WO1993026116A3 - Procede et appareil de reproduction d'une image avec impression de niveaux de gris - Google Patents
Procede et appareil de reproduction d'une image avec impression de niveaux de gris Download PDFInfo
- Publication number
- WO1993026116A3 WO1993026116A3 PCT/US1993/005097 US9305097W WO9326116A3 WO 1993026116 A3 WO1993026116 A3 WO 1993026116A3 US 9305097 W US9305097 W US 9305097W WO 9326116 A3 WO9326116 A3 WO 9326116A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pixels
- another embodiment
- dot
- gray level
- cell
- 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
- H04N1/405—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
- H04N1/4057—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 the pattern being a mixture of differently sized sub-patterns, e.g. spots having only a few different diameters
-
- 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)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Color, Gradation (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98118918A EP0892549B1 (fr) | 1992-06-05 | 1993-06-03 | Procédé et appareil de reproduction d'une image avec impression de niveaux de gris |
JP50152094A JP3597529B2 (ja) | 1992-06-05 | 1993-06-03 | 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 |
EP93914235A EP0598104B1 (fr) | 1992-06-05 | 1993-06-03 | Procede et appareil de reproduction d'une image avec impression de niveaux de gris |
DE69324653T DE69324653T2 (de) | 1992-06-05 | 1993-06-03 | Verfahren und gerät zur bildreproduktion mittels grautondruck |
Applications Claiming Priority (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US895,988 | 1992-06-05 | ||
US895,986 | 1992-06-05 | ||
US07/894,858 US5359431A (en) | 1992-06-05 | 1992-06-05 | Classification to change exposure within a cell of different pixels |
US07/895,554 US5260807A (en) | 1992-06-05 | 1992-06-05 | Method and apparatus for imbedding controlled structure for gray scale rendering |
US895,554 | 1992-06-05 | ||
US895,985 | 1992-06-05 | ||
US894,859 | 1992-06-05 | ||
US07/895,985 US5204753A (en) | 1992-06-05 | 1992-06-05 | Multi-bit rendering method and arrangement for continuous tone picture representation and printing |
US895,555 | 1992-06-05 | ||
US07/895,986 US5239390A (en) | 1992-06-05 | 1992-06-05 | Image processing method to remove halftone screens |
US07/894,857 US5258849A (en) | 1992-06-05 | 1992-06-05 | Halftone dot arrangement in gray level halftone printing |
US894,857 | 1992-06-05 | ||
US07/895,555 US5200831A (en) | 1992-06-05 | 1992-06-05 | Method and arrangement for locally switching gray dot types to reproduce an image with gray level printing |
US894,858 | 1992-06-05 | ||
US07/895,988 US5258850A (en) | 1992-06-05 | 1992-06-05 | Line screen design for gray scale rendering |
US07/894,859 US5313309A (en) | 1992-06-05 | 1992-06-05 | Method and apparatus for printing halftones with a gray level printer with contour suppression and/or minimization of moire patterns |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1993026116A2 WO1993026116A2 (fr) | 1993-12-23 |
WO1993026116A3 true WO1993026116A3 (fr) | 1994-04-14 |
Family
ID=27575536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1993/005097 WO1993026116A2 (fr) | 1992-06-05 | 1993-06-03 | Procede et appareil de reproduction d'une image avec impression de niveaux de gris |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP0598104B1 (fr) |
JP (1) | JP3597529B2 (fr) |
DE (2) | DE69324653T2 (fr) |
WO (1) | WO1993026116A2 (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE222039T1 (de) * | 1994-04-27 | 2002-08-15 | Agfa Gevaert | Mehrstufige halbtonrasterung mit gruppierten punkten und linien für den elektrografischen farbdruck |
EP0682438B1 (fr) * | 1994-05-11 | 2000-05-31 | Agfa-Gevaert N.V. | Obtention de demi-teintes à niveaux multiples à l'aide d'une matrice Bayer rendue aléatoire |
US6317220B1 (en) * | 1996-12-06 | 2001-11-13 | Seiko Epson Corporation | Image forming apparatus capable of preventing linear nonuniformity and improving image quality |
US6501565B1 (en) | 1998-07-07 | 2002-12-31 | Electronics For Imaging, Inc. | Method and apparatus for smoothing text outlines |
US6567186B1 (en) * | 1998-10-27 | 2003-05-20 | Hewlett-Packard Company | Method for determining gray values in a printer |
US6222643B1 (en) * | 1998-11-16 | 2001-04-24 | Conexant Systems, Inc. | Probability error diffusion for digital image printing |
DE10022225B4 (de) * | 2000-05-08 | 2015-12-17 | Heidelberger Druckmaschinen Ag | Mehrstufen-Rasterung mit Rastern beliebiger Rasterweiten und Rasterwinkel |
US7079287B1 (en) * | 2000-08-01 | 2006-07-18 | Eastman Kodak Company | Edge enhancement of gray level images |
US6982814B1 (en) * | 2000-08-23 | 2006-01-03 | Hewlett-Packard Development Company, L.P. | Image printing devices with AM/FM half-toning with self-determination of dot size and method of implementing same |
US6778299B2 (en) * | 2001-03-09 | 2004-08-17 | Hewlett-Packard Development Company, L.P. | Error diffusion with partial dots method and system |
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 |
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 |
EP2018040A1 (fr) * | 2007-07-19 | 2009-01-21 | Hewlett-Packard Development Company, L.P. | Réduction des effets de bord en tramage |
US8493623B2 (en) | 2008-10-17 | 2013-07-23 | Eastman Kodak Company | Adaptive exposure printing and printing system |
US9030516B2 (en) | 2009-10-12 | 2015-05-12 | Eastman Kodak Company | Printer nonuniformity compensation for halftone screens |
US8482802B2 (en) | 2010-03-29 | 2013-07-09 | Eastman Kodak Company | Screened hardcopy reproduction apparatus with compensation |
US20110235060A1 (en) | 2010-03-29 | 2011-09-29 | Hwai-Tzuu Tai | Screened hardcopy reproduction apparatus compensation data calculation |
US11141752B2 (en) | 2012-12-27 | 2021-10-12 | Kateeva, Inc. | Techniques for arrayed printing of a permanent layer with improved speed and accuracy |
US11673155B2 (en) | 2012-12-27 | 2023-06-13 | Kateeva, Inc. | Techniques for arrayed printing of a permanent layer with improved speed and accuracy |
US9700908B2 (en) | 2012-12-27 | 2017-07-11 | Kateeva, Inc. | Techniques for arrayed printing of a permanent layer with improved speed and accuracy |
KR101733904B1 (ko) | 2012-12-27 | 2017-05-08 | 카티바, 인크. | 정밀 공차 내로 유체를 증착하기 위한 인쇄 잉크 부피 제어를 위한 기법 |
US9352561B2 (en) | 2012-12-27 | 2016-05-31 | Kateeva, Inc. | Techniques for print ink droplet measurement and control to deposit fluids within precise tolerances |
JP6102281B2 (ja) * | 2013-01-28 | 2017-03-29 | 株式会社リコー | 電子写真画像出力装置 |
KR102680609B1 (ko) | 2013-12-12 | 2024-07-01 | 카티바, 인크. | 두께를 제어하기 위해 하프토닝을 이용하는 잉크-기반 층 제조 |
CN108515777B (zh) * | 2014-06-30 | 2020-07-14 | 科迪华公司 | 用于具有改进的速度和精度的永久层的阵列式打印技术 |
WO2023177387A1 (fr) * | 2022-03-14 | 2023-09-21 | Hewlett-Packard Development Company, L.P. | Sélection de tailles de points d'agent d'impression |
CN114817615B (zh) * | 2022-06-27 | 2022-10-21 | 广州盛祺信息科技股份有限公司 | 一种会计原始凭证快速扫描及云端管理系统 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4251837A (en) * | 1978-09-05 | 1981-02-17 | International Business Machines Corporation | Three decision thresholding mode switch and method for mode selection |
FR2497043A1 (fr) * | 1980-12-19 | 1982-06-25 | Cit Alcatel | Dispositif d'impression d'une image |
US4347523A (en) * | 1980-04-24 | 1982-08-31 | Fuji Photo Film Co., Ltd. | Laser recorder |
EP0095716A2 (fr) * | 1982-05-28 | 1983-12-07 | Linotype-Paul Limited | RAM de transformation pour un affichage modulé |
EP0248616A2 (fr) * | 1986-06-02 | 1987-12-09 | Kabushiki Kaisha Toshiba | Appareil imprimeur d'image |
EP0292292A2 (fr) * | 1987-05-20 | 1988-11-23 | Canon Kabushiki Kaisha | Appareil pour traitement d'image |
EP0304289A2 (fr) * | 1987-08-18 | 1989-02-22 | Kabushiki Kaisha Toshiba | Procédé et appareil pour la reproduction d'images en demi-teintes |
EP0370271A2 (fr) * | 1988-11-24 | 1990-05-30 | Dainippon Screen Mfg. Co., Ltd. | Méthode et dispositif d'enregistrement des images en demi-teinte et les images en demi-teinte produites de cette manière |
WO1992003885A1 (fr) * | 1990-08-13 | 1992-03-05 | Mannesmann Ag | Procede pour l'impression d'une image en demi-teinte |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57129751A (en) * | 1981-02-06 | 1982-08-11 | Fuji Photo Film Co Ltd | Arranging method for heads of ink-jet printer |
US4651287A (en) * | 1984-06-14 | 1987-03-17 | Tsao Sherman H | Digital image processing algorithm for output devices with discrete halftone gray scale capability |
DE3609252A1 (de) * | 1985-03-20 | 1986-10-02 | Canon K.K., Tokio/Tokyo | Verfahren und vorrichtung zur bildreproduktion |
US4965672A (en) * | 1987-05-11 | 1990-10-23 | The Mead Corporation | Method and apparatus for halftone imaging |
JPH02303863A (ja) * | 1989-05-19 | 1990-12-17 | Canon Inc | 画像形成装置 |
JPH0722348B2 (ja) * | 1989-09-14 | 1995-03-08 | 大日本スクリーン製造株式会社 | 網目版画像記録方法 |
-
1993
- 1993-06-03 WO PCT/US1993/005097 patent/WO1993026116A2/fr active IP Right Grant
- 1993-06-03 DE DE69324653T patent/DE69324653T2/de not_active Expired - Lifetime
- 1993-06-03 EP EP93914235A patent/EP0598104B1/fr not_active Expired - Lifetime
- 1993-06-03 JP JP50152094A patent/JP3597529B2/ja not_active Expired - Lifetime
- 1993-06-03 EP EP98118918A patent/EP0892549B1/fr not_active Expired - Lifetime
- 1993-06-03 DE DE1993631476 patent/DE69331476T2/de not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4251837A (en) * | 1978-09-05 | 1981-02-17 | International Business Machines Corporation | Three decision thresholding mode switch and method for mode selection |
US4347523A (en) * | 1980-04-24 | 1982-08-31 | Fuji Photo Film Co., Ltd. | Laser recorder |
FR2497043A1 (fr) * | 1980-12-19 | 1982-06-25 | Cit Alcatel | Dispositif d'impression d'une image |
EP0095716A2 (fr) * | 1982-05-28 | 1983-12-07 | Linotype-Paul Limited | RAM de transformation pour un affichage modulé |
EP0248616A2 (fr) * | 1986-06-02 | 1987-12-09 | Kabushiki Kaisha Toshiba | Appareil imprimeur d'image |
EP0292292A2 (fr) * | 1987-05-20 | 1988-11-23 | Canon Kabushiki Kaisha | Appareil pour traitement d'image |
EP0304289A2 (fr) * | 1987-08-18 | 1989-02-22 | Kabushiki Kaisha Toshiba | Procédé et appareil pour la reproduction d'images en demi-teintes |
EP0370271A2 (fr) * | 1988-11-24 | 1990-05-30 | Dainippon Screen Mfg. Co., Ltd. | Méthode et dispositif d'enregistrement des images en demi-teinte et les images en demi-teinte produites de cette manière |
WO1992003885A1 (fr) * | 1990-08-13 | 1992-03-05 | Mannesmann Ag | Procede pour l'impression d'une image en demi-teinte |
Non-Patent Citations (2)
Title |
---|
1977 SID International symposium, Digest of Technical Papers; Society for Informa tion Display, Los Angeles (US), 1977 pages 124-125 K. Y. WONG et al.: "Adaptive Switching of Dispersed and Clustered Halftone Patterns for Bi-Level Image Rendition" * |
I.B.M. JOURNAL OF RESEARCH AND DEVELOPMENT vol. 31, no. 1, January 1987, NEW YORK (US) pages 2 - 15 G. GOERTZEL ET AL. 'Digital halftoning on the IBM 4250 Printer' * |
Also Published As
Publication number | Publication date |
---|---|
DE69331476D1 (de) | 2002-02-21 |
JPH06509930A (ja) | 1994-11-02 |
EP0892549A3 (fr) | 1999-02-03 |
DE69324653T2 (de) | 1999-11-11 |
JP3597529B2 (ja) | 2004-12-08 |
WO1993026116A2 (fr) | 1993-12-23 |
EP0892549A2 (fr) | 1999-01-20 |
EP0598104A1 (fr) | 1994-05-25 |
EP0892549B1 (fr) | 2001-11-21 |
DE69324653D1 (de) | 1999-06-02 |
DE69331476T2 (de) | 2002-08-08 |
EP0598104B1 (fr) | 1999-04-28 |
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