CA2001261A1 - Methode et appareil d'enregistrement d'images en demi-teintes et images en demi-teintes produites selon cette methode - Google Patents

Methode et appareil d'enregistrement d'images en demi-teintes et images en demi-teintes produites selon cette methode

Info

Publication number
CA2001261A1
CA2001261A1 CA2001261A CA2001261A CA2001261A1 CA 2001261 A1 CA2001261 A1 CA 2001261A1 CA 2001261 A CA2001261 A CA 2001261A CA 2001261 A CA2001261 A CA 2001261A CA 2001261 A1 CA2001261 A1 CA 2001261A1
Authority
CA
Canada
Prior art keywords
halftone images
produced
recording
intervals
parallel lines
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.)
Granted
Application number
CA2001261A
Other languages
English (en)
Other versions
CA2001261C (fr
Inventor
Osamu Kitagawa
Takashi Sakamoto
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of CA2001261A1 publication Critical patent/CA2001261A1/fr
Application granted granted Critical
Publication of CA2001261C publication Critical patent/CA2001261C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • 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
    • H04N1/52—Circuits or arrangements for halftone screening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/14—Multicolour printing
    • B41M1/20—Multicolour printing by applying differently-coloured inks simultaneously to different parts of the printing surface
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/22—Screening processes; Screens therefor combining several screens; Elimination of moiré
    • 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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4058—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern with details for producing a halftone screen at an oblique angle

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Color, Gradation (AREA)
  • Dot-Matrix Printers And Others (AREA)
CA002001261A 1988-11-24 1989-10-23 Methode et appareil d'enregistrement d'images en demi-teintes et images en demi-teintes produites selon cette methode Expired - Fee Related CA2001261C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP29656988 1988-11-24
JP63-296569 1988-11-24
JP1-205127 1989-08-08
JP1205127A JPH0691621B2 (ja) 1988-11-24 1989-08-08 網目版画像記録方法および装置

Publications (2)

Publication Number Publication Date
CA2001261A1 true CA2001261A1 (fr) 1990-05-24
CA2001261C CA2001261C (fr) 1994-11-15

Family

ID=26514871

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002001261A Expired - Fee Related CA2001261C (fr) 1988-11-24 1989-10-23 Methode et appareil d'enregistrement d'images en demi-teintes et images en demi-teintes produites selon cette methode

Country Status (7)

Country Link
US (1) US5055923A (fr)
EP (1) EP0370271B1 (fr)
JP (1) JPH0691621B2 (fr)
KR (1) KR910007211B1 (fr)
CN (1) CN1088549C (fr)
CA (1) CA2001261C (fr)
DE (1) DE68925348T2 (fr)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793500A (en) * 1989-07-20 1998-08-11 Netz; Yoel Devices and methods for offset and similar printing systems
US6163382A (en) * 1989-07-20 2000-12-19 Netz; Yoel Devices and methods for offset and similar printing systems
IL91054A0 (fr) † 1989-07-20 1990-02-09
US5801838A (en) * 1989-10-04 1998-09-01 Array Printers Ab Method and device to improve print quality of gray scales and color for printers
US5213034A (en) * 1990-07-09 1993-05-25 Sony Corporation Gravure printing plate with angled and offset hole pattern and smear preventing slots adjacent the holes
DE69125958T2 (de) * 1990-07-09 1997-08-21 Sony Corp Druckplatte
US5253084A (en) * 1990-09-14 1993-10-12 Minnesota Mining And Manufacturing Company General kernel function for electronic halftone generation
US5323245A (en) * 1990-09-14 1994-06-21 Minnesota Mining And Manufacturing Company Perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5258832A (en) * 1990-09-14 1993-11-02 Minnesota Mining And Manufacturing Company Non-perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5583660A (en) * 1990-09-14 1996-12-10 Minnesota Mining And Manufacturing Company Non-perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5264926A (en) * 1990-09-14 1993-11-23 Minnesota Mining And Manufacturing Company Perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
JPH07110044B2 (ja) * 1990-09-21 1995-11-22 日本電気エンジニアリング株式会社 ハーフトーン作成装置
AU704935B2 (en) * 1991-08-13 1999-05-06 Megadot Systems Limited Halftone printing area patterns
NZ239389A (en) * 1991-08-13 1997-11-24 Megadot Systems Ltd Preparing half tone images: dots have inwardly curved edges
US6072592A (en) * 1991-08-13 2000-06-06 Megadot Systems Limited Method and apparatus for preparing color screens in a halftone image
EP0527655B1 (fr) * 1991-08-13 2000-11-02 Megadot Systems Limited Ecrans d'impression en demi-teints
AU4237593A (en) * 1992-05-06 1993-11-29 Microsoft Corporation Method and system of color halftone reproduction
DE4313448C2 (de) * 1992-05-22 1995-04-27 Kienlin Albrecht Von Verfahren zur elektronischen Verarbeitung mehrfarbiger Halbton-Bildvorlagen
US5548407A (en) * 1992-05-22 1996-08-20 Albrecht von Kienlin Process for electronic processing of multi-colored continuous-tone images
JP3597529B2 (ja) * 1992-06-05 2004-12-08 ネクスプレス ソリューションズ， インコーポレイティド グレイレベル印刷方式により画像を再生する方法および装置
JP2791527B2 (ja) * 1992-07-23 1998-08-27 大日本スクリーン製造株式会社 網目版画像記録方法
US5404156A (en) * 1992-07-25 1995-04-04 Fuji Xerox Co., Ltd. Method and apparatus for forming a full-color image
US5748195A (en) * 1992-10-29 1998-05-05 International Business Machines Corporation Method and means for evaluating a tetrahedral linear interpolation function
US5432892A (en) * 1992-11-25 1995-07-11 International Business Machines Corporation Volummetric linear interpolation
US5751926A (en) * 1992-12-23 1998-05-12 International Business Machines Corporation Function approximation using a centered cubic packing with tetragonal disphenoid extraction
US5390035A (en) * 1992-12-23 1995-02-14 International Business Machines Corporation Method and means for tetrahedron/octahedron packing and tetrahedron extraction for function approximation
US5742743A (en) * 1993-04-08 1998-04-21 Scitex Corporation Ltd. Apparatus and method for generating a screen reproduction of a color image including dot shape rotation
EP0631430A3 (fr) * 1993-06-22 1995-02-22 Nippon Electric Co Appareil de traitement d'images en couleurs permettant la suppression de moiré.
EP0647058B1 (fr) * 1993-09-28 1999-04-14 Hewlett-Packard Company Reproduction numérique en demi-teintes d'une image à tonalités de gris avec corrélation diagonale dépendante de la fréquence
JPH07101032A (ja) * 1993-09-30 1995-04-18 Sony Corp レーザ製版装置及び刷版
EP0665673A3 (fr) * 1994-02-01 1996-06-12 Dainippon Screen Mfg Procédé et appareil pour la production d'une image en demi-teintes utilisant une matrice de seuils.
ATE222039T1 (de) * 1994-04-27 2002-08-15 Agfa Gevaert Mehrstufige halbtonrasterung mit gruppierten punkten und linien für den elektrografischen farbdruck
US5946453A (en) * 1995-04-27 1999-08-31 Agfa Corporation Clustered dot and line multilevel halftoning for electrographic color printing
DE69518626T2 (de) * 1995-05-05 2001-05-03 Agfa Gevaert Nv Moirefreie Multipegelhalbtonerzeugung für Farbbilder
US5691823A (en) * 1995-06-26 1997-11-25 Scitex Corporation Ltd. Apparatus and method for random screening
US6137494A (en) * 1995-08-18 2000-10-24 International Business Machines Corporation Method and means for evaluating a tetrahedral linear interpolation function
US5930010A (en) * 1996-01-31 1999-07-27 Lexmark International, Inc. Method and apparatus for color halftoning using different halftoning techniques for halftoning different dot planes
JPH10145625A (ja) * 1996-11-15 1998-05-29 Minolta Co Ltd 多色画像形成装置及び多色画像形成方法
US6317220B1 (en) * 1996-12-06 2001-11-13 Seiko Epson Corporation Image forming apparatus capable of preventing linear nonuniformity and improving image quality
US5966507A (en) * 1997-08-25 1999-10-12 Hewlett-Packard Company Image resolution enhancement technology (IRET) for dual dye-load inkjet printer
USRE41604E1 (en) 1999-03-16 2010-08-31 Megadot Systems Limited Halftone patterns
US6382099B1 (en) * 1999-05-17 2002-05-07 Mark L. Herrmann Printing apparatus and method for preventing barring or banding on a printed substrate
JP4198835B2 (ja) * 1999-08-27 2008-12-17 株式会社沖データ 書き込み装置、画像形成装置及びｌｅｄヘッド
US6678425B1 (en) * 1999-12-06 2004-01-13 Xerox Corporation Method and apparatus for decoding angular orientation of lattice codes
US6956670B1 (en) * 2000-10-24 2005-10-18 International Business Machines Corporation Method, system, program, and data structures for halftoning with line screens having different lines per inch (LPI)
EP1237354B1 (fr) * 2001-03-01 2013-08-14 Epple Druckfarben AG Procédé de reproduction par impression
US7394570B2 (en) * 2001-03-07 2008-07-01 Esko-Graphics Imaging Gmbh Method and apparatus for eliminating seams in screened image data for repetitive printing
US7492480B2 (en) * 2001-08-27 2009-02-17 Phototype Engraving Company System for halftone screen production
US20030213392A1 (en) * 2002-05-20 2003-11-20 The Procter & Gamble Company Method for improving printing press hygiene
EP1370067B1 (fr) * 2002-06-05 2015-01-21 Océ-Technologies B.V. Procédé et système pour le traitement d'une image en plusieurs couleurs
EP1370066A1 (fr) * 2002-06-05 2003-12-10 Océ-Technologies B.V. Procédé et système pour le traitement d'une image en plusieurs couleurs
JP4100157B2 (ja) * 2002-12-09 2008-06-11 富士ゼロックス株式会社 画像形成装置及び方法
US6945647B2 (en) * 2002-12-20 2005-09-20 Eastman Kodak Company Method for increasing the diameter of an ink jet ink dot
JP2005027109A (ja) * 2003-07-03 2005-01-27 Ricoh Co Ltd カラー画像形成装置およびカラー画像形成方法
US7839537B2 (en) * 2004-04-30 2010-11-23 Eastman Kodak Company Method and apparatus for multi-color printing using a rosette or diamond halftone screen for one or more of the colors
US7508549B2 (en) * 2004-04-30 2009-03-24 Eastman Kodak Company Method and apparatus for multi-color printing using hybrid dot-line halftone composite screens
US7508545B2 (en) * 2004-09-27 2009-03-24 Eastman Kodak Company Color contour detection and correction
JP4440745B2 (ja) * 2004-09-30 2010-03-24 株式会社リコー 画像形成装置
CN1317604C (zh) * 2004-12-20 2007-05-23 北京北大方正电子有限公司 一种用于打印机的线圆形网点的生成方法
DE502006001300D1 (de) * 2005-05-03 2008-09-25 Merck Patent Gmbh Verwendung von lasergravierten Druckformen
JP4797766B2 (ja) * 2006-04-17 2011-10-19 富士ゼロックス株式会社 画像処理装置、画像形成装置および画像処理方法
US8355179B2 (en) * 2008-03-31 2013-01-15 Wu Judy Wailing Multi-tonal copy evident document methods and products
US20110141525A1 (en) * 2009-12-15 2011-06-16 Ng Yee S Multi-level halftone screens
JP2012100240A (ja) 2010-03-09 2012-05-24 Ricoh Co Ltd 画像処理装置、及び、画像処理方法
WO2014102655A1 (fr) 2012-12-24 2014-07-03 Megadot Systems Limited Procédé et système de formation d'un écran en demi-teinte
EP3224765B1 (fr) * 2014-11-26 2022-07-20 HP Indigo B.V. Impression sans rosette

