DE68923552T2 - Digitale halbtonrasterung mit minimalvisuellen modulationsmustern. - Google Patents

Digitale halbtonrasterung mit minimalvisuellen modulationsmustern.

Info

Publication number
DE68923552T2
DE68923552T2 DE68923552T DE68923552T DE68923552T2 DE 68923552 T2 DE68923552 T2 DE 68923552T2 DE 68923552 T DE68923552 T DE 68923552T DE 68923552 T DE68923552 T DE 68923552T DE 68923552 T2 DE68923552 T2 DE 68923552T2
Authority
DE
Germany
Prior art keywords
minimal
modulation patterns
digital halftone
halftone screening
visual modulation
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 - Fee Related
Application number
DE68923552T
Other languages
English (en)
Other versions
DE68923552D1 (de
Inventor
James Sullivan
Rodney Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE68923552D1 publication Critical patent/DE68923552D1/de
Publication of DE68923552T2 publication Critical patent/DE68923552T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE68923552T 1988-10-19 1989-10-12 Digitale halbtonrasterung mit minimalvisuellen modulationsmustern. Expired - Fee Related DE68923552T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/259,940 US4920501A (en) 1988-10-19 1988-10-19 Digital halftoning with minimum visual modulation patterns
PCT/US1989/004546 WO1990004898A1 (en) 1988-10-19 1989-10-12 Digital halftoning with minimum visual modulation patterns

Publications (2)

Publication Number Publication Date
DE68923552D1 DE68923552D1 (de) 1995-08-24
DE68923552T2 true DE68923552T2 (de) 1996-03-21

Family

ID=22987086

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923552T Expired - Fee Related DE68923552T2 (de) 1988-10-19 1989-10-12 Digitale halbtonrasterung mit minimalvisuellen modulationsmustern.

Country Status (5)

Country Link
US (1) US4920501A (de)
EP (1) EP0409915B1 (de)
JP (1) JPH03501797A (de)
DE (1) DE68923552T2 (de)
WO (1) WO1990004898A1 (de)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0296473A (ja) * 1988-09-30 1990-04-09 Matsushita Graphic Commun Syst Inc 画信号処理装置
US5162925A (en) * 1988-11-17 1992-11-10 Canon Kabushiki Kaisha Color image processor capable of performing masking using a reduced number of bits
JPH02165775A (ja) * 1988-12-20 1990-06-26 Toshiba Corp 画像処理装置
US5051844A (en) * 1989-01-30 1991-09-24 Eastman Kodak Company Digital halftoning with error diffusion
US5309526A (en) * 1989-05-04 1994-05-03 At&T Bell Laboratories Image processing system
US5577136A (en) * 1989-09-27 1996-11-19 Canon Kabushiki Kaisha Image processing apparatus
US5201030A (en) * 1989-09-28 1993-04-06 Sun Microsystems, Inc. Method and apparatus for dithering graphic images
EP0422575B1 (de) * 1989-10-09 1997-07-23 Fujitsu Limited System zum Übertragen von Bilddaten
JPH07106646B2 (ja) * 1989-12-25 1995-11-15 富士ゼロックス株式会社 画像処理装置
US5214517A (en) * 1990-02-07 1993-05-25 Eastman Kodak Company Digital halftoning with correlated minimum visual modulation patterns
JP3154240B2 (ja) * 1990-02-07 2001-04-09 ネクスプレス ソルーションズ エル エル シー 相関最小視覚変調パターンによるディジタル中間調調色
US5109282A (en) * 1990-06-20 1992-04-28 Eye Research Institute Of Retina Foundation Halftone imaging method and apparatus utilizing pyramidol error convergence
DE4025793A1 (de) * 1990-08-13 1992-02-20 Siemens Ag Verfahren zum drucken eines halbtonbildes
US5253084A (en) * 1990-09-14 1993-10-12 Minnesota Mining And Manufacturing Company General kernel function for electronic halftone generation
US5258832A (en) * 1990-09-14 1993-11-02 Minnesota Mining And Manufacturing Company Non-perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5323245A (en) * 1990-09-14 1994-06-21 Minnesota Mining And Manufacturing Company Perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5583660A (en) * 1990-09-14 1996-12-10 Minnesota Mining And Manufacturing Company Non-perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5264926A (en) * 1990-09-14 1993-11-23 Minnesota Mining And Manufacturing Company Perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5172247A (en) * 1990-10-24 1992-12-15 Eastman Kodak Company High speed digital error diffusion process for continuous tone image-to-binary image conversion
US5323247A (en) * 1990-12-04 1994-06-21 Research Corporation Technologies Method and apparatus for halftoning and inverse halftoning and the transmission of such images
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
US5111310A (en) * 1990-12-04 1992-05-05 Research Technologies Corporation, Inc. Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
US5191640A (en) * 1990-12-26 1993-03-02 Xerox Corporation Method for optimal discrete rendering of images
JPH04270565A (ja) * 1991-02-20 1992-09-25 Fuji Xerox Co Ltd 画像圧縮装置
US5463472A (en) * 1991-02-22 1995-10-31 At&T Corp. Model-based halftoning
US5475497A (en) * 1991-02-22 1995-12-12 At&T Ipm Corp. Two-dimensional display model-based halftoning
US5150428A (en) * 1991-04-01 1992-09-22 Eastman Kodak Company Method for generating halftone image data with randomly selected threshold array
US5442461A (en) * 1991-09-03 1995-08-15 Levien; Raphael L. Screen generation for halftone screening of images with reduction of irrational correction artifacts
US5754311A (en) * 1992-03-10 1998-05-19 Eastman Kodak Company Method and apparatus for generating simultaneously derived correlated digital halftone patterns
US5444461A (en) * 1992-03-19 1995-08-22 Optibase Advanced Systems (1990) Ltd. Bi-dimensional visual model
US5359430A (en) * 1992-05-15 1994-10-25 Microsoft Corporation Block-halftoning method and system with compressed error image
EP0571010B1 (de) 1992-05-22 1997-03-12 Agfa-Gevaert N.V. Verbessertes Verfahren zur frequenzmodulierten Halbtonrasterung
US5291311A (en) * 1992-06-29 1994-03-01 Eastman Kodak Company Apparatus and method for generating multi-level output values for pixels in a halftone cell
US5898796A (en) * 1992-07-21 1999-04-27 Minolta Co., Ltd. Method of processing image having value of error data controlled based on image characteristic in region to which pixel belongs
US5444551A (en) * 1992-07-22 1995-08-22 Eastman Kodak Company Process for specifying mean-preserving mutli-level halftone matrices with varying amounts of modulation
US5335089A (en) * 1992-07-29 1994-08-02 R. R. Donnelley & Sons Company Electronic high-fidelity screenless conversion system and method using a separable filter
US5485281A (en) * 1992-07-31 1996-01-16 E. I. Du Pont De Nemours And Company Raster image processing with pixel mapping to allow image border density allocation
US5535020A (en) * 1992-10-15 1996-07-09 Digital Equipment Corporation Void and cluster apparatus and method for generating dither templates
EP0593304B1 (de) 1992-10-15 1999-04-14 Digital Equipment Corporation Erzeugung von Schablonen mit homogener Verteilung binärer Elemente, anwendbar bei Halbton-Bildwiedergabe
US5473439A (en) * 1992-10-23 1995-12-05 At&T Corp. Model-based halftoning of color images
JP2788699B2 (ja) * 1992-12-16 1998-08-20 松下電器産業株式会社 画像データ処理装置
US5452403A (en) * 1992-12-23 1995-09-19 Eastman Kodak Company Process for selecting output levels for multi-level halftone in the presence of an unstable display device
AU671874B2 (en) * 1993-01-11 1996-09-12 Canon Kabushiki Kaisha Dithering optimization techniques
US5526021A (en) * 1993-01-11 1996-06-11 Canon Inc. Dithering optimization techniques
US5440647A (en) * 1993-04-22 1995-08-08 Duke University X-ray procedure for removing scattered radiation and enhancing signal-to-noise ratio (SNR)
US5313287A (en) * 1993-04-30 1994-05-17 Hewlett-Packard Company Imposed weight matrix error diffusion halftoning of image data
JP3262414B2 (ja) * 1993-07-19 2002-03-04 キヤノン株式会社 画像処理装置及び画像処理方法
DE69403581T2 (de) * 1993-08-13 1998-02-05 Agfa Gevaert Nv Verfahren zum Erzeugen frequenzmodulierter Halbtonbilder
US5987219A (en) * 1993-09-01 1999-11-16 Canon Information Systems Research Australia Pty. Ltd. Method of producing a dither matrix by dividing an array into a plurality of regions and altering the borders of each region to have continuous irregular boundaries
EP0647058B1 (de) * 1993-09-28 1999-04-14 Hewlett-Packard Company Digitale Halbtonrasterwiedergabe eines Grautonbildes mit frequenzabhängiger diagonaler Korrelation
EP0650289A1 (de) * 1993-10-04 1995-04-26 Eastman Kodak Company Verfahren und Gerät zur Erzeugung von Halbtonmustern für eine Multipegelausgabeeinrichtung
GB9325263D0 (en) * 1993-12-10 1994-02-16 Crosfield Electronics Ltd Method and apparatus for generating an output device control signal
US5552898A (en) 1994-07-06 1996-09-03 Agfa-Gevaert Lossy and lossless compression in raster image processor
US5602653A (en) * 1994-11-08 1997-02-11 Xerox Corporation Pixel pair grid halftoning for a hyperacuity printer
US5633729A (en) * 1994-12-22 1997-05-27 Eastman Kodak Company Processes for minimizing the quantization error in multi-level halftone transfer functions
US5751920A (en) * 1995-01-26 1998-05-12 Apple Computer, Inc. System and method for adapting the thresholds of a dither matrix to the amplitude of an input signal
US5742405A (en) * 1995-01-26 1998-04-21 Eastman Kodak Company Method and system for forming multi-level halftone images from an input digital image
US5555102A (en) * 1995-01-30 1996-09-10 Apple Computer, Inc. System and method for generating images with improved visual quality using local correlation, ordered dither
US5581371A (en) * 1995-03-07 1996-12-03 Eastman Kodak Company Error diffusion method
US5689623A (en) * 1995-03-27 1997-11-18 Optronics International Corporation Spread spectrum digital screening
IL116123A (en) 1995-11-23 1999-07-14 Scitex Corp Ltd System and method for printing
US5841951A (en) * 1996-02-09 1998-11-24 Seiko Epson Corporation Ink duty-cycle control
US5737453A (en) * 1996-05-17 1998-04-07 Canon Information Systems, Inc. Enhanced error-diffusion method for color or black-and-white reproduction
US5799136A (en) * 1996-05-28 1998-08-25 Seiko Epson Corporation On-line ink-duty reduction
US5822451A (en) * 1996-06-05 1998-10-13 Eastman Kodak Company Method for halftoning a multi-channel digital color image
US5835687A (en) * 1996-10-21 1998-11-10 Vidar Systems Corporation Methods and apparatus for providing digital halftone images with random error diffusion dithering
US5796929A (en) * 1996-10-24 1998-08-18 Seiko Epson Corporation Banding and ink-bleeding reduction in cluster dither by screen displacement
US5946452A (en) * 1997-02-14 1999-08-31 Eastman Kodak Company Partially correlated minimum visibility halftone patterns for digital printers
US6208430B1 (en) * 1998-01-07 2001-03-27 Xerox Corporation Increased functionality for Holladay halftoning
US20020071140A1 (en) * 1998-06-03 2002-06-13 Takashi Suzuki Threshold matrix, and method and apparatus of reproducing gray levels using threshold matrix
US6906825B1 (en) 1999-06-14 2005-06-14 Toshiba Tec Kabushiki Kaisha Image processor and color image processor
US6714320B1 (en) 1999-06-14 2004-03-30 Toshiba Tec Kabushiki Kaisha Image processor and color image processor
US7372594B1 (en) * 1999-09-30 2008-05-13 Canon Kabushiki Kaisha Image processing apparatus and method, and storage medium
US6445466B1 (en) * 1999-10-07 2002-09-03 Onyx Graphics Corporation System and method for level based image reproduction
US6336696B1 (en) 1999-11-09 2002-01-08 Xerox Corporation Method and apparatus for masking thermally-induced ink volume variation artifacts using high frequency interlacing
US6597473B1 (en) * 1999-11-29 2003-07-22 Xerox Corporation Method to obtain consistent image quality measurements from different image input devices
CA2347181A1 (en) 2000-06-13 2001-12-13 Eastman Kodak Company Plurality of picture appearance choices from a color photographic recording material intended for scanning
US6781724B1 (en) 2000-06-13 2004-08-24 Eastman Kodak Company Image processing and manipulation system
US6791718B1 (en) * 2000-06-14 2004-09-14 Hewlett-Packard Development Company, L.P. Halftone printing with dither matrices generated by using cluster filters
US7085016B2 (en) * 2000-11-21 2006-08-01 Silicon Integrated Systems Corp. Method and apparatus for dithering and inversely dithering in image processing and computer graphics
JP3934442B2 (ja) * 2001-03-16 2007-06-20 株式会社リコー マスク作成方法、画像処理装置及びソフトウェアプログラム
JP4043018B2 (ja) * 2001-04-19 2008-02-06 エーユー オプトロニクス コーポレイション 離散パターン、該離散パターンを用いた光学部材、導光板、サイドライト装置および透過型液晶表示装置
US7064869B2 (en) * 2001-06-22 2006-06-20 Eastman Kodak Company Method for halftoning a multi-channel digital color image having at least one group of similar color channels
US7321674B2 (en) * 2002-02-22 2008-01-22 Agfa Healthcare, N.V. Method of normalising a digital signal representation of an image
US20040085553A1 (en) * 2002-10-30 2004-05-06 Eastman Kodak Company Multitoning a digital image having at least one group of similar colors channels
US7025515B2 (en) * 2003-05-20 2006-04-11 Software 2000 Ltd. Bit mask generation system
US20050219623A1 (en) * 2003-07-23 2005-10-06 Konica Minolta Holdings, Inc. Image processing apparatus and image processing method
US20050157791A1 (en) * 2004-01-20 2005-07-21 Eastman Kodak Company System and method for video tone scale reduction
US7369276B2 (en) 2004-03-05 2008-05-06 Eastman Kodak Company Multi-level halftoning providing improved texture uniformity
CN100484190C (zh) * 2004-05-28 2009-04-29 瑞昱半导体股份有限公司 半色调化影像的方法、装置和产生递色罩的方法
GB2419250C (en) * 2004-10-18 2008-04-24 Software 2000 Ltd Bit mask generation system.
KR100647294B1 (ko) * 2004-11-09 2006-11-23 삼성전자주식회사 화상 데이터 부호화 및 복호화 방법 및 장치
US7515303B2 (en) 2005-03-29 2009-04-07 Heidelberger Druckmaschinen Ag Process for the modeling of dots for a screen
KR100725538B1 (ko) * 2005-06-27 2007-06-08 삼성전자주식회사 모아레 패턴이 발생하지 않는 스크린간의 주파수 비율 및각도 차이 설정방법
TWI368116B (en) * 2007-04-04 2012-07-11 Primax Electronics Ltd Method for generating basic template utilized to form screening mask
US20090034006A1 (en) * 2007-08-03 2009-02-05 Blondal Daniel J Stochastic halftone images based on screening parameters
US20090034008A1 (en) * 2007-08-03 2009-02-05 Lawrence Croft Method for generating stochastic dither matrix
EP3465570A1 (de) 2016-05-31 2019-04-10 Agfa Nv Authentifizierungsverfahren für produktverpackung

