DE69516456D1 - Drehung von nichtrotationssymmetrischen Halbtonrasterpunkten zur Kodierung eingebetteter Daten in einem Drucker mit hoher Schärfe - Google Patents
Drehung von nichtrotationssymmetrischen Halbtonrasterpunkten zur Kodierung eingebetteter Daten in einem Drucker mit hoher SchärfeInfo
- Publication number
- DE69516456D1 DE69516456D1 DE69516456T DE69516456T DE69516456D1 DE 69516456 D1 DE69516456 D1 DE 69516456D1 DE 69516456 T DE69516456 T DE 69516456T DE 69516456 T DE69516456 T DE 69516456T DE 69516456 D1 DE69516456 D1 DE 69516456D1
- Authority
- DE
- Germany
- Prior art keywords
- halftone
- printer
- rotation
- rotationally symmetrical
- embedded data
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/252,872 US5537223A (en) | 1994-06-02 | 1994-06-02 | Rotating non-rotationally symmetrical halftone dots for encoding embedded data in a hyperacuity printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69516456D1 true DE69516456D1 (de) | 2000-05-31 |
| DE69516456T2 DE69516456T2 (de) | 2000-09-07 |
Family
ID=22957901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69516456T Expired - Lifetime DE69516456T2 (de) | 1994-06-02 | 1995-06-02 | Drehung von nichtrotationssymmetrischen Halbtonrasterpunkten zur Kodierung eingebetteter Daten in einem Drucker mit hoher Schärfe |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5537223A (de) |
| EP (1) | EP0685960B1 (de) |
| JP (1) | JP3842313B2 (de) |
| CA (1) | CA2147298C (de) |
| DE (1) | DE69516456T2 (de) |
Families Citing this family (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5862260A (en) | 1993-11-18 | 1999-01-19 | Digimarc Corporation | Methods for surveying dissemination of proprietary empirical data |
| US6983051B1 (en) | 1993-11-18 | 2006-01-03 | Digimarc Corporation | Methods for audio watermarking and decoding |
| US5841886A (en) | 1993-11-18 | 1998-11-24 | Digimarc Corporation | Security system for photographic identification |
| US5768426A (en) | 1993-11-18 | 1998-06-16 | Digimarc Corporation | Graphics processing system employing embedded code signals |
| US7171016B1 (en) | 1993-11-18 | 2007-01-30 | Digimarc Corporation | Method for monitoring internet dissemination of image, video and/or audio files |
| US5822436A (en) | 1996-04-25 | 1998-10-13 | Digimarc Corporation | Photographic products and methods employing embedded information |
| US6424725B1 (en) | 1996-05-16 | 2002-07-23 | Digimarc Corporation | Determining transformations of media signals with embedded code signals |
| US6944298B1 (en) | 1993-11-18 | 2005-09-13 | Digimare Corporation | Steganographic encoding and decoding of auxiliary codes in media signals |
| US5748763A (en) | 1993-11-18 | 1998-05-05 | Digimarc Corporation | Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
| US6122403A (en) * | 1995-07-27 | 2000-09-19 | Digimarc Corporation | Computer system linked by using information in data objects |
| US6516079B1 (en) | 2000-02-14 | 2003-02-04 | Digimarc Corporation | Digital watermark screening and detecting strategies |
| US5832119C1 (en) | 1993-11-18 | 2002-03-05 | Digimarc Corp | Methods for controlling systems using control signals embedded in empirical data |
| US6408082B1 (en) | 1996-04-25 | 2002-06-18 | Digimarc Corporation | Watermark detection using a fourier mellin transform |
| US6580819B1 (en) | 1993-11-18 | 2003-06-17 | Digimarc Corporation | Methods of producing security documents having digitally encoded data and documents employing same |
| US6611607B1 (en) | 1993-11-18 | 2003-08-26 | Digimarc Corporation | Integrating digital watermarks in multimedia content |
| US6614914B1 (en) | 1995-05-08 | 2003-09-02 | Digimarc Corporation | Watermark embedder and reader |
| US6449377B1 (en) | 1995-05-08 | 2002-09-10 | Digimarc Corporation | Methods and systems for watermark processing of line art images |
| US6522770B1 (en) | 1999-05-19 | 2003-02-18 | Digimarc Corporation | Management of documents and other objects using optical devices |
| US6560349B1 (en) | 1994-10-21 | 2003-05-06 | Digimarc Corporation | Audio monitoring using steganographic information |
| JPH08227147A (ja) * | 1995-02-21 | 1996-09-03 | Dainippon Screen Mfg Co Ltd | 網点作成方法および装置 |
| US6728390B2 (en) | 1995-05-08 | 2004-04-27 | Digimarc Corporation | Methods and systems using multiple watermarks |
| US6760463B2 (en) | 1995-05-08 | 2004-07-06 | Digimarc Corporation | Watermarking methods and media |
| US6721440B2 (en) | 1995-05-08 | 2004-04-13 | Digimarc Corporation | Low visibility watermarks using an out-of-phase color |
| US5706099A (en) * | 1995-06-05 | 1998-01-06 | Xerox Corporation | Method and apparatus for generating serpentine halftone images |
| US6829368B2 (en) | 2000-01-26 | 2004-12-07 | Digimarc Corporation | Establishing and interacting with on-line media collections using identifiers in media signals |
| US6788800B1 (en) | 2000-07-25 | 2004-09-07 | Digimarc Corporation | Authenticating objects using embedded data |
| US9630443B2 (en) | 1995-07-27 | 2017-04-25 | Digimarc Corporation | Printer driver separately applying watermark and information |
| US6577746B1 (en) | 1999-12-28 | 2003-06-10 | Digimarc Corporation | Watermark-based object linking and embedding |
| US6466209B1 (en) * | 1995-12-07 | 2002-10-15 | Ncr Corporation | Method for transparent marking of digital images for storage, retrieval and processing within a computer database |
| US6000621A (en) * | 1995-12-21 | 1999-12-14 | Xerox Corporation | Tilings of mono-code and dual-code embedded data pattern strips for robust asynchronous capture |
| US6201879B1 (en) * | 1996-02-09 | 2001-03-13 | Massachusetts Institute Of Technology | Method and apparatus for logo hiding in images |
| AUPN958996A0 (en) * | 1996-05-01 | 1996-05-23 | Canon Information Systems Research Australia Pty Ltd | Seamless parallel neighbourhood-process halftoning |
| US6381341B1 (en) | 1996-05-16 | 2002-04-30 | Digimarc Corporation | Watermark encoding method exploiting biases inherent in original signal |
| JP3692693B2 (ja) * | 1997-03-12 | 2005-09-07 | コニカミノルタビジネステクノロジーズ株式会社 | 階調再現方法及び階調再現装置 |
| US6104812A (en) * | 1998-01-12 | 2000-08-15 | Juratrade, Limited | Anti-counterfeiting method and apparatus using digital screening |
| US6804376B2 (en) | 1998-01-20 | 2004-10-12 | Digimarc Corporation | Equipment employing watermark-based authentication function |
| US6252675B1 (en) * | 1998-05-08 | 2001-06-26 | Xerox Corporation | Apparatus and method for halftone hybrid screen generation |
| US6021196A (en) * | 1998-05-26 | 2000-02-01 | The Regents University Of California | Reference palette embedding |
| US6771827B1 (en) * | 1998-12-23 | 2004-08-03 | Xerox Corporation | System and method for directed acuity segmentation resolution compression and decompression |
| US6611631B1 (en) | 1999-03-01 | 2003-08-26 | Adobe Systems Incorporated | Data management for rotated sampled images |
| US6382099B1 (en) | 1999-05-17 | 2002-05-07 | Mark L. Herrmann | Printing apparatus and method for preventing barring or banding on a printed substrate |
| WO2001016869A1 (en) | 1999-09-01 | 2001-03-08 | Digimarc Corporation | Watermarking digital images with intensity specified by area |
| SE517445C2 (sv) | 1999-10-01 | 2002-06-04 | Anoto Ab | Positionsbestämning på en yta försedd med ett positionskodningsmönster |
| US6959098B1 (en) | 1999-11-30 | 2005-10-25 | Digimarc Corporation | Method and system for determining image transformation |
| US6625297B1 (en) | 2000-02-10 | 2003-09-23 | Digimarc Corporation | Self-orienting watermarks |
| US7143952B2 (en) * | 2000-03-21 | 2006-12-05 | Anoto Ab | Apparatus and methods relating to image coding |