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1901101A1 (de) * 1969-01-10 1970-10-29 Hell Rudolf Dr Ing Fa Verfahren zur punkt- und zeilenweisen gerasterten Aufzeichnung der durch Abtastung von Halbtonbildern gewonnenen Bildsignale mit gegen die Aufzeichnungsrichtung gedrehtem Raster
US4084183A (en) * 1970-03-18 1978-04-11 Dr. Ing. Rudolf Hell Gmbh. Method for the electro-optical reproduction of half-tone pictures
US3742129A (en) * 1971-07-07 1973-06-26 Harris Intertype Corp Apparatus and method for generating halftones for image reproduction
US3911480A (en) * 1972-12-08 1975-10-07 John P Brucker Generating screened half-tones by scanning
US4081828A (en) * 1976-03-15 1978-03-28 Geosource, Inc. Method for halftone reproduction of continuous tone images
US4149183A (en) * 1976-05-21 1979-04-10 Xerox Corporation Electronic halftone generator
US4142462A (en) * 1977-05-11 1979-03-06 International Paper Company Halftone printing method
US4246614A (en) * 1979-12-26 1981-01-20 Xerox Corporation Binary graphic printer system having an electronic screen with shift control suited for rescreening
US4456924A (en) * 1980-04-14 1984-06-26 Scitex Corporation Ltd. Screened image reproduction
DE3037774C2 (de) * 1980-10-06 1982-06-16 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zum Darstellen von mehrfarbigen Halbtonbildern
US4499489A (en) * 1981-06-08 1985-02-12 Dr. Ing. Rudolf Hell Gmbh Production of screen printing blocks
JPS5977769A (ja) * 1982-10-27 1984-05-04 Canon Inc 像再生装置
JPS5978353A (ja) * 1982-10-28 1984-05-07 Dainippon Screen Mfg Co Ltd 網目版画像記録装置における網点形成方法
ATE29815T1 (de) * 1983-11-14 1987-10-15 Hell Rudolf Dr Ing Gmbh Verfahren und einrichtung zur herstellung gerasterter druckformen.
JPS6240872A (ja) * 1985-08-16 1987-02-21 Seikosha Co Ltd 感熱記録装置
US4942480A (en) * 1988-09-06 1990-07-17 Nynex Corporation Reproduction of halftone original with moire reduction and tone adjustment
US4924301A (en) * 1988-11-08 1990-05-08 Seecolor Corporation Apparatus and methods for digital halftoning
US4916545A (en) * 1988-11-16 1990-04-10 Eastman Kodak Company Electronic graphic arts screener that suppresses Moire patterns using pseudo-random font selection
US4926267A (en) * 1989-05-26 1990-05-15 Nynex Corporation Reproduction of halftone original with reduced moire

Also Published As

Publication number Publication date
DE68925348D1 (de) 1996-02-15
US5055923A (en) 1991-10-08
CN1088549C (zh) 2002-07-31
KR900007626A (ko) 1990-06-01
CA2001261C (fr) 1994-11-15
CN1044348A (zh) 1990-08-01
JPH02244047A (ja) 1990-09-28
JPH0691621B2 (ja) 1994-11-14
KR910007211B1 (ko) 1991-09-20
DE68925348T2 (de) 1996-11-14
EP0370271B1 (fr) 1996-01-03
EP0370271A2 (fr) 1990-05-30
EP0370271A3 (en) 1990-12-12

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