DE69510918D1 - Druckplatte und Verfahren zur Bildreproduktion - Google Patents

Druckplatte und Verfahren zur Bildreproduktion

Info

Publication number
DE69510918D1
DE69510918D1 DE69510918T DE69510918T DE69510918D1 DE 69510918 D1 DE69510918 D1 DE 69510918D1 DE 69510918 T DE69510918 T DE 69510918T DE 69510918 T DE69510918 T DE 69510918T DE 69510918 D1 DE69510918 D1 DE 69510918D1
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
DE69510918T2 (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
Publication of DE69510918D1 publication Critical patent/DE69510918D1/de
Application granted granted Critical
Publication of DE69510918T2 publication Critical patent/DE69510918T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/405Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055Halftoning, 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 true DE69510918D1 (de) 1999-08-26
DE69510918T2 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) EP0910206B1 (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
EP1568210A1 (de) * 2002-11-25 2005-08-31 Agfa-Gevaert Verfahren zur erzeugung von nichtdruckenden punkten in einer gerasterten repräsentation eines bildes
EP1437883A1 (de) * 2002-12-05 2004-07-14 Agfa-Gevaert Verfahren zur Erzeugung einer gerasterten Darstellung eines Bildes
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
US8437037B2 (en) * 2008-05-29 2013-05-07 Xeikon Manufacturing N.V. Multilevel clustered dot screening method with improved detail and reduced image noise
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
US8842341B2 (en) 2012-05-22 2014-09-23 Eastman Kodak Company Rescreeining selected parts of a halftone image
US8824000B2 (en) 2012-05-22 2014-09-02 Eastman Kodak Company Enhancing the appearance 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
DK3701710T3 (da) 2017-10-27 2023-02-13 Agfa Offset Bv Digital halvtonebehandling med spiralpunkter
WO2019147267A1 (en) 2018-01-26 2019-08-01 Hewlett-Packard Development Company, L.P. Halftone image creation
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
JP7299981B2 (ja) 2018-08-10 2023-06-28 アグファ・オフセット・ビーブイ 塊状マイクロドットを用いたデジタルハーフトーン化
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
US11915072B2 (en) * 2019-04-30 2024-02-27 Agfa Offset Bv Digital halftoning with spiral dots
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
NL263106A (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
JP3817664B2 (ja) 2006-09-06
EP0910206A1 (de) 1999-04-21
EP0740457B1 (de) 1999-07-21
EP0910206B1 (de) 2001-10-10
JP2736048B2 (ja) 1998-04-02
DE69510918T2 (de) 2000-03-30
EP0740457A1 (de) 1996-10-30
JPH10145593A (ja) 1998-05-29

Similar Documents

Publication Publication Date Title
DE69510918D1 (de) Druckplatte und Verfahren zur Bildreproduktion
DE69633218D1 (de) Bildreproduktionsverfahren und -gerät
DE69424507D1 (de) Verfahren und System zur Prädiktion eines Farbreproduktionsbildes
DE69734960D1 (de) Drucksystem und Bildaufzeichnungsverfahren
DE69633319D1 (de) Bildreproduktionsverfahren und -gerät
DE69608262D1 (de) System und verfahren zur bildabtastung
DE69812800D1 (de) Verfahren und Gerät zur Bildverbesserung
DE69838056D1 (de) Bilddruckapparat und Bilddruckverfahren
DE69629790D1 (de) Bildwiedergabeverfahren und -vorrichtung
DE69608170D1 (de) Gerät und Verfahren zur Bildbinarisation
DE69625782D1 (de) Bildinformationsdrucksystem und -druckverfahren
DE69831886D1 (de) Verfahren und Vorrichtung zur Bildsignalumsetzung
DE69323028D1 (de) Gerät und Verfahren zur farbtreuen Wiedergabe
DE69526483D1 (de) Farbbildaufnahmevorrichtung und Verfahren zur Vergrösserung des Dynamikbereichs
DE69331476D1 (de) Verfahren und Gerät zur Bildreproduktion mittels Grautondruck
DE69630644D1 (de) Anlage und Verfahren zur Bildkodierung und Aufnahme/Wiedergabe
DE69620963D1 (de) Verfahren und Vorrichtung zur Bilddatenkomprimierung
DE69535393D1 (de) Bilderzeugungsverfahren und -gerät
DE69826916D1 (de) Farbkorrekturvorrichtung und -verfahren für die Bildwiedergabe
DE69836467D1 (de) Bilderzeugungsvorrichtung und -verfahren
ATE183830T1 (de) Belichtungs- und druckgerät zur bilderzeugung
DE69622095D1 (de) Verfahren und Vorrichtung zur Datenwiedergabe
DE69832423D1 (de) Verfahren und einrichtung zur herstellung von druckplatten
DE69736412D1 (de) Bilderzeugungsverfahren und -vorrichtung
DE69735968D1 (de) Vorrichtung und Verfahren zur Bildinformationsumwandlung

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