DE60239249D1 - Umsetzung von Farbbildern auf Grauwertbilder - Google Patents

Umsetzung von Farbbildern auf Grauwertbilder

Info

Publication number
DE60239249D1
DE60239249D1 DE60239249T DE60239249T DE60239249D1 DE 60239249 D1 DE60239249 D1 DE 60239249D1 DE 60239249 T DE60239249 T DE 60239249T DE 60239249 T DE60239249 T DE 60239249T DE 60239249 D1 DE60239249 D1 DE 60239249D1
Authority
DE
Germany
Prior art keywords
images
conversion
grayscale
color
color images
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
DE60239249T
Other languages
English (en)
Inventor
Paul Michiel Hofman
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.)
Canon Production Printing Netherlands BV
Original Assignee
Oce Technologies BV
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 Oce Technologies BV filed Critical Oce Technologies BV
Application granted granted Critical
Publication of DE60239249D1 publication Critical patent/DE60239249D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N1/40—Picture signal circuits
    • H04N1/40012—Conversion of colour to monochrome

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Color, Gradation (AREA)
  • Color Image Communication Systems (AREA)
  • Color Electrophotography (AREA)
DE60239249T 2001-08-23 2002-08-13 Umsetzung von Farbbildern auf Grauwertbilder Expired - Lifetime DE60239249D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1018808A NL1018808C2 (nl) 2001-08-23 2001-08-23 Omzetting van kleurenbeelden in grijswaardenbeelden.

Publications (1)

Publication Number Publication Date
DE60239249D1 true DE60239249D1 (de) 2011-04-07

Family

ID=19773908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60239249T Expired - Lifetime DE60239249D1 (de) 2001-08-23 2002-08-13 Umsetzung von Farbbildern auf Grauwertbilder

Country Status (5)

Country Link
US (1) US7440138B2 (de)
EP (1) EP1292112B1 (de)
JP (1) JP4160335B2 (de)
DE (1) DE60239249D1 (de)
NL (1) NL1018808C2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1453006A1 (de) * 2003-02-28 2004-09-01 Océ-Technologies B.V. Transformiertes digitales Farbbild mit verbesserter Farbunterscheidbarkeit für Farbblinde
US7701489B1 (en) 2003-05-27 2010-04-20 Apple Inc. Method and apparatus for color correction
US7369699B1 (en) 2003-08-29 2008-05-06 Apple Inc. Methods and apparatuses for restoring color and enhancing electronic images
US8462384B2 (en) 2004-09-29 2013-06-11 Apple Inc. Methods and apparatuses for aesthetically enhanced image conversion
US20060082832A1 (en) * 2004-10-20 2006-04-20 Kabushiki Kaisha Toshiba Image processing device and image processing program
KR101090060B1 (ko) * 2006-11-14 2011-12-07 삼성전자주식회사 그레이 이미지의 보정이 가능한 화상형성장치 및화상형성방법
JP4863011B2 (ja) 2007-08-24 2012-01-25 富士ゼロックス株式会社 画像処理装置および画像処理プログラム
US8117134B2 (en) * 2008-10-16 2012-02-14 Xerox Corporation Neutral pixel correction for proper marked color printing
US20100124372A1 (en) * 2008-11-12 2010-05-20 Lockheed Martin Corporation Methods and systems for identifying/accessing color related information
US8390895B2 (en) * 2008-11-14 2013-03-05 Ricoh Production Print Solutions LLC Color conversions in the real domain
KR101024783B1 (ko) 2008-12-30 2011-03-24 포항공과대학교 산학협력단 이미지의 컬러 변환 방법 및 이미지의 컬러 변환 방법이 기록된 기록 매체
KR101074184B1 (ko) 2009-12-29 2011-10-14 포항공과대학교 산학협력단 컬러 이미지를 그레이스케일 이미지로 변환하는 방법 및 이를 수행하는 프로그램이 기록된 기록매체
JP5782804B2 (ja) * 2010-05-24 2015-09-24 株式会社リコー 画像処理装置、画像処理方法およびプログラム
WO2013037684A1 (en) 2011-09-12 2013-03-21 Oce-Technologies B.V. Method for converting a full colour image to a monochrome image
US8937749B2 (en) 2012-03-09 2015-01-20 Xerox Corporation Integrated color detection and color pixel counting for billing
KR101297465B1 (ko) * 2012-03-29 2013-08-16 가톨릭대학교 산학협력단 컬러 영상을 흑백 영상으로 변환하는 변환 방법 및 이를 수행하는 프로그램이 기록된 기록매체
EP2660057B1 (de) * 2012-05-02 2020-07-22 Advanced Vision Technology (AVT) Ltd. Verfahren und System zur Registrierung von Druckstationen einer Druckmaschine
US10315412B2 (en) 2012-05-02 2019-06-11 Advanced Vision Technology (Avt) Ltd. Method and system for registering printing stations of a printing press
JP6060062B2 (ja) * 2013-07-30 2017-01-11 京セラドキュメントソリューションズ株式会社 画像処理装置及びプログラム
CN104972767B (zh) * 2014-04-04 2016-08-17 株式会社理光 医疗图像打印装置及其医疗图像打印系统
CN105644161B (zh) * 2014-11-13 2017-11-17 株式会社理光 医疗图像打印装置及其医疗图像打印系统
IL254078A0 (en) 2017-08-21 2017-09-28 Advanced Vision Tech A V T Ltd Method and system for creating images for testing
WO2020227759A1 (en) * 2019-05-10 2020-11-19 Commonwealth Scientific And Industrial Research Organisation Single image contrast

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Publication number Priority date Publication date Assignee Title
JPS5666974A (en) 1979-11-02 1981-06-05 Canon Inc Picture forming method
DE69227136T2 (de) 1991-02-20 1999-04-01 Canon Kk Bildverarbeitungsgerät
US5428465A (en) * 1991-08-12 1995-06-27 Matsushita Electric Industrial Co., Ltd. Method and apparatus for color conversion
US5729360A (en) * 1994-01-14 1998-03-17 Fuji Xerox Co., Ltd. Color image processing method and system
DE19513030C1 (de) * 1995-04-06 1996-07-25 Siemens Ag Verfahren zur monochromen Darstellung eines farbigen Bildes
JP3778229B2 (ja) * 1996-05-13 2006-05-24 富士ゼロックス株式会社 画像処理装置、画像処理方法、および画像処理システム
US5751450A (en) * 1996-05-22 1998-05-12 Medar, Inc. Method and system for measuring color difference
US5898819A (en) 1996-06-05 1999-04-27 Microsoft Corporation System for black and white printing of colored pages
JP3230479B2 (ja) * 1998-01-16 2001-11-19 日本電気株式会社 ファクシミリ装置
JP3815767B2 (ja) * 1998-05-29 2006-08-30 キヤノン株式会社 画像形成装置，方法，画像処理装置，方法および記録媒体
US6822758B1 (en) * 1998-07-01 2004-11-23 Canon Kabushiki Kaisha Image processing method, system and computer program to improve an image sensed by an image sensing apparatus and processed according to a conversion process
US6829061B1 (en) * 2000-02-10 2004-12-07 Hewlett-Packard Development Company, L.P. Method for determining gray levels in a printer
JP4127594B2 (ja) * 2000-03-23 2008-07-30 理想科学工業株式会社 画像処理方法および装置
EP1453006A1 (de) * 2003-02-28 2004-09-01 Océ-Technologies B.V. Transformiertes digitales Farbbild mit verbesserter Farbunterscheidbarkeit für Farbblinde

Also Published As

Publication number Publication date
JP4160335B2 (ja) 2008-10-01
EP1292112B1 (de) 2011-02-23
US7440138B2 (en) 2008-10-21
JP2003179762A (ja) 2003-06-27
EP1292112A1 (de) 2003-03-12
US20030058475A1 (en) 2003-03-27
NL1018808C2 (nl) 2003-02-25

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