IL99240A - Method and system for electronic creation of halves - tinting in electronic imaging systems - Google Patents
Method and system for electronic creation of halves - tinting in electronic imaging systemsInfo
- Publication number
- IL99240A IL99240A IL9924091A IL9924091A IL99240A IL 99240 A IL99240 A IL 99240A IL 9924091 A IL9924091 A IL 9924091A IL 9924091 A IL9924091 A IL 9924091A IL 99240 A IL99240 A IL 99240A
- Authority
- IL
- Israel
- Prior art keywords
- dots
- halftone
- rows
- columns
- screen
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 53
- 230000006870 function Effects 0.000 claims description 91
- 238000007639 printing Methods 0.000 claims description 40
- 238000004422 calculation algorithm Methods 0.000 claims description 29
- 238000000926 separation method Methods 0.000 claims description 28
- 230000000737 periodic effect Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000003491 array Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 description 12
- 239000003086 colorant Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 238000013459 approach Methods 0.000 description 4
- 230000033458 reproduction Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000007844 bleaching agent Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- -1 silver halide Chemical class 0.000 description 2
- 240000005002 Erythronium dens canis Species 0.000 description 1
- 241000961787 Josa Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- H04N1/4058—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 Image Communication Systems (AREA)
- Color, Gradation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/582,524 US5253084A (en) | 1990-09-14 | 1990-09-14 | General kernel function for electronic halftone generation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL99240A0 IL99240A0 (en) | 1992-07-15 |
| IL99240A true IL99240A (en) | 1995-06-29 |
Family
ID=24329484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9924091A IL99240A (en) | 1990-09-14 | 1991-08-20 | Method and system for electronic creation of halves - tinting in electronic imaging systems |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5253084A (fr) |
| EP (1) | EP0481602B1 (fr) |
| JP (2) | JP3366655B2 (fr) |
| CA (1) | CA2051331C (fr) |
| DE (1) | DE69128064T2 (fr) |
| DK (1) | DK0481602T3 (fr) |
| IL (1) | IL99240A (fr) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5642436A (en) * | 1990-07-18 | 1997-06-24 | Linotype-Hell Ag | Method for generating and storing digitalized density threshold values for the rastering of a half-tone picture original |
| US5341228A (en) | 1990-12-04 | 1994-08-23 | Research Corporation Technologies | Method and apparatus for halftone rendering of a gray scale image using a blue noise mask |
| US6072592A (en) * | 1991-08-13 | 2000-06-06 | Megadot Systems Limited | Method and apparatus for preparing color screens in a halftone image |
| EP0583776B1 (fr) * | 1992-08-17 | 1999-01-07 | Bayer Corporation | Filtre de trame ainsi que dispositif et procédé pour le générer |
| US5526143A (en) * | 1992-09-16 | 1996-06-11 | Scitex Corporation Ltd. | Apparatus and technique for generating a screened reproduction of an image |
| US5493323A (en) * | 1993-08-05 | 1996-02-20 | Xerox Corporation | Color images having multiple separations with minimally overlapping halftone dots |
| EP0680195B1 (fr) * | 1994-04-27 | 2002-08-07 | Agfa-Gevaert | Obtention de demi-teintes à niveaux multiples et à points et lignes groupés pour l'impression électrographique en couleurs |
| US5696604A (en) * | 1995-01-04 | 1997-12-09 | Xerox Corporation | Analytical halftone dot construction for a hyperacuity printer |
| US5748860A (en) * | 1995-06-06 | 1998-05-05 | R.R. Donnelley & Sons Company | Image processing during page description language interpretation |
| EP1249354A1 (fr) * | 1996-06-14 | 2002-10-16 | Minnesota Mining And Manufacturing Company | Unité de présentation et procédés de présentation d'image |
| US6690837B1 (en) * | 1998-11-03 | 2004-02-10 | Agfa-Gevaert | Screening method for overlapping sub-images |
| AU3337500A (en) | 1999-03-16 | 2000-10-04 | Megadot Systems Limited | Improvements relating to halftone patterns |
| US6628426B2 (en) | 2001-05-22 | 2003-09-30 | Lexmark International, Inc. | Method of halftone screen linearization via continuous gradient patches |
| US7079290B2 (en) * | 2001-06-06 | 2006-07-18 | International Business Machines Corporation | Halftoning method and system providing increased number of densities per basic halftone cell for constant input |
| JP2003066586A (ja) * | 2001-08-24 | 2003-03-05 | Tsuchiya Co Ltd | ドットパターンを有するシート及びドットパターンの形成方法 |
| US7492480B2 (en) * | 2001-08-27 | 2009-02-17 | Phototype Engraving Company | System for halftone screen production |
| US7006250B2 (en) * | 2001-09-27 | 2006-02-28 | Lexmark International, Inc. | Method of setting laser power and developer bias in an electrophotographic machine based on an estimated intermediate belt reflectivity |
