DE69631415D1 - System und verfahren zur stochastischen rasterung mit mehreren dichtepegeln - Google Patents

System und verfahren zur stochastischen rasterung mit mehreren dichtepegeln

Info

Publication number
DE69631415D1
DE69631415D1 DE69631415T DE69631415T DE69631415D1 DE 69631415 D1 DE69631415 D1 DE 69631415D1 DE 69631415 T DE69631415 T DE 69631415T DE 69631415 T DE69631415 T DE 69631415T DE 69631415 D1 DE69631415 D1 DE 69631415D1
Authority
DE
Germany
Prior art keywords
density levels
stochastic screening
several density
several
stochastic
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
DE69631415T
Other languages
English (en)
Other versions
DE69631415T2 (de
Inventor
E Thornton
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.)
Polaroid Corp
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Publication of DE69631415D1 publication Critical patent/DE69631415D1/de
Application granted granted Critical
Publication of DE69631415T2 publication Critical patent/DE69631415T2/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
    • H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
    • H04N1/648—Transmitting or storing the primary (additive or subtractive) colour signals; Compression thereof
    • 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
    • H04N1/40087—Multi-toning, i.e. converting a continuous-tone signal for reproduction with more than two discrete brightnesses or optical densities, e.g. dots of grey and black inks on white paper
DE69631415T 1995-05-04 1996-04-12 System und verfahren zur stochastischen rasterung mit mehreren dichtepegeln Expired - Fee Related DE69631415T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US434651 1989-11-13
US08/434,651 US5696612A (en) 1995-05-04 1995-05-04 Multiple density level stochastic screening system and method
PCT/US1996/005116 WO1996035290A1 (en) 1995-05-04 1996-04-12 Multiple density level stochastic screening system and method

Publications (2)

Publication Number Publication Date
DE69631415D1 true DE69631415D1 (de) 2004-03-04
DE69631415T2 DE69631415T2 (de) 2004-11-11

Family

ID=23725092

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69631415T Expired - Fee Related DE69631415T2 (de) 1995-05-04 1996-04-12 System und verfahren zur stochastischen rasterung mit mehreren dichtepegeln

Country Status (5)

Country Link
US (1) US5696612A (de)
EP (1) EP0824822B1 (de)
CA (1) CA2221973A1 (de)
DE (1) DE69631415T2 (de)
WO (1) WO1996035290A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6014226A (en) * 1997-07-01 2000-01-11 Xerox Corporation Multilevel halftoning with reduced texture contours and coverage control
US6356363B1 (en) 1997-09-30 2002-03-12 Lexmark International, Inc. Method for halftoning using interlocked threshold arrays or interlocked dot profiles
US6020978A (en) * 1997-09-30 2000-02-01 Lexmark International, Inc. Method and apparatus for color halftoning using interlocked threshold arrays
US6801336B1 (en) 1999-08-30 2004-10-05 Creo Inc. System and method for producing halftoned color separations for an output imaging device
US6844941B1 (en) * 2000-06-23 2005-01-18 Xerox Corporation Color halftoning using a single successive-filling halftone screen
US7375857B1 (en) 2000-09-22 2008-05-20 Eastman Kodak Company Print proofing with color and screen matching
EP1239660A1 (de) * 2001-03-09 2002-09-11 Agfa-Gevaert Ausreichende Quantisierung bei der Multipegelhalbtonerzeugung
US7170640B2 (en) * 2001-03-09 2007-01-30 Agfa-Gevaert Adequate quantisation in multilevel halftoning
US6786565B2 (en) * 2001-09-24 2004-09-07 Creo Americas, Inc. Inkjet proofing with matched color and screen resolution
US8467099B2 (en) * 2011-05-16 2013-06-18 Xerox Corporation Directional halftone method with enhanced edge and detail rendition
US9734440B2 (en) 2014-01-29 2017-08-15 Rampage Llc Raster image processor with printhead profile compensation for a multi level digital printing machine

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4510510A (en) * 1982-04-13 1985-04-09 Canon Kabushiki Kaisha Inkjet printer
JPS58215654A (ja) * 1982-06-09 1983-12-15 Canon Inc カラ−画像処理方法
GB2139450B (en) * 1983-03-08 1987-12-16 Canon Kk Color picture forming apparatus
JPS59163951A (ja) * 1983-03-08 1984-09-17 Canon Inc インクジエツト記録方法
US4672432A (en) * 1983-04-28 1987-06-09 Canon Kabushiki Kaisha Method for recording a color image using dots of colorants of different densities
JPS59215889A (ja) * 1983-05-24 1984-12-05 Canon Inc インクジエツト記録方法
JPS59224385A (ja) * 1983-06-04 1984-12-17 Canon Inc インクジエツト記録方法
JPS6056557A (ja) * 1983-09-09 1985-04-02 Canon Inc インクジェット記録方法
US4686538A (en) * 1984-10-31 1987-08-11 Canon Kabushiki Kaisha Tone recording method
US4855753A (en) * 1987-06-19 1989-08-08 Canon Kabushiki Kaisha Method of ink jet recording and ink jet recording apparatus
US4860026A (en) * 1987-06-25 1989-08-22 Canon Kabushiki Kaisha Halftone image recording method using recording data having a plurality of concentrations for one color
US4956638A (en) * 1988-09-16 1990-09-11 International Business Machines Corporation Display using ordered dither
JPH0380767A (ja) * 1989-08-24 1991-04-05 Ricoh Co Ltd 画像の階調記録装置
US5303069A (en) * 1991-12-19 1994-04-12 Camex, Inc. Method for producing a multitone image
US5291311A (en) * 1992-06-29 1994-03-01 Eastman Kodak Company Apparatus and method for generating multi-level output values for pixels in a halftone cell
EP0612181A1 (de) * 1993-02-19 1994-08-24 Linotype-Hell Ag Verfahren und Einrichtung zur Umwandlung von Halbtonwerten in Binärwerte
EP0650289A1 (de) * 1993-10-04 1995-04-26 Eastman Kodak Company Verfahren und Gerät zur Erzeugung von Halbtonmustern für eine Multipegelausgabeeinrichtung

Also Published As

Publication number Publication date
EP0824822B1 (de) 2004-01-28
WO1996035290A1 (en) 1996-11-07
CA2221973A1 (en) 1996-11-07
US5696612A (en) 1997-12-09
EP0824822A1 (de) 1998-02-25
DE69631415T2 (de) 2004-11-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee