DE69229084T2 - Farbvorstellungsverfahren, Farbbildlesegerät und Farbbildverarbeitungsgerät - Google Patents

Farbvorstellungsverfahren, Farbbildlesegerät und Farbbildverarbeitungsgerät

Info

Publication number
DE69229084T2
DE69229084T2 DE69229084T DE69229084T DE69229084T2 DE 69229084 T2 DE69229084 T2 DE 69229084T2 DE 69229084 T DE69229084 T DE 69229084T DE 69229084 T DE69229084 T DE 69229084T DE 69229084 T2 DE69229084 T2 DE 69229084T2
Authority
DE
Germany
Prior art keywords
color image
color
processing apparatus
imaging process
image processing
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
DE69229084T
Other languages
English (en)
Other versions
DE69229084D1 (de
Inventor
Akihiro Usami
Takashi Kawai
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 Inc
Original Assignee
Canon Inc
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
Priority claimed from JP16703791A external-priority patent/JP3200093B2/ja
Priority claimed from JP00011192A external-priority patent/JP3233961B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69229084D1 publication Critical patent/DE69229084D1/de
Publication of DE69229084T2 publication Critical patent/DE69229084T2/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
    • H04N1/46—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
    • 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
DE69229084T 1991-07-08 1992-07-07 Farbvorstellungsverfahren, Farbbildlesegerät und Farbbildverarbeitungsgerät Expired - Lifetime DE69229084T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16703791A JP3200093B2 (ja) 1991-07-08 1991-07-08 カラー画像処理装置
JP00011192A JP3233961B2 (ja) 1992-01-06 1992-01-06 カラー画像処理装置及びその方法

Publications (2)

Publication Number Publication Date
DE69229084D1 DE69229084D1 (de) 1999-06-10
DE69229084T2 true DE69229084T2 (de) 1999-10-21

Family

ID=26333026

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229084T Expired - Lifetime DE69229084T2 (de) 1991-07-08 1992-07-07 Farbvorstellungsverfahren, Farbbildlesegerät und Farbbildverarbeitungsgerät

Country Status (3)

Country Link
US (2) US5422739A (de)
EP (1) EP0523898B1 (de)
DE (1) DE69229084T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05183743A (ja) * 1992-01-06 1993-07-23 Canon Inc 色表現方法及びカラー画像処理装置
US5485284A (en) * 1992-01-06 1996-01-16 Canon Kabushiki Kaisha Image processing system for performing color image data calibration
US5748342A (en) * 1994-04-18 1998-05-05 Canon Kabushiki Kaisha Image processing apparatus and method
JP3236167B2 (ja) * 1994-07-06 2001-12-10 キヤノン株式会社 画像形成装置および画像処理装置および画像処理方法
US5726778A (en) * 1994-09-16 1998-03-10 Canon Kabushiki Kaisha Image processing apparatus with color-space conversion
EP0765748A3 (de) * 1995-09-29 1997-08-13 Goss Graphics Systems Inc Einrichtung zum Ausrichten von Bildern in einem Kontrollsystem für eine Druckmaschine
US6449060B1 (en) * 1996-07-22 2002-09-10 Canon Kabushiki Kaisha Image processing apparatus and method
DE19943183A1 (de) 1999-09-09 2001-03-15 Heimann Systems Gmbh & Co Verfahren zur Farbanpassung eines Bildes, insbesondere eines Röntgenbildes
JP2002109523A (ja) * 2000-09-28 2002-04-12 Minolta Co Ltd 撮像装置、光学フィルタ群および画像データ変換装置
JP3733296B2 (ja) * 2001-03-19 2006-01-11 キヤノン株式会社 撮像光学系および撮像装置
JP2004120217A (ja) * 2002-08-30 2004-04-15 Canon Inc 画像処理装置、画像処理方法、プログラムおよび記録媒体
US7570835B2 (en) 2004-02-17 2009-08-04 International Business Machines Corporation Edge smoothing filter for character recognition
US20050278505A1 (en) * 2004-05-19 2005-12-15 Lim Seow C Microprocessor architecture including zero impact predictive data pre-fetch mechanism for pipeline data memory
US8199184B2 (en) 2007-11-06 2012-06-12 Cisco Technology, Inc. Visually enhancing a conference
CN103871391B (zh) * 2012-12-15 2016-08-17 联想(北京)有限公司 一种色彩显示的方法和设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844158C3 (de) * 1978-10-10 1981-10-15 Burda Verwaltungs Kg Schutterwald, 7600 Offenburg Verfahren zur Reproduktion von Originalvorlagen welche bezüglich ihres Farbgehaltes nach einem Dreibereichsverfahren abgetastet werden
DE3539540A1 (de) * 1984-11-08 1986-05-22 Canon K.K., Tokio/Tokyo Farbbildbehandlungsverfahren
US4670780A (en) * 1985-05-28 1987-06-02 Tektronix, Inc. Method of matching hardcopy colors to video display colors in which unreachable video display colors are converted into reachable hardcopy colors in a mixture-single-white (MSW) color space
US4769718A (en) * 1986-01-07 1988-09-06 Ushio Denki Kabushiki Kaisha Image processing apparatus
DE3839299C2 (de) * 1987-11-20 1995-06-01 Canon Kk Bildverarbeitungseinrichtung
EP0415648B1 (de) * 1989-08-31 1998-05-20 Canon Kabushiki Kaisha Vorrichtung zur Bildverarbeitung
JPH04185075A (ja) * 1990-11-20 1992-07-01 Canon Inc カラー画像処理装置
US5299291A (en) * 1992-10-05 1994-03-29 Canon Information Systems Color printing method and apparatus using an out-of-gamut color table

Also Published As

Publication number Publication date
EP0523898B1 (de) 1999-05-06
EP0523898A1 (de) 1993-01-20
DE69229084D1 (de) 1999-06-10
US5504592A (en) 1996-04-02
US5422739A (en) 1995-06-06

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Legal Events

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8364 No opposition during term of opposition