| US7570824B2 (en) * | 2003-07-11 | 2009-08-04 | Sharp Kabushiki Kaisha | Image processing method, image processor, image forming apparatus and memory product |
| US20050052706A1 (en) * | 2003-09-10 | 2005-03-10 | Nelson Terry M. | Location patterns and methods and apparatus for generating such patterns |
| JP5423626B2 (ja) * | 2010-09-10 | 2014-02-19 | コニカミノルタ株式会社 | 画像形成装置および画像形成方法 |
| JP5423630B2 (ja) * | 2010-09-24 | 2014-02-19 | コニカミノルタ株式会社 | 画像形成装置および画像形成方法 |
| EP4292274A4 (fr) * | 2021-02-11 | 2024-10-09 | Hewlett-Packard Development Company, L.P. | Pavés d'écran en demi-teinte |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1901101A1 (de) * | 1969-01-10 | 1970-10-29 | Hell Rudolf Dr Ing Fa | Verfahren zur punkt- und zeilenweisen gerasterten Aufzeichnung der durch Abtastung von Halbtonbildern gewonnenen Bildsignale mit gegen die Aufzeichnungsrichtung gedrehtem Raster |
| US4084183A (en) * | 1970-03-18 | 1978-04-11 | Dr. Ing. Rudolf Hell Gmbh. | Method for the electro-optical reproduction of half-tone pictures |
| US3911480A (en) * | 1972-12-08 | 1975-10-07 | John P Brucker | Generating screened half-tones by scanning |
| GB1493924A (en) * | 1974-01-07 | 1977-11-30 | Crosfield Electronics Ltd | Screened image reproduction |
| US4185304A (en) * | 1977-07-07 | 1980-01-22 | Xerox Corporation | Electronic halftone screening |
| DE2827596C2 (de) * | 1978-06-23 | 1984-11-22 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren und Anordnung zur Herstellung gerasterter Druckformen |
| EP0031247B1 (fr) * | 1979-12-20 | 1984-03-14 | Cambridge Consultants Limited | Dispositif et procédé pour la fabrication d'une image demi-ton se composant de points dispersés à partir d'une image sans graduation |
| US4456924A (en) * | 1980-04-14 | 1984-06-26 | Scitex Corporation Ltd. | Screened image reproduction |
| EP0047145B1 (fr) * | 1980-09-01 | 1988-03-16 | Crosfield Electronics Limited | Procédé pour la réalisation d'une reproduction en demi-tons |
| DE3172094D1 (en) * | 1981-01-24 | 1985-10-10 | Hell Rudolf Dr Ing Gmbh | Screens for multicolour printing without colour drift |
| JPS57171337A (en) * | 1981-04-14 | 1982-10-21 | Dainippon Screen Mfg Co Ltd | Production of halftone plate picture |
| US4507685A (en) * | 1982-06-25 | 1985-03-26 | Canon Kabushiki Kaisha | Image recording device |
| JPS5978353A (ja) * | 1982-10-28 | 1984-05-07 | Dainippon Screen Mfg Co Ltd | 網目版画像記録装置における網点形成方法 |
| JPS60213170A (ja) * | 1984-04-06 | 1985-10-25 | Dainippon Screen Mfg Co Ltd | 画像走査記録装置における網点パタ−ン発生方法 |
| DE3437063A1 (de) * | 1984-10-09 | 1986-04-17 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und anordnung zur darstellung eines halbtonbildes unter verwendung eines detektionsangepassten rasters |
| EP0204094B2 (fr) * | 1985-03-30 | 1998-08-19 | Hitachi, Ltd. | Procédé d'impression du type d'enregistrement par balayage et appareil pour le mettre en oeuvre |
| JPS61225973A (ja) * | 1985-03-30 | 1986-10-07 | Konishiroku Photo Ind Co Ltd | 多色像形成装置 |
| JPH0683374B2 (ja) * | 1986-02-14 | 1994-10-19 | 富士写真フイルム株式会社 | 網点画像の形成方法 |
| JPS63202182A (ja) * | 1987-02-18 | 1988-08-22 | Olympus Optical Co Ltd | 傾斜ドツトパタ−ン形成方法 |
| JPS6444681A (en) * | 1987-08-12 | 1989-02-17 | Fuji Photo Film Co Ltd | Dot screen forming method |
| JPH01231473A (ja) * | 1988-03-10 | 1989-09-14 | Brother Ind Ltd | 画像形成方法 |
| US4894726A (en) * | 1988-07-21 | 1990-01-16 | Trustees Of The University Of Pennsylvania | Methods and apparatus for eliminating Moire interference using quasiperiodic patterns |
| US4920501A (en) * | 1988-10-19 | 1990-04-24 | Eastman Kodak Company | Digital halftoning with minimum visual modulation patterns |
| 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 |
-
1990
- 1990-09-14 US US07/582,524 patent/US5253084A/en not_active Expired - Lifetime
-
1991
- 1991-08-20 IL IL9924091A patent/IL99240A/en not_active IP Right Cessation
- 1991-09-13 DE DE69128064T patent/DE69128064T2/de not_active Expired - Fee Related
- 1991-09-13 EP EP91308413A patent/EP0481602B1/fr not_active Expired - Lifetime
- 1991-09-13 DK DK91308413T patent/DK0481602T3/da active
- 1991-09-13 CA CA002051331A patent/CA2051331C/fr not_active Expired - Fee Related
- 1991-09-17 JP JP26529991A patent/JP3366655B2/ja not_active Expired - Fee Related
-
2002
- 2002-07-10 JP JP2002201685A patent/JP3429300B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04227162A (ja) | 1992-08-17 |
| EP0481602A2 (fr) | 1992-04-22 |
| DE69128064T2 (de) | 1998-04-09 |
| DK0481602T3 (da) | 1998-07-20 |
| DE69128064D1 (de) | 1997-12-04 |
| JP2003158634A (ja) | 2003-05-30 |
| US5253084A (en) | 1993-10-12 |
| JP3366655B2 (ja) | 2003-01-14 |
| EP0481602B1 (fr) | 1997-10-29 |
| JP3429300B2 (ja) | 2003-07-22 |
| IL99240A0 (en) | 1992-07-15 |
| CA2051331A1 (fr) | 1992-03-15 |
| EP0481602A3 (en) | 1993-03-03 |
| CA2051331C (fr) | 2002-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |