DE69522143T2 - Farbübereinstimmung durch Systemkalibrierung, lineare und nichtlineare Tonbereichsabbildung - Google Patents

Farbübereinstimmung durch Systemkalibrierung, lineare und nichtlineare Tonbereichsabbildung

Info

Publication number
DE69522143T2
DE69522143T2 DE69522143T DE69522143T DE69522143T2 DE 69522143 T2 DE69522143 T2 DE 69522143T2 DE 69522143 T DE69522143 T DE 69522143T DE 69522143 T DE69522143 T DE 69522143T DE 69522143 T2 DE69522143 T2 DE 69522143T2
Authority
DE
Germany
Prior art keywords
linear
color matching
system calibration
tone range
range mapping
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 - Fee Related
Application number
DE69522143T
Other languages
English (en)
Other versions
DE69522143D1 (de
Inventor
Bart Tytgat
Paul Dierckx
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.)
Agfa HealthCare NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Application granted granted Critical
Publication of DE69522143D1 publication Critical patent/DE69522143D1/de
Publication of DE69522143T2 publication Critical patent/DE69522143T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6083—Colour correction or control controlled by factors external to the apparatus
    • H04N1/6086—Colour correction or control controlled by factors external to the apparatus by scene illuminant, i.e. conditions at the time of picture capture, e.g. flash, optical filter used, evening, cloud, daylight, artificial lighting, white point measurement, colour temperature
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
    • H04N1/6052—Matching two or more picture signal generators or two or more picture reproducers
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69522143T 1994-05-26 1995-03-16 Farbübereinstimmung durch Systemkalibrierung, lineare und nichtlineare Tonbereichsabbildung Expired - Fee Related DE69522143T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94201495 1994-05-26

Publications (2)

Publication Number Publication Date
DE69522143D1 DE69522143D1 (de) 2001-09-20
DE69522143T2 true DE69522143T2 (de) 2002-04-25

Family

ID=8216905

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69522143T Expired - Fee Related DE69522143T2 (de) 1994-05-26 1995-03-16 Farbübereinstimmung durch Systemkalibrierung, lineare und nichtlineare Tonbereichsabbildung

Country Status (3)

