DE69510918T2 - Druckplatte und Verfahren zur Bildreproduktion - Google Patents

Druckplatte und Verfahren zur Bildreproduktion

Info

Publication number
DE69510918T2
DE69510918T2 DE69510918T DE69510918T DE69510918T2 DE 69510918 T2 DE69510918 T2 DE 69510918T2 DE 69510918 T DE69510918 T DE 69510918T DE 69510918 T DE69510918 T DE 69510918T DE 69510918 T2 DE69510918 T2 DE 69510918T2
Authority
DE
Germany
Prior art keywords
printing plate
image reproduction
reproduction method
image
printing
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
DE69510918T
Other languages
English (en)
Other versions
DE69510918D1 (de
Inventor
Paul Delabastita
Katrien Daels
Hunsel Johan Van
Cauwenberge Jan Van
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.)
Agfa NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Application granted granted Critical
Publication of DE69510918D1 publication Critical patent/DE69510918D1/de
Publication of DE69510918T2 publication Critical patent/DE69510918T2/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
    • H04N1/40—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69510918T 1995-04-28 1995-04-28 Druckplatte und Verfahren zur Bildreproduktion Expired - Lifetime DE69510918T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95201096A EP0740457B1 (de) 1995-04-28 1995-04-28 Druckplatte und Verfahren zur Bildreproduktion

Publications (2)

Publication Number Publication Date
DE69510918D1 DE69510918D1 (de) 1999-08-26
DE69510918T2 true DE69510918T2 (de) 2000-03-30

Family

ID=8220228

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69510918T Expired - Lifetime DE69510918T2 (de) 1995-04-28 1995-04-28 Druckplatte und Verfahren zur Bildreproduktion

Country Status (4)

Country Link
US (1) US5766807A (de)
EP (2) EP0740457B1 (de)
JP (2) JP2736048B2 (de)
DE (1) DE69510918T2 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1296160B1 (it) * 1996-09-02 1999-06-09 Enzo Ferri Procedimento per la stampa flessografica e offset a secco
US6049330A (en) * 1997-08-28 2000-04-11 Oak Technology, Inc. Method and apparatus for optimizing storage of compressed images in memory
FR2778298B1 (fr) * 1998-04-30 2000-07-07 Oreal Procedes de conversion et de reproduction d'une image, organe de transfert d'encre et support comportant une telle image
US6266154B1 (en) * 1998-05-21 2001-07-24 Oak Technology, Inc. Grayscale enhancement system and method
US6249355B1 (en) 1998-10-26 2001-06-19 Hewlett-Packard Company System providing hybrid halftone
US6690837B1 (en) * 1998-11-03 2004-02-10 Agfa-Gevaert Screening method for overlapping sub-images
US7492480B2 (en) * 2001-08-27 2009-02-17 Phototype Engraving Company System for halftone screen production
US20030107768A1 (en) * 2001-12-04 2003-06-12 Crounse Kenneth R. Halftoning with uniformly dispersed dot growth
WO2004049694A1 (en) * 2002-11-25 2004-06-10 Agfa-Gevaert Method for generating non-printing dots in a screened representation of an image
US20040136035A1 (en) * 2002-12-05 2004-07-15 Rudi Bartels Method for generating a screened representation of an image
US20040130753A1 (en) * 2003-01-06 2004-07-08 Crounse Kenneth R. Halftone method and system using hybrid AM/FM screening for highlight/shadow tonal regions
US8243093B2 (en) * 2003-08-22 2012-08-14 Sharp Laboratories Of America, Inc. Systems and methods for dither structure creation and application for reducing the visibility of contouring artifacts in still and video images
JP2005136612A (ja) * 2003-10-29 2005-05-26 Dainippon Screen Mfg Co Ltd 網点形成方法、網点形成装置および網点記録媒体
US7069851B2 (en) 2004-01-20 2006-07-04 Think Laboratory Co., Ltd. Gravure printing method and gravure printed item
JP2005300912A (ja) * 2004-04-12 2005-10-27 Pfu Ltd 多色刷網目版の作成方法
US7557962B2 (en) * 2004-07-13 2009-07-07 Toshiba Corporation System and method for tone-dependent multi-frequency halftone screening
US20070002410A1 (en) * 2005-06-30 2007-01-04 Majewicz Peter I Hybrid halftoning
KR100727958B1 (ko) * 2005-07-27 2007-06-13 삼성전자주식회사 모아레（ｍｏｉｒｅ） 패턴을 저감하기 위한 스크린 설계방법 및 장치
JP2007336349A (ja) * 2006-06-16 2007-12-27 Dainippon Screen Mfg Co Ltd 画像処理装置、印刷システム、画像処理方法、およびプログラム
EP2129100B1 (de) * 2008-05-29 2014-02-12 Xeikon Manufacturing N.V. Autotypische multilevel-Rasterung mit verbessertem Detail und reduziertem Bildrauschen
JP4702470B2 (ja) 2009-03-31 2011-06-15 ブラザー工業株式会社 画像処理装置及びディザマトリクス
JP4962591B2 (ja) * 2010-04-12 2012-06-27 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置
EP2395740B1 (de) * 2010-06-09 2014-08-13 Zaklad Poligraficzny Pol- Makprzemyslaw Makowiak, Danuta makowiak SP.J. Verfahren zum Drucken auf Seidenpapier
US8982419B1 (en) * 2012-05-18 2015-03-17 Marvell International Ltd. Method and apparatus for generating a halftone image from a continuous tone image
US8824000B2 (en) * 2012-05-22 2014-09-02 Eastman Kodak Company Enhancing the appearance of a halftone image
US8842341B2 (en) 2012-05-22 2014-09-23 Eastman Kodak Company Rescreeining selected parts of a halftone image
JP2019008128A (ja) 2017-06-23 2019-01-17 キヤノン株式会社 画像形成装置とその制御方法及びプログラム
JP2019006009A (ja) 2017-06-23 2019-01-17 キヤノン株式会社 画像形成装置とその制御方法及びプログラム
DE102018002090B4 (de) * 2017-06-27 2021-05-12 Martin Dreher Elektronische Halbtonrasterung für Hochdruckverfahren
AU2018356367B2 (en) 2017-10-27 2021-04-01 Eco3 Bv Digital halftoning with spiral dots
CN111345020B (zh) 2018-01-26 2022-04-19 惠普发展公司，有限责任合伙企业 半色调图像创建
JP2019176278A (ja) 2018-03-27 2019-10-10 キヤノン株式会社 画像形成装置、画像形成方法及びプログラム
US11568189B2 (en) * 2018-08-10 2023-01-31 Agfa Offset Bv Digital halftoning with dots representing a spiral
JP7257806B2 (ja) 2019-02-12 2023-04-14 キヤノン株式会社 画像形成装置、生成装置、変換方法、並びに、生成方法
CN113711576A (zh) 2019-04-30 2021-11-26 爱克发有限公司 用螺旋网点的数字半色调
NL2024368B1 (en) 2019-12-03 2021-08-31 Xeikon Prepress Nv Method and system for processing a raster image file
CN112848727B (zh) * 2021-01-07 2022-06-28 北京印刷学院 一种图像网目调呈色的加网方法、印刷方法、系统及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU39915A1 (de) * 1960-04-01
US4501811A (en) * 1982-10-16 1985-02-26 Mitsubishi Paper Mills, Ltd. Process for making lithographic printing plates
US4752822A (en) * 1983-03-08 1988-06-21 Canon Kabushiki Kaisha Color halftone image processing apparatus producing various screen angles and having an adaptive color image data conversion look-up table and a small-capacity masking memory
US4736254A (en) * 1984-11-22 1988-04-05 Matsushita Electric Industrial Co., Ltd. Method and apparatus for generating pseudo-halftone dots by comparing gray scale values of an original with dither threshold values stored in cells of a matrix array divided into imaginary matrices of elemental areas each containing one cell
IL91054A0 (de) * 1989-07-20 1990-02-09
DE69023180T2 (de) * 1989-07-25 1996-06-13 Agfa Gevaert Nv Nach dem DTR-Verfahren hergestellte lithographische Aluminium-Offset-Druckform.
JP3344604B2 (ja) * 1994-06-17 2002-11-11 富士写真フイルム株式会社 網点画像の作成方法およびその装置
JPH0887105A (ja) * 1994-09-20 1996-04-02 Fujitsu Ltd 網点パターン発生方法

Also Published As

Publication number Publication date
JPH08305005A (ja) 1996-11-22
US5766807A (en) 1998-06-16
EP0740457B1 (de) 1999-07-21
JP3817664B2 (ja) 2006-09-06
EP0910206A1 (de) 1999-04-21
EP0910206B1 (de) 2001-10-10
DE69510918D1 (de) 1999-08-26
JP2736048B2 (ja) 1998-04-02
JPH10145593A (ja) 1998-05-29
EP0740457A1 (de) 1996-10-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGFA GRAPHICS N.V., MORTSEL, BE