| US6804377B2 (en) | 2000-04-19 | 2004-10-12 | Digimarc Corporation | Detecting information hidden out-of-phase in color channels |
| US6603568B1 (en) * | 2000-05-19 | 2003-08-05 | Pitney Bowes Inc. | System and method for issuing electronic tickets |
| US6633654B2 (en) * | 2000-06-19 | 2003-10-14 | Digimarc Corporation | Perceptual modeling of media signals based on local contrast and directional edges |
| US6952485B1 (en) | 2000-09-11 | 2005-10-04 | Digimarc Corporation | Watermark encoding and decoding in imaging devices and imaging device interfaces |
| US20020191812A1 (en) * | 2001-04-24 | 2002-12-19 | Nam-Deuk Kim | Object edge watermarking |
| US7310168B2 (en) * | 2001-07-03 | 2007-12-18 | Infoprint Solutions Company Llc | Method and apparatus for controlling a spot function for digital halftoning |
| US6712439B1 (en) | 2002-12-17 | 2004-03-30 | Lexmark International, Inc. | Integrated circuit and drive scheme for an inkjet printhead |
| US7379595B2 (en) * | 2004-05-24 | 2008-05-27 | Xerox Corporation | Manual windowing with auto-segmentation assistance in a scanning system |
| CN100364780C (zh) * | 2005-01-07 | 2008-01-30 | 北京北大方正电子有限公司 | 一种随机使用多种图元对象进行图像光栅化的方法 |
| US8098880B2 (en) * | 2007-08-31 | 2012-01-17 | Xerox Corporation | System and method for the generation of multi-layer correlation-based digital watermarks |
| US7894626B2 (en) * | 2007-08-31 | 2011-02-22 | Xerox Corporation | System and method for the generation of multiple angle correlation-based digital watermarks |
| US8077907B2 (en) * | 2007-08-31 | 2011-12-13 | Xerox Corporation | System and method for the generation of correlation-based digital watermarks |
| AU2008255212A1 (en) * | 2008-12-10 | 2010-06-24 | Canon Kabushiki Kaisha | Page mark-up using printed dot barcodes |
| US8453922B2 (en) * | 2010-02-09 | 2013-06-04 | Xerox Corporation | Method for one-step document categorization and separation using stamped machine recognizable patterns |
| WO2014160306A1 (en) * | 2013-03-13 | 2014-10-02 | Rampage Systems Inc. | System for accelerated screening of digital images |
Family Cites Families (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1597773C3 (de) * | 1967-08-26 | 1974-09-19 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren zum Setzen gerasteter Halbtonbilder |
| GB1493924A (en) * | 1974-01-07 | 1977-11-30 | Crosfield Electronics Ltd | Screened image reproduction |
| DE2518370B2 (de) * | 1975-04-25 | 1979-04-19 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren und Vorrichtung zum optischelektrischen Abtasten, Übertragen und Wiederaufzeichnen von Bildvorlagen, insbesondere Faksimileübertragungssystem |
| US4149194A (en) * | 1977-07-07 | 1979-04-10 | Xerox Corporation | Variable angle electronic halftone screening |
| US4499489A (en) * | 1981-06-08 | 1985-02-12 | Dr. Ing. Rudolf Hell Gmbh | Production of screen printing blocks |
| US4413286A (en) * | 1981-08-24 | 1983-11-01 | Optronics International, Inc. | Method and apparatus involving digital screen generation |
| JPS60165873A (ja) * | 1984-02-09 | 1985-08-29 | Dainippon Screen Mfg Co Ltd | 網点発生器のアドレス発生方法 |
| 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 |
| US4639789A (en) * | 1984-05-29 | 1987-01-27 | Xerox Corporation | Raster scanner variable-frequency clock circuit |
| US4622593A (en) * | 1984-05-29 | 1986-11-11 | Xerox Corporation | Polygon signature correction |
| JPH0657049B2 (ja) * | 1984-12-07 | 1994-07-27 | 大日本スクリ−ン製造株式会社 | 網点形成方法 |
| US4860237A (en) * | 1984-08-03 | 1989-08-22 | Xerox Corporation | Scan linearity correction |
| US4766560A (en) * | 1985-12-23 | 1988-08-23 | Xerox Corporation | Parallel/pipelined arithmetic variable clock frequency synthesizer |