Country Link
US (1) US5596428A (de)
JP (1) JPH0856289A (de)
DE (1) DE69522143T2 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6057931A (en) * 1993-07-12 2000-05-02 Mci Telecommunications Corporation Method and apparatus for controlling color image reproduction
DE69430464T2 (de) * 1993-09-29 2002-10-31 Canon Kk Bildverarbeitungsgerät und -verfahren
US6571011B1 (en) * 1995-06-06 2003-05-27 Apple Computer, Inc. Conversion of output device color values to minimize image quality artifacts
JP3600372B2 (ja) * 1995-06-27 2004-12-15 株式会社リコー 色再現域補正装置および方法
IL115026A (en) * 1995-08-21 2001-03-19 Scitex Corp Ltd A method for matching object colors to print colors
US6229626B1 (en) 1997-10-24 2001-05-08 Eastman Kodak Company Method apparatus and product providing direct calculation of the color gamut of color reproduction processes
US6088663A (en) * 1997-11-20 2000-07-11 The Regents Of The University Of Michigan Method for combining physical objects using polar coordinate statistical analysis
JPH11313219A (ja) 1998-01-20 1999-11-09 Fujitsu Ltd カラーデータ変換方法
US6023264A (en) * 1998-04-24 2000-02-08 Adobe Systems Incorporated Method to estimate the white point on a display device
US6349146B2 (en) * 1998-12-22 2002-02-19 Xerox Corporation Device-biased color converting apparatus and method
JP3878351B2 (ja) * 1999-02-23 2007-02-07 富士フイルムホールディングス株式会社 色変換装置および方法
US6211971B1 (en) * 1999-03-11 2001-04-03 Lockheed Martin Missiles & Space Co. Method and apparatus to compress multi-spectral images to a single color image for display
US6400843B1 (en) 1999-04-22 2002-06-04 Seiko Epson Corporation Color image reproduction with accurate inside-gamut colors and enhanced outside-gamut colors
KR100512118B1 (ko) * 1999-06-10 2005-09-02 엘지전자 주식회사 칼라스페이스의 최적 양자화 방법
US6791716B1 (en) * 2000-02-18 2004-09-14 Eastmas Kodak Company Color image reproduction of scenes with preferential color mapping
US6775028B1 (en) 2000-02-24 2004-08-10 Lexmark International, Inc. Non-linear method of mapping the lightness and chroma of a display device gamut onto a printing device gamut
JP3666427B2 (ja) * 2000-10-06 2005-06-29 セイコーエプソン株式会社 画像処理装置、印刷制御装置、画像処理方法、および記録媒体
US7177047B2 (en) * 2000-12-19 2007-02-13 Eastman Kodak Company Gamut-preserving color imaging
JP4194289B2 (ja) * 2001-04-06 2008-12-10 キヤノン株式会社 画像処理方法
US6600562B1 (en) 2002-01-11 2003-07-29 Koninklijke Philips Electronics N.V. Method of extended color sense and estimation for RGB LED illuminants
US7200269B2 (en) * 2002-02-01 2007-04-03 Siemens Medical Solutions Usa, Inc. Non-rigid image registration using distance functions
US7304766B2 (en) * 2002-04-01 2007-12-04 Hewlett-Packard Development Company, L.P. Method and apparatus for data adjustment
EP1370070B1 (de) * 2002-06-06 2007-08-01 Imaging Solutions AG Farbmanagement mit Referenzgamut
US6956581B2 (en) * 2002-09-19 2005-10-18 Lexmark International, Inc. Gamut mapping algorithm for business graphics
US7751081B2 (en) * 2003-03-31 2010-07-06 Lexmark International, Inc. Gamut mapping by controlling minimum and maximum color changes
US7440136B2 (en) * 2003-12-15 2008-10-21 Canon Kabushiki Kaisha Color processing apparatus and method
US7940393B2 (en) * 2004-05-04 2011-05-10 Advanced Vision Technology (Avt) Ltd. Method and system for approximating the spectrum of a plurality of color samples
US20060146330A1 (en) * 2005-01-04 2006-07-06 Selvan Maniam Color measurements of ambient light
JP4434976B2 (ja) 2005-02-01 2010-03-17 キヤノン株式会社 画像処理装置、プログラム及び画像処理方法
US7463385B2 (en) * 2005-06-30 2008-12-09 Hewlett-Packard Development Company, L.P. Color map selection
KR100664958B1 (ko) * 2005-07-11 2007-01-04 삼성전자주식회사 미리 정의된 데이터와 색특성 정보를 이용하여 최적 변환된영상을 출력하는 방법 및 프린터
US7495799B2 (en) * 2005-09-23 2009-02-24 Xerox Corporation Maximum gamut strategy for the printing systems
WO2007084566A2 (en) * 2006-01-21 2007-07-26 Iq Colour, Llc Color and darkness management system
US20070171441A1 (en) * 2006-01-21 2007-07-26 Iq Colour, Llc Color and darkness management system
JP4802991B2 (ja) * 2006-11-14 2011-10-26 富士ゼロックス株式会社 色処理装置、色処理方法およびプログラム
JP4396692B2 (ja) * 2006-11-27 2010-01-13 セイコーエプソン株式会社 色変換装置、色変換方法、色変換プログラム、色変換プログラムを記録した記録媒体、及び画像処理装置、並びに画像表示装置
US7933445B2 (en) * 2007-01-09 2011-04-26 Sharp Laboratories Of America, Inc. Color gamut mapping/enhancement technique using skin color detection
US7446303B2 (en) * 2007-01-31 2008-11-04 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd Ambient light sensing using a color sensor
EP2009899A1 (de) * 2007-06-27 2008-12-31 Thomson Licensing Verfahren zur Erstellung eines Skalengrenzenbeschreibers, der die Diskontinuitäten einer Skalenoberfläche konserviert
US7898706B2 (en) * 2007-07-20 2011-03-01 Texas Instruments Incorporated System and method for maintaining hue constancy
US8310716B2 (en) * 2007-12-05 2012-11-13 Sharp Laboratories Of America, Inc. Systems and methods for designing a set of black generation transfer curves
US8401289B2 (en) * 2009-07-31 2013-03-19 Eastman Kodak Company Method for matching colors between two systems
US8355573B2 (en) * 2009-07-31 2013-01-15 Eastman Kodak Company Method for matching colors by using human observer color matching functions
US8203756B2 (en) * 2009-07-31 2012-06-19 Eastman Kodak Company Method for characterizing the color response of an imaging device
US8223336B2 (en) * 2009-07-31 2012-07-17 Eastman Kodak Company Method for converting digital color images
US8358318B2 (en) * 2009-07-31 2013-01-22 Eastman Kodak Company Method for reproducing an image on an imaging device
US8203712B2 (en) * 2009-07-31 2012-06-19 Eastman Kodak Company Method and apparatus for measuring colors
JP6108902B2 (ja) * 2013-03-26 2017-04-05 キヤノン株式会社 処理装置、光音響装置、処理方法、およびプログラム
US9179042B2 (en) 2013-10-09 2015-11-03 Dolby Laboratories Licensing Corporation Systems and methods to optimize conversions for wide gamut opponent color spaces
US20160323563A1 (en) * 2013-12-10 2016-11-03 Thomson Licensing Method for compensating for color differences between different images of a same scene
CN116485979B (zh) * 2023-04-28 2024-03-26 神力视界(深圳)文化科技有限公司 映射关系计算方法、颜色校准方法及电子设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941039A (en) * 1989-04-04 1990-07-10 Eastman Kodak Company Color image reproduction apparatus having a least squares look-up table augmented by smoothing
EP0475554B1 (de) * 1990-02-05 1997-08-06 Scitex Corporation Ltd. Farbeichungsgerät und -verfahren
JP2666523B2 (ja) * 1990-05-16 1997-10-22 松下電器産業株式会社 色変換装置

Also Published As

Publication number Publication date
JPH0856289A (ja) 1996-02-27
DE69522143D1 (de) 2001-09-20
US5596428A (en) 1997-01-21

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGFA HEALTHCARE NV, MORTSEL, BE

8339 Ceased/non-payment of the annual fee