ATE222039T1 - Mehrstufige halbtonrasterung mit gruppierten punkten und linien für den elektrografischen farbdruck - Google Patents
Mehrstufige halbtonrasterung mit gruppierten punkten und linien für den elektrografischen farbdruckInfo
- Publication number
- ATE222039T1 ATE222039T1 AT95200837T AT95200837T ATE222039T1 AT E222039 T1 ATE222039 T1 AT E222039T1 AT 95200837 T AT95200837 T AT 95200837T AT 95200837 T AT95200837 T AT 95200837T AT E222039 T1 ATE222039 T1 AT E222039T1
- Authority
- AT
- Austria
- Prior art keywords
- lines
- disclosed
- continuous tone
- images
- halftone
- Prior art date
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
- H04N1/40087—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
Landscapes
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Color, Gradation (AREA)
- Color Image Communication Systems (AREA)
- Color Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94201151 | 1994-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE222039T1 true ATE222039T1 (de) | 2002-08-15 |
Family
ID=8216825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95200837T ATE222039T1 (de) | 1994-04-27 | 1995-04-03 | Mehrstufige halbtonrasterung mit gruppierten punkten und linien für den elektrografischen farbdruck |
Country Status (5)
Country | Link |
---|---|
US (3) | US5901275A (de) |
EP (1) | EP0680195B1 (de) |
JP (1) | JPH07299933A (de) |
AT (1) | ATE222039T1 (de) |
DE (1) | DE69527675T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5911694A (en) * | 1996-08-22 | 1999-06-15 | Olympus Optical Co., Ltd. | Endoceliac physical quantity measuring apparatus having excellent measuring resolution |
US6404508B1 (en) * | 1997-03-12 | 2002-06-11 | Minolta Co., Ltd. | Gradation reproduction |
US6014226A (en) * | 1997-07-01 | 2000-01-11 | Xerox Corporation | Multilevel halftoning with reduced texture contours and coverage control |
JPH11168627A (ja) * | 1997-08-27 | 1999-06-22 | Fuji Photo Film Co Ltd | 画像形成方法 |
JP3522147B2 (ja) | 1998-04-28 | 2004-04-26 | セイコーエプソン株式会社 | ハーフトーニング装置及び画像形成装置 |
US6690837B1 (en) | 1998-11-03 | 2004-02-10 | Agfa-Gevaert | Screening method for overlapping sub-images |
JP3835037B2 (ja) * | 1999-02-05 | 2006-10-18 | セイコーエプソン株式会社 | カラー電子写真の画像処理方法及びその電子写真装置 |
EP1059803B1 (de) * | 1999-06-07 | 2007-07-18 | Canon Kabushiki Kaisha | Bildaufzeichnungsgerät und Verfahren |
JP3985437B2 (ja) * | 2000-08-03 | 2007-10-03 | セイコーエプソン株式会社 | 電子写真の画像形成装置及びその画像形成プログラム製品 |
JP4761630B2 (ja) * | 2001-02-08 | 2011-08-31 | 株式会社ミヤコシ | 表裏印字装置 |
US7492480B2 (en) * | 2001-08-27 | 2009-02-17 | Phototype Engraving Company | System for halftone screen production |
DE10211530A1 (de) * | 2002-03-15 | 2003-10-09 | Oce Printing Systems Gmbh | Elektrofotografisches Verfahren und Drucksystem zum Erzeugen eines Druckbildes |
US6917448B2 (en) * | 2002-05-22 | 2005-07-12 | Creo Il. Ltd. | Dot gain calibration method and apparatus |
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 |
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 |
CN1301859C (zh) * | 2004-03-31 | 2007-02-28 | 凌阳科技股份有限公司 | 具有半色调单色处理的印表机系统及方法 |
US7751475B1 (en) * | 2004-06-22 | 2010-07-06 | Apple Inc. | Arbitrary-resolution, extreme-quality video codec |
US7206001B1 (en) * | 2004-06-22 | 2007-04-17 | Apple Computer, Inc. | Fractal-dithering technique for image display |
KR100648657B1 (ko) * | 2004-10-11 | 2006-11-24 | 삼성전자주식회사 | 클러스터를 통한 오차 확산장치 |
US7468814B2 (en) * | 2005-02-08 | 2008-12-23 | Astro-Med, Inc. | Algorithm for controlling half toning process |
KR101296681B1 (ko) * | 2008-09-24 | 2013-08-16 | 삼성전자주식회사 | 영상 처리 방법 및 이를 이용한 화상형성장치 |
US9734440B2 (en) | 2014-01-29 | 2017-08-15 | Rampage Llc | Raster image processor with printhead profile compensation for a multi level digital printing machine |
WO2019147267A1 (en) | 2018-01-26 | 2019-08-01 | Hewlett-Packard Development Company, L.P. | Halftone image creation |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57171337A (en) * | 1981-04-14 | 1982-10-21 | Dainippon Screen Mfg Co Ltd | Production of halftone plate picture |