| US4680645A (en) | 1986-08-25 | 1987-07-14 | Hewlett-Packard Company | Method for rendering gray scale images with variable dot sizes |
| JP2525794B2 (ja) * | 1987-02-27 | 1996-08-21 | 大日本スクリ−ン製造株式会社 | 網点画像記録装置 |
| US5177623A (en) * | 1988-04-07 | 1993-01-05 | Minolta Camera Kabushiki Kaisha | Image processing apparatus and method |
| US4924301A (en) * | 1988-11-08 | 1990-05-08 | Seecolor Corporation | Apparatus and methods for digital halftoning |
| US4977458A (en) * | 1988-11-16 | 1990-12-11 | Eastman Kodak Company | Apparatus for addressing a font to suppress Moire patterns occurring thereby and a method for use therein |
| US4893136A (en) * | 1988-12-22 | 1990-01-09 | Xerox Corporation | Arithmetically computed motor hunt compensation for flying spot scanners |
| US4935891A (en) * | 1988-12-22 | 1990-06-19 | Xerox Corporation | Pseudo-random phase shifted arithmetic bit clock generators for digital printers |
| US5274473A (en) * | 1989-08-04 | 1993-12-28 | Intergraph Corporation | Rapid variable angle digital screening |
| US4985779A (en) * | 1989-09-19 | 1991-01-15 | Intergraph Corporation | Improved method and apparatus for generating halftone images |
| BE1003657A3 (nl) * | 1989-12-22 | 1992-05-12 | Aesthedes N V | Inrichting voor het vormen van een verzameling data bestemd voor een drukplaat. |
| US5382967A (en) | 1990-06-11 | 1995-01-17 | Xerox Corporation | Continuously tunable raster resolution printing |
| US5229760A (en) * | 1990-06-28 | 1993-07-20 | Xerox Corporation | Arithmetic technique for variable resolution printing in a ros |
| US5128525A (en) * | 1990-07-31 | 1992-07-07 | Xerox Corporation | Convolution filtering for decoding self-clocking glyph shape codes |
| US5221971A (en) * | 1990-11-21 | 1993-06-22 | Polaroid Corporation | Area modulation printing apparatus |
| US5140431A (en) * | 1990-12-31 | 1992-08-18 | E. I. Du Pont De Nemours And Company | Digital electronic system for halftone printing |
| US5155599A (en) * | 1991-07-25 | 1992-10-13 | Miles, Inc. | Screening system and method for color reproduction in offset printing |
| US5138339A (en) * | 1991-07-29 | 1992-08-11 | Xerox Corporation | Microaddressability via overscanned illumination for optical printers and the like having high gamma photosensitive recording media |
| US5357273A (en) | 1991-07-29 | 1994-10-18 | Xerox Corporation | Resolution conversion via intensity controlled overscanned illumination for optical printers and the like having high gamma photosensitive recording media |
| US5221833A (en) * | 1991-12-27 | 1993-06-22 | Xerox Corporation | Methods and means for reducing bit error rates in reading self-clocking glyph codes |
| US5233441A (en) * | 1992-03-20 | 1993-08-03 | Eastman Kodak Company | Method for representing halftone dots with dot envelope parameters |
| US5335088A (en) * | 1992-04-01 | 1994-08-02 | Xerox Corporation | Apparatus and method for encoding halftone images |
| US5185674A (en) * | 1992-04-03 | 1993-02-09 | Eastman Kodak Company | Binary resolution decimation method and apparatus |
| US5258849A (en) * | 1992-06-05 | 1993-11-02 | Eastman Kodak Company | Halftone dot arrangement in gray level halftone printing |
| US5216443A (en) * | 1992-06-12 | 1993-06-01 | Xerox Corporation | Programmable intensity smart laser system capable of being fabricated on a semiconductive substrate |
| JP2986292B2 (ja) * | 1992-07-10 | 1999-12-06 | 大日本スクリーン製造株式会社 | 網点形成方法および装置 |
| EP0583776B1 (de) * | 1992-08-17 | 1999-01-07 | Bayer Corporation | Rasterfilter sowie Erzeugungsvorrichtung und -verfahren dafür |
| US5479584A (en) | 1992-08-28 | 1995-12-26 | Xerox Corporation | Enhanced fidelity reproduction of images with device independent numerical sample output |
| US5233367A (en) * | 1992-09-18 | 1993-08-03 | Xerox Corporation | Multiple beam interlaced scanning system |
