DE69510918D1 - Druckplatte und Verfahren zur Bildreproduktion - Google Patents
Druckplatte und Verfahren zur BildreproduktionInfo
- 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
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)
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)
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)
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 |
-
1995
- 1995-04-28 EP EP98204294A patent/EP0910206B1/de not_active Expired - Lifetime
- 1995-04-28 EP EP95201096A patent/EP0740457B1/de not_active Expired - Lifetime
- 1995-04-28 DE DE69510918T patent/DE69510918T2/de not_active Expired - Lifetime
-
1996
- 1996-04-24 US US08/637,110 patent/US5766807A/en not_active Expired - Lifetime
- 1996-04-26 JP JP8129277A patent/JP2736048B2/ja not_active Expired - Fee Related
-
1997
- 1997-09-24 JP JP27496797A patent/JP3817664B2/ja not_active Expired - Fee Related
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 |
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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 |