FR2516329B1 - Procede d'enregistrement electronique d'images en demi-teintes - Google Patents

Procede d'enregistrement electronique d'images en demi-teintes

Info

Publication number
FR2516329B1
FR2516329B1 FR8218576A FR8218576A FR2516329B1 FR 2516329 B1 FR2516329 B1 FR 2516329B1 FR 8218576 A FR8218576 A FR 8218576A FR 8218576 A FR8218576 A FR 8218576A FR 2516329 B1 FR2516329 B1 FR 2516329B1
Authority
FR
France
Prior art keywords
electronic recording
tone images
tone
images
recording
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
Application number
FR8218576A
Other languages
English (en)
French (fr)
Other versions
FR2516329A1 (fr
Inventor
Makoto Hirosawa
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing 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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of FR2516329A1 publication Critical patent/FR2516329A1/fr
Application granted granted Critical
Publication of FR2516329B1 publication Critical patent/FR2516329B1/fr
Expired 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
    • H04N1/4055—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
    • H04N1/4058—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 with details for producing a halftone screen at an oblique angle

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Color Image Communication Systems (AREA)
FR8218576A 1981-11-07 1982-11-05 Procede d'enregistrement electronique d'images en demi-teintes Expired FR2516329B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56178883A JPS5880639A (ja) 1981-11-07 1981-11-07 網目版画像の記録方法

Publications (2)

Publication Number Publication Date
FR2516329A1 FR2516329A1 (fr) 1983-05-13
FR2516329B1 true FR2516329B1 (fr) 1988-03-11

Family

ID=16056359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8218576A Expired FR2516329B1 (fr) 1981-11-07 1982-11-05 Procede d'enregistrement electronique d'images en demi-teintes

Country Status (4)

Country Link
JP (1) JPS5880639A (enrdf_load_stackoverflow)
DE (1) DE3240697C2 (enrdf_load_stackoverflow)
FR (1) FR2516329B1 (enrdf_load_stackoverflow)
GB (1) GB2111342B (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59129854A (ja) * 1983-01-18 1984-07-26 Dainippon Screen Mfg Co Ltd 画像走査記録時における光量補正方法
JPS61186077A (ja) * 1985-02-13 1986-08-19 Fuji Xerox Co Ltd 画像記録装置
GB8514608D0 (en) * 1985-06-10 1985-07-10 Crosfield Electronics Ltd Colour modification in image reproduction systems
JPH0683374B2 (ja) * 1986-02-14 1994-10-19 富士写真フイルム株式会社 網点画像の形成方法
AU605298B2 (en) * 1987-05-29 1991-01-10 Digital Equipment Corporation System for producing dithered images on asymmetric grids
JPH0769681B2 (ja) * 1987-07-08 1995-07-31 松下電器産業株式会社 網点処理装置
EP0711067A3 (en) * 1989-11-21 1996-07-10 Toyo Ink Mfg Co Method for forming density forms for reproducing binary gradations
GB9008318D0 (en) * 1990-04-12 1990-06-13 Crosfield Electronics Ltd Methods and apparatus for half-tone imaging
DE69123832T2 (de) * 1991-02-08 1997-07-24 Adobe Systems, Inc., Mountain View, Calif. 94039 Punktgrössesteuerverfahren bei digitaler Halbtonrasterung mit mehrzelliger Schwellenmatrix
JP2763992B2 (ja) * 1992-09-09 1998-06-11 大日本スクリーン製造株式会社 網点記録装置
US5291296A (en) * 1992-09-29 1994-03-01 Xerox Corporation Specific set of rotated screens for digital halftoning
EP0665673A3 (en) * 1994-02-01 1996-06-12 Dainippon Screen Mfg Method and apparatus for producing a halftone image using a threshold matrix.
JP2003087567A (ja) 2001-06-26 2003-03-20 Fujitsu Ltd 印刷方法および印刷装置並びに２値化ディザマトリクスパターン

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2012728C3 (de) * 1970-03-18 1974-09-19 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur elektrooptischen Aufzeichnung von gerasterten Halbtonbildern
GB1495499A (en) * 1974-01-30 1977-12-21 Crosfield Electronics Ltd Image reproduction systems
GB1523032A (en) * 1976-03-03 1978-08-31 Crosfield Electronics Ltd Image reproducing apparatus
DE2827596C2 (de) * 1978-06-23 1984-11-22 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Anordnung zur Herstellung gerasterter Druckformen
DE2903062A1 (de) * 1979-01-26 1980-08-07 Mohn Gmbh Reinhard Verfahren zur herstellung von rasterauszuegen

Also Published As

Publication number Publication date
JPS6236427B2 (enrdf_load_stackoverflow) 1987-08-06
FR2516329A1 (fr) 1983-05-13
DE3240697C2 (de) 1986-04-10
GB2111342B (en) 1985-08-21
DE3240697A1 (de) 1983-05-26
GB2111342A (en) 1983-06-29
JPS5880639A (ja) 1983-05-14

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Legal Events

Date Code Title Description
ST Notification of lapse