de) * 2000-02-14 2001-08-22 Koninklijke Philips Electronics N.V. Bildsignalverbesserung
JP3758452B2 (ja) * 2000-02-28 2006-03-22 コニカミノルタビジネステクノロジーズ株式会社 記録媒体、並びに、画像処理装置および画像処理方法
US6748119B1 (en) 2000-11-02 2004-06-08 Xerox Corporation Systems and methods for interactively using and training an automatic image processing technique
JP2002204353A (ja) * 2000-12-28 2002-07-19 Fujitsu Ltd 画像状態推定方法、画像補正方法および補正装置
US6804409B2 (en) * 2001-03-10 2004-10-12 Hewlett-Packard Development Company, L.P. Method for contrast mapping of digital images using a variable mask
US20020154323A1 (en) * 2001-03-10 2002-10-24 Sobol Robert E. Method for variable contrast mapping of digital images
US7023580B2 (en) * 2001-04-20 2006-04-04 Agilent Technologies, Inc. System and method for digital image tone mapping using an adaptive sigmoidal function based on perceptual preference guidelines
US7057768B2 (en) * 2001-07-02 2006-06-06 Corel Corporation Automatic color balance
US6826310B2 (en) 2001-07-06 2004-11-30 Jasc Software, Inc. Automatic contrast enhancement
US7102792B2 (en) * 2002-01-16 2006-09-05 Xerox Corporation Systems and methods for modifying image data for background printing
US7116836B2 (en) * 2002-01-23 2006-10-03 Sony Corporation Method and apparatus for enhancing an image using a wavelet-based retinex algorithm
KR100425324B1 (ko) * 2002-02-09 2004-03-30 삼성전자주식회사 영상 신호의 콘트라스트 처리 방법
JP4323770B2 (ja) 2002-10-18 2009-09-02 キヤノン株式会社 画像処理装置、画像処理方法、プログラム及び記録媒体
US7317842B2 (en) * 2003-10-30 2008-01-08 Samsung Electronics Co., Ltd. Global and local statistics controlled noise reduction system
WO2005065028A2 (en) * 2004-01-07 2005-07-21 Ramot At Tel Aviv University Ltd. Methods and apparatus for analysing ultrasound images
US20050244060A1 (en) * 2004-04-30 2005-11-03 Xerox Corporation Reformatting binary image data to generate smaller compressed image data size
US7420712B2 (en) * 2004-05-28 2008-09-02 Xerox Corporation Systems and methods that alter electronic data based on availability of time
JP4289225B2 (ja) * 2004-06-18 2009-07-01 株式会社ニコン 画像処理装置および画像処理方法
US7620892B2 (en) * 2004-07-29 2009-11-17 Xerox Corporation Server based image processing for client display of documents
US7721204B2 (en) * 2004-07-29 2010-05-18 Xerox Corporation Client dependent image processing for browser-based image document viewer for handheld client devices
US7539341B2 (en) * 2004-07-29 2009-05-26 Xerox Corporation Systems and methods for processing image data prior to compression
US20060104507A1 (en) * 2004-11-15 2006-05-18 Sozotek, Inc. Correction of image color levels
US8331665B2 (en) * 2004-12-01 2012-12-11 Tp Vision Holding B.V. Method of electronic color image saturation processing
US7711211B2 (en) * 2005-06-08 2010-05-04 Xerox Corporation Method for assembling a collection of digital images
US7684639B2 (en) 2005-10-20 2010-03-23 Sharp Laboratories Of America, Inc. Methods and systems for automatic digital image enhancement
US7684640B2 (en) * 2005-10-20 2010-03-23 Sharp Laboratories Of America, Inc. Methods and systems for automatic digital image enhancement with local adjustment
US8139828B2 (en) * 2005-10-21 2012-03-20 Carestream Health, Inc. Method for enhanced visualization of medical images
US8812978B2 (en) * 2005-12-22 2014-08-19 Xerox Corporation System and method for dynamic zoom to view documents on small displays
JP5196731B2 (ja) * 2006-04-20 2013-05-15 キヤノン株式会社 画像処理装置及び画像処理方法
US7639893B2 (en) 2006-05-17 2009-12-29 Xerox Corporation Histogram adjustment for high dynamic range image mapping
US7636496B2 (en) * 2006-05-17 2009-12-22 Xerox Corporation Histogram adjustment for high dynamic range image mapping
KR100809347B1 (ko) * 2006-07-31 2008-03-05 삼성전자주식회사 쉐도우 영역 보상 방법 및 장치
JP4761560B2 (ja) * 2006-10-12 2011-08-31 キヤノン株式会社 画像信号処理装置及び画像信号処理方法
US7646508B2 (en) * 2006-10-30 2010-01-12 Xerox Corporation Method and apparatus for processing digital images
US8000554B2 (en) * 2007-04-04 2011-08-16 Xerox Corporation Automatic dynamic range adjustment in digital imaging
US8355595B2 (en) * 2007-05-15 2013-01-15 Xerox Corporation Contrast enhancement methods and apparatuses
TW200930040A (en) * 2007-12-19 2009-07-01 Altek Corp Gradient mirror processing method for digital images
US8457399B2 (en) 2008-01-17 2013-06-04 Qualcomm Incorporated Histogram-modeling based algorithm for contrast enhancement
CN101685537B (zh) * 2008-09-25 2015-09-23 义晶科技股份有限公司 利用区域增益校正以加强图像的方法
US8462171B2 (en) * 2009-02-06 2013-06-11 Micrososft Corporation Saturation contrast image enhancement
US20100278423A1 (en) * 2009-04-30 2010-11-04 Yuji Itoh Methods and systems for contrast enhancement
JP4557087B2 (ja) * 2009-06-15 2010-10-06 セイコーエプソン株式会社 画像処理装置、画像処理方法、および記録媒体
WO2011009720A1 (en) * 2009-07-24 2011-01-27 Oce-Technologies B.V. Method for composing a reflectivity histogram and reprographic apparatus using this method
JP4941575B2 (ja) * 2010-04-26 2012-05-30 セイコーエプソン株式会社 画像処理方法、画像処理プログラムを記録した媒体および画像処理装置
JP5754959B2 (ja) * 2011-02-01 2015-07-29 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
US8842911B2 (en) 2011-02-04 2014-09-23 Apple Inc. Luma-based color matching
JP5703255B2 (ja) * 2012-04-27 2015-04-15 株式会社東芝 画像処理装置、画像処理方法およびプログラム
US9070195B2 (en) 2012-06-10 2015-06-30 Apple Inc. Method and system for auto-enhancing photographs with saturation adjustments
US9099024B2 (en) 2012-06-10 2015-08-04 Apple Inc. Gray color balance tools for editing images
US9536290B2 (en) 2012-06-10 2017-01-03 Apple Inc. Tempered auto-adjusting, image-editing operation
US9116924B2 (en) 2013-01-14 2015-08-25 Xerox Corporation System and method for image selection using multivariate time series analysis
SG11201504234QA (en) * 2013-02-13 2015-06-29 Philip Morris Products Sa Evaluating porosity distribution within a porous rod
TWI657969B (zh) * 2014-02-17 2019-05-01 菲利浦莫里斯製品股份有限公司 評估多孔性桿件內的多孔性分佈
WO2016197323A1 (zh) * 2015-06-09 2016-12-15 华为技术有限公司 视频编解码方法和视频编解码器
CN105184758B (zh) * 2015-09-16 2017-11-17 宁夏大学 一种图像去雾增强的方法
CN106204506A (zh) * 2016-06-30 2016-12-07 刘元生 印前数字图像质量评测方法
US10504487B2 (en) 2016-10-14 2019-12-10 Apple Inc. Ambient and content adaptive pixel manipulation
JP6931418B2 (ja) * 2018-03-14 2021-09-01 オリンパス株式会社 画像処理方法、画像処理装置、ユーザインタフェース装置、画像処理システム、サーバ、および画像処理プログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2008819A1 (en) * 1989-02-14 1990-08-14 Dimitris Manolakis Regionally adaptive imaging techniques
US5285220A (en) * 1989-11-22 1994-02-08 Canon Kabushiki Kaisha Image recording apparatus with tone correction for individual recording heads
EP0457427B1 (de) * 1990-04-26 1995-12-06 Scitex Corporation Ltd. Gerät zur Verbesserung der Schärfe bei einem Farbbild
EP0603908A3 (de) * 1992-12-25 1996-02-07 Dainippon Screen Mfg Verfahren und Gerät zur Bildsignalkonvertierung.
US5357352A (en) * 1993-10-04 1994-10-18 Xerox Corporation Image-dependent color shifting of strongly color shifted images
US5414538A (en) * 1993-10-07 1995-05-09 Xerox Corporation Image-dependent exposure enhancement
US5450502A (en) * 1993-10-07 1995-09-12 Xerox Corporation Image-dependent luminance enhancement
US5371615A (en) * 1993-10-22 1994-12-06 Xerox Corporation Image-dependent color correction using black point and white point in a natural scene pictorial image
US5347374A (en) * 1993-11-05 1994-09-13 Xerox Corporation Cascaded image processing using histogram prediction
US5363209A (en) * 1993-11-05 1994-11-08 Xerox Corporation Image-dependent sharpness enhancement

Also Published As

Publication number Publication date
JPH08329241A (ja) 1996-12-13
JP3902265B2 (ja) 2007-04-04
EP0747855A3 (de) 1997-08-20
DE69620302T2 (de) 2002-08-14
EP0747855A2 (de) 1996-12-11
EP0747855B1 (de) 2002-04-03
US5581370A (en) 1996-12-03

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