US4533941A (en) * | 1983-01-14 | 1985-08-06 | Coulter Systems Corporation | Method and apparatus for half-tone reproduction of a varying tone original image |
JPS59205874A (ja) * | 1983-05-10 | 1984-11-21 | Canon Inc | 画像デ−タ圧縮装置 |
JPH0793681B2 (ja) * | 1986-03-31 | 1995-10-09 | 株式会社東芝 | 多階調記録方法 |
US4884080A (en) * | 1985-01-31 | 1989-11-28 | Kabushiki Kaisha Toshiba | Color image printing apparatus |
US5099259A (en) * | 1985-01-31 | 1992-03-24 | Kabushiki Kaisha Toshiba | Halftone image printing device |
US4974067A (en) * | 1986-06-06 | 1990-11-27 | Ricoh Company, Ltd. | Multi-step-digital color image reproducing method and apparatus |
JPH0691621B2 (ja) * | 1988-11-24 | 1994-11-14 | 大日本スクリーン製造株式会社 | 網目版画像記録方法および装置 |
US5210623A (en) * | 1989-12-21 | 1993-05-11 | Eastman Kodak Company | Apparatus and method for quantizing and/or reconstructing multi-dimensional digital image signals |
US5253084A (en) * | 1990-09-14 | 1993-10-12 | Minnesota Mining And Manufacturing Company | General kernel function for electronic halftone generation |
US5287209A (en) * | 1990-10-09 | 1994-02-15 | Matsushita Electric Industrial Co., Ltd. | Image forming device for enhancing tone reproduction by changing dot size |
US5155599A (en) * | 1991-07-25 | 1992-10-13 | Miles, Inc. | Screening system and method for color reproduction in offset printing |
US5313309A (en) * | 1992-06-05 | 1994-05-17 | Eastman Kodak Company | Method and apparatus for printing halftones with a gray level printer with contour suppression and/or minimization of moire patterns |
US5258850A (en) * | 1992-06-05 | 1993-11-02 | Eastman Kodak Company | Line screen design for gray scale rendering |
US5260807A (en) * | 1992-06-05 | 1993-11-09 | Eastman Kodak Company | Method and apparatus for imbedding controlled structure for gray scale rendering |
EP0892549B1 (de) * | 1992-06-05 | 2001-11-21 | NexPress Solutions LLC | Verfahren und Gerät zur Bildreproduktion mittels Grautondruck |
US5404156A (en) * | 1992-07-25 | 1995-04-04 | Fuji Xerox Co., Ltd. | Method and apparatus for forming a full-color image |
US5444552A (en) * | 1992-09-28 | 1995-08-22 | Xerox Corporation | Method for compressing, processing, and storing grayscale bitmaps |
BE1007264A4 (nl) * | 1993-07-12 | 1995-05-02 | Agfa Gevaert Nv | Rastermethode voor een schrijfsysteem met beperkte densiteitsresolutie. |
DE69521638T2 (de) * | 1994-03-02 | 2001-10-25 | Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto | Erzeugung von Mehrfachtonbildern |
DE69517241T2 (de) * | 1994-05-11 | 2000-11-23 | Agfa-Gevaert N.V., Mortsel | Mehrstufige Halbtonrasterung mit Verwendung einer zufallerzeugten Bayer-Matrix |
US5462202A (en) * | 1994-08-25 | 1995-10-31 | Owens-Illinois Closure Inc. | Liquid containing and dispensing package |
US5587811A (en) * | 1995-04-28 | 1996-12-24 | Dataproducts Corporation | Halftone screen using spot function to rank pixels following one or more design rules |
US5748330A (en) * | 1997-05-05 | 1998-05-05 | Xerox Corporation | Method of calibrating a digital printer using component test patches and the yule-nielsen equation |
-
1995
- 1995-04-03 DE DE69527675T patent/DE69527675T2/de not_active Revoked
- 1995-04-03 AT AT95200837T patent/ATE222039T1/de not_active IP Right Cessation
- 1995-04-03 EP EP95200837A patent/EP0680195B1/de not_active Revoked
- 1995-04-21 JP JP7119096A patent/JPH07299933A/ja active Pending
- 1995-04-27 US US08/430,081 patent/US5901275A/en not_active Expired - Fee Related
-
1997
- 1997-02-13 US US08/801,600 patent/US5799137A/en not_active Expired - Fee Related
- 1997-02-13 US US08/799,335 patent/US5982989A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5982989A (en) | 1999-11-09 |
US5901275A (en) | 1999-05-04 |
JPH07299933A (ja) | 1995-11-14 |
EP0680195B1 (de) | 2002-08-07 |
US5799137A (en) | 1998-08-25 |
DE69527675D1 (de) | 2002-09-12 |
EP0680195A1 (de) | 1995-11-02 |
DE69527675T2 (de) | 2003-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |