DE2967699D1 - Verfahren zur verarbeitung von bilddaten. - Google Patents

Verfahren zur verarbeitung von bilddaten.

Info

Publication number
DE2967699D1
DE2967699D1 DE7979301138T DE2967699T DE2967699D1 DE 2967699 D1 DE2967699 D1 DE 2967699D1 DE 7979301138 T DE7979301138 T DE 7979301138T DE 2967699 T DE2967699 T DE 2967699T DE 2967699 D1 DE2967699 D1 DE 2967699D1
Authority
DE
Germany
Prior art keywords
image data
processing image
processing
data
image
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
Application number
DE7979301138T
Other languages
English (en)
Inventor
James C Stoffel
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE2967699D1 publication Critical patent/DE2967699D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/403—Edge-driven scaling; Edge-based scaling
    • 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
    • H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions
    • 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
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE7979301138T 1978-06-21 1979-06-14 Verfahren zur verarbeitung von bilddaten. Expired - Lifetime DE2967699D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/917,613 US4193092A (en) 1978-06-21 1978-06-21 Image interpolation system

Publications (1)

Publication Number Publication Date
DE2967699D1 true DE2967699D1 (de) 1990-10-04

Family

ID=25439055

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979301138T Expired - Lifetime DE2967699D1 (de) 1978-06-21 1979-06-14 Verfahren zur verarbeitung von bilddaten.

Country Status (5)

Country Link
US (1) US4193092A (de)
EP (1) EP0006351B1 (de)
JP (1) JPS554194A (de)
CA (1) CA1135398A (de)
DE (1) DE2967699D1 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2948369C2 (de) * 1978-11-30 1984-09-27 Toppan Printing Co. Ltd., Tokio/Tokyo Elektronisches Gerät zur Verarbeitung eines Farbfernsehbildes sowie Verfahren zur Bestimmung von Einzelbildern bei diesem Gerät
US4506301A (en) * 1979-10-12 1985-03-19 Xerox Corporation Multiple mode raster scanner
US4288821A (en) * 1980-06-02 1981-09-08 Xerox Corporation Multi-resolution image signal processing apparatus and method
DE3036711C2 (de) * 1980-09-29 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Verkleinern von grafischen Mustern
US4498080A (en) * 1980-12-31 1985-02-05 Braintech, Inc. Apparatus and method for topographic display of multichannel data
US4414580A (en) * 1981-06-01 1983-11-08 Bell Telephone Laboratories, Incorporated Progressive transmission of two-tone facsimile
US4396952A (en) * 1981-07-06 1983-08-02 Tisue James G Facsimile transmission apparatus
US4402012A (en) * 1981-11-16 1983-08-30 General Electric Company Two-dimensional digital linear interpolation system
US4587621A (en) * 1982-03-08 1986-05-06 The Mead Corporation Device for electrical variable magnification of document image
US4532602A (en) * 1982-03-08 1985-07-30 The Mead Corporation Device for electrical variable magnification of document image
US4484188A (en) * 1982-04-23 1984-11-20 Texas Instruments Incorporated Graphics video resolution improvement apparatus
US4528693A (en) * 1982-09-30 1985-07-09 International Business Machines Corporation Apparatus and method for scaling facsimile image data
NL8301566A (nl) * 1983-05-04 1984-12-03 Philips Nv Inrichting voor het maken van een foto-, diarespektievelijk filmafbeelding van een televisiebeeld.
US4571632A (en) * 1983-08-26 1986-02-18 The United States Of America As Represented By The Secretary Of The Army Alternate line interpolation method and apparatus
US4644398A (en) * 1983-11-14 1987-02-17 Elscint, Ltd. Superinterlacing imaging systems
DE3408016A1 (de) * 1984-03-05 1985-09-12 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur bestimmung des displacements von bildsequenzen und anordnung sowie anwendungen hierzu
DE3585939D1 (de) * 1984-10-24 1992-06-04 Ibm Verfahren zur bildvergroesserung von in laufdarstellungsform gespeicherten bildern.
DE208784T1 (de) * 1985-01-10 1987-09-03 Yokogawa Medical Systems, Ltd., Tachikawa, Tokio/Tokyo Geraet zum interpolieren von videodaten.
US4712141A (en) * 1985-03-30 1987-12-08 Dainippon Screen Mfg. Co., Ltd. Method and apparatus for interpolating image signals
JPH0693245B2 (ja) * 1985-04-20 1994-11-16 富士写真フイルム株式会社 フオ−ム情報圧縮方法
JPS623372A (ja) * 1985-06-27 1987-01-09 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 画像変換装置
GB2180714B (en) * 1985-08-22 1989-08-16 Rank Xerox Ltd Image apparatus
JPS6299869A (ja) * 1985-10-25 1987-05-09 Fuji Photo Film Co Ltd 情報圧縮方法
US4742399A (en) * 1985-11-01 1988-05-03 Dainippon Screen Mfg. Co., Ltd. Method of and apparatus for generating high-resolution bilevel image data
US4665436A (en) * 1985-12-20 1987-05-12 Osborne Joseph A Narrow bandwidth signal transmission
JP2744613B2 (ja) * 1986-04-30 1998-04-28 富士写真フイルム株式会社 画像情報の検出処理装置
US4837614A (en) * 1986-08-20 1989-06-06 Ricoh Company, Ltd. Color image processing method
US5029017A (en) * 1986-10-08 1991-07-02 Konishiroku Photo Industry Co., Ltd. Image processing apparatus capable of enlarging/reducing apparatus
US5294984A (en) * 1988-07-23 1994-03-15 Ryoichi Mori Video signal processing system for producing intermediate pixel data from neighboring pixel data to improve image quality
KR940005247B1 (ko) * 1991-12-07 1994-06-15 삼성전자 주식회사 화상처리 시스템의 해상도 변환방법
US5327257A (en) * 1992-02-26 1994-07-05 Cymbolic Sciences International Ltd. Method and apparatus for adaptively interpolating a digital image
US5973709A (en) * 1992-06-24 1999-10-26 Oki Electric Industry Co., Ltd. Printer and process for printing different size dots by setting drive energies based on adjacent data bit logic
JP2866776B2 (ja) * 1992-06-24 1999-03-08 沖電気工業株式会社 ノンインパクトプリンタ及びその印刷方法
EP0622756B1 (de) * 1993-04-30 1999-06-23 Hewlett-Packard Company Verfahren und Vorrichtung zum Drucken eines verbesserten Bildes
US6680782B1 (en) 1993-06-30 2004-01-20 Nexpress Solutions Llc Method and apparatus of using a raster image processor and interpolator to increase the speed of operation and reduce memory requirements for electronic printing
US5537495A (en) * 1994-03-11 1996-07-16 Hewlett-Packard Company Pixel correction and smoothing method
US5483355A (en) * 1994-03-11 1996-01-09 Hewlett-Packard Co. Pixel correctional and smoothing method
US5440407A (en) * 1994-03-11 1995-08-08 Hewlett-Packard Company Pixel correction and smoothing method
US5535307A (en) * 1994-08-16 1996-07-09 Hewlett-Packard Company Printing of variable dot sizes dependent upon image density for improved graphics
KR100186582B1 (ko) * 1996-06-29 1999-05-01 김광호 해상도 자동 제어방법
KR100271469B1 (ko) * 1997-02-25 2001-01-15 이민화 초음파스캔시스템의 디지탈스캔컨버터
DE59806214D1 (de) 1997-11-28 2002-12-12 Oce Printing Systems Gmbh Verfahren zur umsetzung digitaler daten im raster einer ersten auflösung in digitale zieldaten einer zweiten auflösung
US6002407A (en) 1997-12-16 1999-12-14 Oak Technology, Inc. Cache memory and method for use in generating computer graphics texture
US6697539B1 (en) 2000-03-31 2004-02-24 Sharp Laboratories Of America, Inc. Image scaling by exact 2D implicit polynomials

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921124A (en) * 1956-12-10 1960-01-12 Bell Telephone Labor Inc Method and apparatus for reducing television bandwidth
FR2257183B1 (fr) * 1974-01-04 1976-11-26 Cit Alcatel Systeme de transmission fac-simile d'une image
US4020282A (en) * 1974-01-14 1977-04-26 General Dynamics Corporation High density data processing system
JPS5185619A (de) * 1975-01-27 1976-07-27 Nippon Telegraph & Telephone
US4068266A (en) * 1976-06-03 1978-01-10 Xerox Corporation Statistical resolution conversion technique
US4032977A (en) * 1976-06-03 1977-06-28 Xerox Corporation Gray scale interpolation technique
DE2640157C2 (de) * 1976-09-07 1982-10-07 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Anordnung zum redundanzvermindernden Codieren von Bildern
US4117470A (en) * 1976-10-08 1978-09-26 Data General Corporation Data bit compression system
DE2746934A1 (de) * 1976-10-21 1978-04-27 Western Electric Co Vorrichtung zur verarbeitung von digitalsignalen
US4149091A (en) * 1977-05-02 1979-04-10 Xerox Corporation Scanning apparatus

Also Published As

Publication number Publication date
EP0006351B1 (de) 1990-08-29
JPS554194A (en) 1980-01-12
CA1135398A (en) 1982-11-09
US4193092A (en) 1980-03-11
EP0006351A1 (de) 1980-01-09
JPS6361826B2 (de) 1988-11-30

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Legal Events

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8364 No opposition during term of opposition