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE783030A (de) * 1971-05-04 1972-09-01 Berry Robert D
US4040094A (en) * 1973-02-13 1977-08-02 International Publishing Corporation Ltd. Electronic screening
GB1448112A (en) * 1973-02-13 1976-09-02 Int Publishing Corp Ltd Electronic screening
US4084259A (en) * 1973-11-30 1978-04-11 The Mead Corporation Apparatus for dot matrix recording
US3977007A (en) * 1975-06-02 1976-08-24 Teletype Corporation Gray tone generation
US4084196A (en) * 1977-01-31 1978-04-11 Dacom, Inc. Electronic half-tone generating means for facsimile reproduction system
US4124870A (en) * 1977-03-31 1978-11-07 International Business Machines Corporation Method for improving print quality of coarse-scan/fine-print character reproduction
US4185304A (en) * 1977-07-07 1980-01-22 Xerox Corporation Electronic halftone screening
US4149194A (en) * 1977-07-07 1979-04-10 Xerox Corporation Variable angle electronic halftone screening
US4468706A (en) * 1979-02-13 1984-08-28 Coulter Systems Corporation Imaging by varying the placement of elements in the pixels
US4308326A (en) * 1979-03-28 1981-12-29 Wirth John L Halftone contact screen and photographic method of making the screen
JPS55146582A (en) * 1979-04-27 1980-11-14 Matsushita Electric Ind Co Ltd Image recording method
DE2931098C2 (de) * 1979-07-31 1983-01-05 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Druckformherstellung
US4245258A (en) * 1979-11-05 1981-01-13 Xerox Corporation Method and apparatus for reduction of false contours in electrically screened images
EP0031247B1 (de) * 1979-12-20 1984-03-14 Cambridge Consultants Limited Vorrichtung und Verfahren zur Herstellung eines aus Streupunkten bestehenden Halbtonbildes aus einem Normalbild
JPS5725771A (en) * 1980-07-23 1982-02-10 Canon Inc Picture signal processor
US4554593A (en) * 1981-01-02 1985-11-19 International Business Machines Corporation Universal thresholder/discriminator
US4706077A (en) * 1981-09-08 1987-11-10 Xerox Corporation Halftoning implementation for interactive image editing
US4533941A (en) * 1983-01-14 1985-08-06 Coulter Systems Corporation Method and apparatus for half-tone reproduction of a varying tone original image
JPS60113582A (ja) * 1983-11-24 1985-06-20 Ricoh Co Ltd 中間調画像処理方法
US4651287A (en) * 1984-06-14 1987-03-17 Tsao Sherman H Digital image processing algorithm for output devices with discrete halftone gray scale capability
US4730185A (en) * 1984-07-06 1988-03-08 Tektronix, Inc. Graphics display method and apparatus for color dithering
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
US4821334A (en) * 1984-12-28 1989-04-11 Canon Kabushiki Kaisha Image processing apparatus
DE3686821T2 (de) * 1985-01-10 1993-04-01 Nippon Telegraph & Telephone Halbtonbildverarbeitungseinrichtung.
US4677571A (en) * 1985-02-08 1987-06-30 Rise Technology Inc. Electronic publishing
US4654721A (en) * 1985-04-12 1987-03-31 International Business Machines Corporation System for reproducing multi-level digital images on a bi-level printer of fixed dot size
DE3751035T2 (de) * 1986-12-04 1995-05-24 Quantel Ltd Videosignalverarbeitungssysteme.
JPS63202182A (ja) * 1987-02-18 1988-08-22 Olympus Optical Co Ltd 傾斜ドツトパタ−ン形成方法

Also Published As

Publication number Publication date
US4920501A (en) 1990-04-24
WO1990004898A1 (en) 1990-05-03
JPH03501797A (ja) 1991-04-18
EP0409915B1 (de) 1995-07-19
EP0409915A1 (de) 1991-01-30
DE68923552D1 (de) 1995-08-24

Similar Documents

Publication Publication Date Title
DE68923552T2 (de) Digitale halbtonrasterung mit minimalvisuellen modulationsmustern.
DE69029229D1 (de) Digitale halbtonrasterung mit fehlerdiffusion
DE69117035T2 (de) Digitale Modulation
DE69113254D1 (de) Digitale halbtonrasterung mit korrelierten minimalvisuellen modulationsmustern.
IT8423223A0 (it) Oggetti polimerici modificati conialuronato.
IT8423224A0 (it) Oggetti polimerici modificati conialuronato.
NO890378D0 (no) Senterfrekvent hoeyopploesnings digital faselaast sloeyfe.
FI922167A0 (fi) Foerbaettrad digital videoapparat.
DE3786247D1 (de) Lanzette mit rueckfuehrung.
FI905571A0 (fi) Frekvensregleringsanordning och -foerfarande foer en digital radiomottagare.
FI894151A0 (fi) Digital spraokkodare med en foerbaettrad vektoralstringskaella.
FI884613A0 (fi) Siktanordning.
DE69021532T2 (de) Digitalsignaldetektor mit variabler Bandbreite.
AT386503B (de) Digitales amplitudensieb mit steuerbarem siebpegel
DE68914805D1 (de) Digitaler Frequenzteiler.
DE3853563T2 (de) Digitale Frequenzsynthesierer.
DE3774149D1 (de) Digitaler phasenschieber.
DE3870960D1 (de) Digitales filter mit mehreren stufen in phasenuebereinstimmung.
DE69021919D1 (de) Digitales Modulationsverfahren.
DE3767218D1 (de) Halbtonreproduktion.
DE123526T1 (de) Rueckkipp-lastwagen mit einer siebvorrichtung.
FI894427A (fi) Digital frekvensgenerator.
DE68911588D1 (de) Halbtonbilderzeugung.
DE3786644T2 (de) Interferenzunempfindlicher Digital-Modulationsempfänger.
DE3886740D1 (de) Digitale Deemphasisschaltung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee