DE69031771D1 - Farbbildinformationsverarbeitungsverfahren - Google Patents

Farbbildinformationsverarbeitungsverfahren

Info

Publication number
DE69031771D1
DE69031771D1 DE69031771T DE69031771T DE69031771D1 DE 69031771 D1 DE69031771 D1 DE 69031771D1 DE 69031771 T DE69031771 T DE 69031771T DE 69031771 T DE69031771 T DE 69031771T DE 69031771 D1 DE69031771 D1 DE 69031771D1
Authority
DE
Germany
Prior art keywords
information processing
processing method
image information
color image
color
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
DE69031771T
Other languages
English (en)
Other versions
DE69031771T2 (de
Inventor
Roh Ishida
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.)
Toyo Ink Mfg Co Ltd
Original Assignee
Toyo Ink Mfg Co Ltd
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 Toyo Ink Mfg Co Ltd filed Critical Toyo Ink Mfg Co Ltd
Application granted granted Critical
Publication of DE69031771D1 publication Critical patent/DE69031771D1/de
Publication of DE69031771T2 publication Critical patent/DE69031771T2/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
    • H04N1/46—Colour picture communication systems
    • H04N1/52—Circuits or arrangements for halftone screening
    • 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
    • H04N1/4052—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 by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
DE1990631771 1989-09-20 1990-09-19 Farbbildinformationsverarbeitungsverfahren Expired - Fee Related DE69031771T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24473489 1989-09-20

Publications (2)

Publication Number Publication Date
DE69031771D1 true DE69031771D1 (de) 1998-01-15
DE69031771T2 DE69031771T2 (de) 1998-06-18

Family

ID=17123100

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990631771 Expired - Fee Related DE69031771T2 (de) 1989-09-20 1990-09-19 Farbbildinformationsverarbeitungsverfahren

Country Status (3)

Country Link
EP (1) EP0418844B1 (de)
JP (1) JP2821806B2 (de)
DE (1) DE69031771T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0476220A3 (en) * 1990-09-20 1993-01-27 Toyo Ink Mfg. Co., Ltd. Color image information processing method
US7468814B2 (en) * 2005-02-08 2008-12-23 Astro-Med, Inc. Algorithm for controlling half toning process
DE102009042374A1 (de) 2008-10-20 2010-04-22 Heidelberger Druckmaschinen Ag Verfahren zur digitalen Rasterung von Halbtonbildern
DE102009008775A1 (de) * 2009-02-12 2010-08-19 Heidelberger Druckmaschinen Ag Verfahren zur digitalen Rasterung eines Halbtonbildes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2827596C2 (de) * 1978-06-23 1984-11-22 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Anordnung zur Herstellung gerasterter Druckformen
JPH0197650A (ja) * 1987-10-09 1989-04-17 Canon Inc 画像処理方法
JP2603277B2 (ja) * 1987-11-16 1997-04-23 キヤノン株式会社 カラー画像処理装置
US4958218A (en) * 1987-12-16 1990-09-18 Canon Kabushiki Kaisha Image processing method and apparatus with dot-processing

Also Published As

Publication number Publication date
JPH03187572A (ja) 1991-08-15
EP0418844A2 (de) 1991-03-27
EP0418844B1 (de) 1997-12-03
DE69031771T2 (de) 1998-06-18
EP0418844A3 (en) 1992-11-25
JP2821806B2 (ja) 1998-11-05

Similar Documents

Publication Publication Date Title
DE68928928D1 (de) Farbbildverarbeitungsverfahren
DE69027173D1 (de) Farbbilddatenverarbeitungsvorrichtung
DE69330895T2 (de) Farbbildverarbeitungsverfahren
DE68926150D1 (de) Farbbildverarbeitungsgerät
DE69328656D1 (de) Bilddatenverarbeitung
DE68929336T2 (de) Farbbilderzeugungsgerät
DE69131119D1 (de) Farbbildverarbeitung
DE69022469D1 (de) Zitter-Bildverarbeitungsmethode.
DE69522594T2 (de) Farbbildverarbeitungsverfahren
DE69225574D1 (de) Farbbildverarbeitung
DE68929416D1 (de) Farbbildverarbeitungsgerät
DE69032589T2 (de) Farbbildverarbeitungsvorrichtung
DE69130135T2 (de) Bildanalyseverfahren
DE69133449D1 (de) Farbbildverarbeitungsgerät
DE69033844T2 (de) Bildverarbeitungseinrichtung
DE68924190D1 (de) Bildverarbeitungsmethode.
DE69027617D1 (de) Bilderinformations-Verarbeitungsanlage
DE69017529D1 (de) Bildinformation verarbeitende Vorrichtung.
DE68928779D1 (de) Verfahren zur Bildverarbeitung
DE69318930D1 (de) Bilddatenverarbeitung
DE68927752D1 (de) Farbbildlesegerät
DE69033920D1 (de) Bildherstellungsverfahren
DE69024609D1 (de) Farbbildaufzeichnungsverfahren und -gerät
DE68925174D1 (de) Farbbildverarbeitungsgerät
DE69023017D1 (de) Farbbildverarbeitungssystem.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8339 Ceased/non-payment of the annual fee