DE69730268D1 - Verfahren und System zur Bestimmung von Farbmittelmengen - Google Patents

Verfahren und System zur Bestimmung von Farbmittelmengen

Info

Publication number
DE69730268D1
DE69730268D1 DE69730268T DE69730268T DE69730268D1 DE 69730268 D1 DE69730268 D1 DE 69730268D1 DE 69730268 T DE69730268 T DE 69730268T DE 69730268 T DE69730268 T DE 69730268T DE 69730268 D1 DE69730268 D1 DE 69730268D1
Authority
DE
Germany
Prior art keywords
colorant
determining amounts
amounts
determining
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
DE69730268T
Other languages
English (en)
Other versions
DE69730268T2 (de
Inventor
Robert M Coleman
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
Publication of DE69730268D1 publication Critical patent/DE69730268D1/de
Application granted granted Critical
Publication of DE69730268T2 publication Critical patent/DE69730268T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0082—Architecture adapted for a particular function
    • G06K2215/0094—Colour printing
DE69730268T 1996-05-24 1997-05-23 Verfahren und System zur Bestimmung von Farbmittelmengen Expired - Lifetime DE69730268T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US653182 1996-05-24
US08/653,182 US5784172A (en) 1996-05-24 1996-05-24 Automatic algorithmic determination of process black over a color field

Publications (2)

Publication Number Publication Date
DE69730268D1 true DE69730268D1 (de) 2004-09-23
DE69730268T2 DE69730268T2 (de) 2004-12-30

Family

ID=24619826

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69730268T Expired - Lifetime DE69730268T2 (de) 1996-05-24 1997-05-23 Verfahren und System zur Bestimmung von Farbmittelmengen

Country Status (4)

Country Link
US (1) US5784172A (de)
EP (1) EP0811948B1 (de)
JP (1) JP4215290B2 (de)
DE (1) DE69730268T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923821A (en) * 1996-09-27 1999-07-13 Xerox Corporation Digital image trapping system
US5848225A (en) * 1996-12-04 1998-12-08 Xerox Corporation Color bitmap merging of black objects using separation maximum value clipping
US6088122A (en) * 1997-03-28 2000-07-11 Xerox Corporation Creation of colorant controlled neutral black objects in a bit map printing system
US6169609B1 (en) * 1998-06-09 2001-01-02 Hewlett-Packard Company Imaging device and method for implementing a color map with K-only black point while reducing interpolator artifacts
JP3852234B2 (ja) * 1999-02-09 2006-11-29 富士ゼロックス株式会社 画像処理装置および画像処理方法
US6856428B1 (en) 1999-06-10 2005-02-15 Electronics For Imaging, Inc. Black text printing from page description languages
US7110140B1 (en) 1999-08-05 2006-09-19 Xerox Corporation Methods and systems for undercolor reduction
US6757071B1 (en) 1999-11-09 2004-06-29 Xerox Corporation Intelligent printer driver and user interface and method to recommend and/or automatically modify a document for printing, and a method therefore
US7900144B1 (en) * 2000-03-23 2011-03-01 Eastman Kodak Company Modification of color values in page description files
US7116821B2 (en) * 2002-03-25 2006-10-03 Lexmark International, Inc. Color trapping for an image forming apparatus
US6776473B2 (en) * 2002-12-16 2004-08-17 Lexmark International, Inc. Method of mixing multi-level black and color inks in a printing system
JP4251170B2 (ja) 2005-09-22 2009-04-08 コニカミノルタビジネステクノロジーズ株式会社 画像処理プログラム、画像処理プログラムを記録した記録媒体、画像処理装置、および画像処理方法
US8437045B2 (en) * 2009-08-27 2013-05-07 Xerox Corporation Bitmapped based trapping methods, apparatus and system by modifying non-black halftone pixel bitmap plane using estimated continuous tone value
CN102012213B (zh) * 2010-08-31 2012-10-24 吉林大学 单副图像测量前景高度的新方法
US8995021B2 (en) 2013-06-12 2015-03-31 Xerox Corporation Black trapping methods, apparatus and systems for binary images
JP6821418B2 (ja) * 2016-12-16 2021-01-27 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4500919A (en) * 1982-05-04 1985-02-19 Massachusetts Institute Of Technology Color reproduction system
JPH0736609B2 (ja) * 1991-04-17 1995-04-19 富士ゼロックス株式会社 カラー画像形成装置の下色除去方式
US5231504A (en) * 1991-12-30 1993-07-27 Xerox Corporation Method for improved color reproduction using linear mixing calculations based on positional relationships between an original color and an achromatic region in a linear mixing space
JPH05276368A (ja) * 1992-03-26 1993-10-22 Canon Inc カラー画像処理方法及び装置
US5493323A (en) * 1993-08-05 1996-02-20 Xerox Corporation Color images having multiple separations with minimally overlapping halftone dots
US5588093A (en) * 1993-12-17 1996-12-24 Xerox Corporation Color mapping to preserve detail
US5650942A (en) * 1996-02-02 1997-07-22 Light Source Computer Images, Inc. Appearance-based technique for rendering colors on an output device

Also Published As

Publication number Publication date
EP0811948B1 (de) 2004-08-18
US5784172A (en) 1998-07-21
EP0811948A2 (de) 1997-12-10
DE69730268T2 (de) 2004-12-30
JP4215290B2 (ja) 2009-01-28
EP0811948A3 (de) 2002-09-11
JPH1052947A (ja) 1998-02-24

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Legal Events

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