BR0304519A - Balanceamento de cinzas em impressoras coloridas - Google Patents

Balanceamento de cinzas em impressoras coloridas

Info

Publication number
BR0304519A
BR0304519A BR0304519-6A BR0304519A BR0304519A BR 0304519 A BR0304519 A BR 0304519A BR 0304519 A BR0304519 A BR 0304519A BR 0304519 A BR0304519 A BR 0304519A
Authority
BR
Brazil
Prior art keywords
balancing
ash
color printers
gray
data values
Prior art date
Application number
BR0304519-6A
Other languages
English (en)
Inventor
Meng Yao
Martin S Maltz
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
Publication of BR0304519A publication Critical patent/BR0304519A/pt

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
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color, Gradation (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)

Abstract

"BALANCEAMENTO DE CINZAS EM IMPRESSORAS COLORIDAS". Técnica de balanceamento de cinza em que os valores de dados de cores são modificados somente se os valores de dados de cores primárias incluírem um componente de cinza.
BR0304519-6A 2002-10-15 2003-10-14 Balanceamento de cinzas em impressoras coloridas BR0304519A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/270,966 US7576885B2 (en) 2002-10-15 2002-10-15 Balancing grays on color printers

Publications (1)

Publication Number Publication Date
BR0304519A true BR0304519A (pt) 2004-08-31

Family

ID=32042905

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0304519-6A BR0304519A (pt) 2002-10-15 2003-10-14 Balanceamento de cinzas em impressoras coloridas

Country Status (5)

Country Link
US (1) US7576885B2 (pt)
EP (1) EP1411715A3 (pt)
JP (1) JP4327549B2 (pt)
BR (1) BR0304519A (pt)
CA (1) CA2444319C (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8014024B2 (en) * 2005-03-02 2011-09-06 Xerox Corporation Gray balance for a printing system of multiple marking engines
US7715044B2 (en) * 2005-03-29 2010-05-11 Xerox Corporation Two-dimensional gray component replacement
US8149454B2 (en) * 2005-06-09 2012-04-03 Xerox Corporation Color printing
JP4877279B2 (ja) * 2008-05-30 2012-02-15 富士ゼロックス株式会社 画像処理装置、画像処理プログラム
US8937749B2 (en) 2012-03-09 2015-01-20 Xerox Corporation Integrated color detection and color pixel counting for billing

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109190C2 (de) 1981-03-11 1985-07-11 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Reproduktion farbiger Vorlagen im Vierfarbendruck unter Farbrücknahme
EP0741042B1 (en) * 1992-09-30 2002-08-28 Hewlett-Packard Company, A Delaware Corporation Method of reducing ink migration in digital color printing
US5305119A (en) 1992-10-01 1994-04-19 Xerox Corporation Color printer calibration architecture
JP2741996B2 (ja) 1992-10-30 1998-04-22 大日本スクリーン製造株式会社 正規化曲線の作成方法
US5604567A (en) * 1994-06-03 1997-02-18 Xerox Corporation Printer color and gray balance adjustment system
US5710824A (en) * 1996-03-13 1998-01-20 Xerox Corporation System to improve printer gamut
JPH1013697A (ja) * 1996-06-18 1998-01-16 Canon Inc 画像処理装置およびその方法
JPH10200765A (ja) 1997-01-08 1998-07-31 Canon Inc 画像処理方法及び装置及び記録装置
US6480299B1 (en) 1997-11-25 2002-11-12 University Technology Corporation Color printer characterization using optimization theory and neural networks
US6607258B2 (en) 2001-04-11 2003-08-19 Hewlett-Packard Development Company, L.P. Proofing data file generated by target printer facility
US7088470B2 (en) 2001-06-04 2006-08-08 Hewlett-Packard Development Company, L.P. All-device-space automatic black replacement
US7027185B2 (en) 2001-07-30 2006-04-11 Hewlett-Packard Development Company, L.P. Linearization of an incremental printer by measurements referred to a media-independent sensor calibration
US7190487B2 (en) 2001-09-25 2007-03-13 Sharp Laboratories Of America, Inc. Color conversion with hue straightening using multiple look-up tables and interpolation
EP1398956A1 (en) * 2002-09-05 2004-03-17 Hewlett Packard Company, a Delaware Corporation 4-dimensional gray neutrality calibration
US7423778B2 (en) * 2003-08-01 2008-09-09 Ecole Polytechnique Federale De Lausanne (Epfl) Prediction model for color separation, calibration and control of printers

Also Published As

Publication number Publication date
EP1411715A2 (en) 2004-04-21
JP4327549B2 (ja) 2009-09-09
JP2004136676A (ja) 2004-05-13
CA2444319C (en) 2012-04-24
US20040070775A1 (en) 2004-04-15
EP1411715A3 (en) 2006-02-08
US7576885B2 (en) 2009-08-18
CA2444319A1 (en) 2004-04-15

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 12A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 2327 DE 11/08/2015.