| US5446558A (en) * | 1992-10-05 | 1995-08-29 | Eastman Kodak Company | Apparatus and associated method for representing elliptical halftone dots |
| US5448366A (en) * | 1992-10-05 | 1995-09-05 | Eastman Kodak Company | Apparatus and method for noise distorting the painting of a halftone dot |
| US5485289A (en) * | 1993-10-28 | 1996-01-16 | Xerox Corporation | Hyperacuity printer architecture |
| US5410414A (en) * | 1993-10-28 | 1995-04-25 | Xerox Corporation | Halftoning in a hyperacuity printer |
-
1994
- 1994-06-02 US US08/252,872 patent/US5537223A/en not_active Expired - Lifetime
-
1995
- 1995-04-19 CA CA002147298A patent/CA2147298C/en not_active Expired - Fee Related
- 1995-05-26 JP JP12820895A patent/JP3842313B2/ja not_active Expired - Lifetime
- 1995-06-02 EP EP95303793A patent/EP0685960B1/de not_active Expired - Lifetime
- 1995-06-02 DE DE69516456T patent/DE69516456T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0685960A2 (de) | 1995-12-06 |
| DE69516456T2 (de) | 2000-09-07 |
| JPH07336538A (ja) | 1995-12-22 |
| EP0685960B1 (de) | 2000-04-26 |
| US5537223A (en) | 1996-07-16 |
| CA2147298C (en) | 1999-08-31 |
| JP3842313B2 (ja) | 2006-11-08 |
| CA2147298A1 (en) | 1995-12-03 |
| EP0685960A3 (de) | 1996-01-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69516456D1 (de) | Drehung von nichtrotationssymmetrischen Halbtonrasterpunkten zur Kodierung eingebetteter Daten in einem Drucker mit hoher Schärfe | |
| DE69419229T2 (de) | Halbtonrasterung in einem Drucker mit hoher Schärfe | |
| DE69830272T8 (de) | Druckdatenerzeugungssystem und entsprechendes Verfahren zur Verwendung in einem Drucksystem | |
| DE69608737T2 (de) | Aufzeichnungsgerät mit Flüssigkeitsstrahl zur Aufzeichnung von Abbildungen in Halbtondichte | |
| DE69427967T2 (de) | Vorrichtung zum Drucken von digitalen Bilddaten | |
| DE69325444D1 (de) | Seitendrucker mit einem System zum Empfang und Druck gerasterter Bildpunktdaten von einem Hauptrechner | |
| DE69327274D1 (de) | Verfahren zur Reduzierung der Pixeldichte in einem Drucker | |
| DE69517618D1 (de) | Bedrucken von Laschen mit einem Drucker | |
| DE69309614D1 (de) | System zur Identifikation des Typs von Tonerdruckkassetten, die in einem elektrophotographischen Drucker geladen sind | |
| EP0311234A3 (de) | Verfahren und Vorrichtung zur Kodierung von photographischem Material | |
| DE69517274D1 (de) | Vorrichtung zur Maximierung der Bilddatenübertragungsrate in einem Drucksystem | |
| DE69422757T2 (de) | Bildkommunikationsgerät mit Einheit zur Speicherung von Aufzeichnungspapier | |
| DE68923045T2 (de) | Antriebsmechanismus zur Anwendung in einem Drucker. | |
| DE29607261U1 (de) | Mit Tinte versorgter Drucker und Tintenzuführtank | |
| DE69319857D1 (de) | Verfahren und Gerät zur Verbesserung von Vollfarbbildern mit Verwendung von Verfahrensschwärze und Druckerschwärze | |
| DE69334355D1 (de) | Verfahren zur Auflösungsumwandlung von Druckdaten für einen Drucker | |
| DE69128586T2 (de) | Gerät zur Umwandlung von Druckerdaten mit Interrupt Möglichkeit | |
| DE69523248T2 (de) | Vorrichtung zur Kodierung/Dekodierung von Bildinformation | |
| DE69414796T2 (de) | Verbessertes optisches System zur Verwendung in einem Drucker und Verfahren | |
| DE69509627T2 (de) | Punktausrichtung für Drucker mit gemischter Auflösung | |
| DE69516468T2 (de) | Digitaler Drucker mit zur Entwicklung modulierter Weisslichtquelle | |
| DE69411041D1 (de) | Ein elektrophotographischer Farbdrucker und ein, einen solchen Drucker verwendendes Druckverfahren | |
| DE69326295T2 (de) | Verfahren zur Reduziering der Pixeldichte in einem Drucker | |
| DE69530655D1 (de) | Druckverfahren und Drucker unter Verwendung eines räumlichen Modulators | |
| DE69418013T2 (de) | Drucker mit Faksimilefunktion und Betriebsverfahren |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |