DE2967696D1 - Verfahren zur bilddatenverarbeitung. - Google Patents

Verfahren zur bilddatenverarbeitung.

Info

Publication number
DE2967696D1
DE2967696D1 DE7979301137T DE2967696T DE2967696D1 DE 2967696 D1 DE2967696 D1 DE 2967696D1 DE 7979301137 T DE7979301137 T DE 7979301137T DE 2967696 T DE2967696 T DE 2967696T DE 2967696 D1 DE2967696 D1 DE 2967696D1
Authority
DE
Germany
Prior art keywords
image data
data processing
processing
image
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
Application number
DE7979301137T
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 DE2967696D1 publication Critical patent/DE2967696D1/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
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
    • 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)
DE7979301137T 1978-06-21 1979-06-14 Verfahren zur bilddatenverarbeitung. Expired - Lifetime DE2967696D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91762678A 1978-06-21 1978-06-21

Publications (1)

Publication Number Publication Date
DE2967696D1 true DE2967696D1 (de) 1990-04-05

Family

ID=25439073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979301137T Expired - Lifetime DE2967696D1 (de) 1978-06-21 1979-06-14 Verfahren zur bilddatenverarbeitung.

Country Status (4)

Country Link
EP (1) EP0006715B1 (de)
JP (1) JPS554195A (de)
CA (1) CA1157143A (de)
DE (1) DE2967696D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59202493A (ja) * 1983-05-02 1984-11-16 セイコーインスツルメンツ株式会社 ラスタ走査形図形表示方式
US4837614A (en) * 1986-08-20 1989-06-06 Ricoh Company, Ltd. Color image processing method
JP2832929B2 (ja) * 1987-01-14 1998-12-09 富士写真フイルム株式会社 画像信号処理方法
JP2624262B2 (ja) * 1987-09-18 1997-06-25 株式会社日立製作所 印刷装置
JP2615836B2 (ja) * 1988-05-16 1997-06-04 松下電器産業株式会社 画信号処理装置
JPH02126771A (ja) * 1988-11-07 1990-05-15 Aisin Seiki Co Ltd 画像情報の２値化方法および装置
NL8901019A (nl) * 1989-04-24 1990-11-16 Philips Nv Sensorschakeling voor gecorreleerde dubbele signaalbemonstering.
US5043827A (en) * 1989-08-03 1991-08-27 Xerox Corporation Combined asynchronous-synchronous document scanner
US5483355A (en) * 1994-03-11 1996-01-09 Hewlett-Packard Co. Pixel correctional and smoothing method

Family Cites Families (4)

* 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
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
US4084196A (en) * 1977-01-31 1978-04-11 Dacom, Inc. Electronic half-tone generating means for facsimile reproduction system

Also Published As

Publication number Publication date
EP0006715B1 (de) 1990-02-28
JPS6361827B2 (de) 1988-11-30
CA1157143A (en) 1983-11-15
EP0006715A1 (de) 1980-01-09
JPS554195A (en) 1980-01-12

Similar Documents

Publication Publication Date Title
DE2967699D1 (de) Verfahren zur verarbeitung von bilddaten.
DE3482543D1 (de) Verfahren zur bildverarbeitung.
DE3380997D1 (de) Verfahren zur bilduntersuchung.
DE3482430D1 (de) Verfahren zur musterbearbeitung.
DE3481870D1 (de) Verfahren zur bilderzeugung.
DE3280451D1 (de) Verfahren zur Initialisierung eines Datenverarbeitungssystems.
DE2967702D1 (de) System zur verarbeitung digitaler daten.
IT1119843B (it) Apparato per identificare immagini
DE3484804D1 (de) Verfahren zur entdeckung eines strahlungsbildes.
DE3584701D1 (de) Verfahren zur anzeige eines bildes.
IT7926109A0 (it) Impianto elettronico di trattamento di immagini.
DE2920490A1 (de) Datenverarbeitungssystem
DK3879A (da) Databehandlingsanlaeg
DE3585106D1 (de) Verfahren zur positiven bilderzeugung.
DE3783193D1 (de) Verfahren oder system zur verarbeitung von bilddaten.
DE3381696D1 (de) Verfahren zur verarbeitung von bilddaten.
DE3483526D1 (de) Verfahren zur bilderzeugung.
DE3783865D1 (de) Elektrostatographisches verfahren zur bilderzeugung.
DE68909461D1 (de) Verfahren zur seismischen datenverarbeitung.
DE2967696D1 (de) Verfahren zur bilddatenverarbeitung.
ATA436780A (de) Verfahren zur gewinnung von myeloperoxidase
DE3778274D1 (de) Verfahren zur repraesentation von bewegten bildern.
DK3979A (da) Databehandlingsanlaeg
LU81654A1 (de) Verfahren zur teilnehmererkennung
DE3380969D1 (de) Verfahren zum auslesen von radiographischen bildern.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition