BR8106436A - Processo para reproducao aperfeicoada de imagens na technica de reproducao - Google Patents

Processo para reproducao aperfeicoada de imagens na technica de reproducao

Info

Publication number
BR8106436A
BR8106436A BR8106436A BR8106436A BR8106436A BR 8106436 A BR8106436 A BR 8106436A BR 8106436 A BR8106436 A BR 8106436A BR 8106436 A BR8106436 A BR 8106436A BR 8106436 A BR8106436 A BR 8106436A
Authority
BR
Brazil
Prior art keywords
reproduction
improved image
technique
image reproduction
reproduction technique
Prior art date
Application number
BR8106436A
Other languages
English (en)
Portuguese (pt)
Inventor
G Sing
K Wellendorf
Original Assignee
Hell R Gmbh
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 Hell R Gmbh filed Critical Hell R Gmbh
Publication of BR8106436A publication Critical patent/BR8106436A/pt

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
    • H04N1/4055—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
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/3871—Composing, repositioning or otherwise geometrically modifying originals the composed originals being of different kinds, e.g. low- and high-resolution originals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
BR8106436A 1980-01-26 1981-01-17 Processo para reproducao aperfeicoada de imagens na technica de reproducao BR8106436A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803002781 DE3002781A1 (de) 1980-01-26 1980-01-26 Verfahren zur verbesserten bildwiedergabe in der reproduktionstechnik
PCT/DE1981/000016 WO1981002206A1 (fr) 1980-01-26 1981-01-17 Procede pour obtenir une meilleure restitution d'images dans la technique de reproduction

Publications (1)

Publication Number Publication Date
BR8106436A true BR8106436A (pt) 1981-12-01

Family

ID=6092993

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8106436A BR8106436A (pt) 1980-01-26 1981-01-17 Processo para reproducao aperfeicoada de imagens na technica de reproducao

Country Status (9)

Country Link
US (1) US4419691A (enExample)
EP (1) EP0033106B1 (enExample)
JP (1) JPS57500172A (enExample)
BR (1) BR8106436A (enExample)
CA (1) CA1171963A (enExample)
CS (2) CS233717B2 (enExample)
DD (1) DD160128A5 (enExample)
DE (1) DE3002781A1 (enExample)
WO (1) WO1981002206A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816237A (ja) * 1981-07-22 1983-01-29 Dainippon Screen Mfg Co Ltd 画像走査記録方法
JPS5961277A (ja) * 1982-09-29 1984-04-07 Toshiba Corp 印刷装置
JPS5964846A (ja) * 1982-10-05 1984-04-12 Dainippon Screen Mfg Co Ltd 絵柄と線画の同時記録方法
US4532503A (en) * 1982-11-08 1985-07-30 International Business Machines Corporation Sequence controlled pixel configuration
US4533941A (en) * 1983-01-14 1985-08-06 Coulter Systems Corporation Method and apparatus for half-tone reproduction of a varying tone original image
US4504141A (en) * 1983-07-07 1985-03-12 Noby Yamakoshi System for making matched backgrounds
GB8330869D0 (en) * 1983-11-18 1983-12-29 Centurfax Ltd Page make-up system
US4733304A (en) * 1984-10-11 1988-03-22 Dai Nippon Insatsu Kabushiki Kaisha Method of processing picture data for printing process and device implementing the same
FR2587572B1 (fr) * 1985-03-20 1994-02-18 Canon Kk Appareil et procede de traitement d'images
US4742399A (en) * 1985-11-01 1988-05-03 Dainippon Screen Mfg. Co., Ltd. Method of and apparatus for generating high-resolution bilevel image data
DE3676085D1 (de) * 1986-04-15 1991-01-17 Maurer Electronics Gmbh Bildwiedergabesystem zur erzeugung eines digitalen bildes.
US4725891A (en) * 1986-09-15 1988-02-16 Matrix Instruments Inc. Film image digitizer
US4739416A (en) * 1986-09-15 1988-04-19 Matrix Instruments Inc. Digital image reproduction
EP0359463B1 (en) * 1988-09-08 1997-04-16 Canon Kabushiki Kaisha Dot image data output apparatus
US5382967A (en) * 1990-06-11 1995-01-17 Xerox Corporation Continuously tunable raster resolution printing
IL98700A (en) * 1990-07-13 1994-04-12 Minnesota Mining & Mfg A method and device for building a composite figure from several data types
AU2653795A (en) * 1994-05-27 1995-12-21 Lasermaster Corporation Technique for rendering images on a binary marking engine
US5659634A (en) * 1994-09-29 1997-08-19 Xerox Corporation Apparatus and method for encoding and reconstructing image data
JP3542685B2 (ja) * 1995-06-27 2004-07-14 セイコーエプソン株式会社 マルチトーンをもつバイナリ画像の圧縮及び復元のための装置及び方法
US6608800B2 (en) * 1998-09-30 2003-08-19 Howard Hong-Dough Lee Optical data-storage apparatus employing optical media with three-dimensional data pattern

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2262824C3 (de) * 1972-12-22 1975-07-10 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur gerasterten Reproduktion farbiger Halbtonbilder im Ein- oder Mehrfarbendruck
US3849592A (en) * 1973-02-05 1974-11-19 Litton Systems Inc Graphic data redundancy reduction for text and half-tone optical facsimile system
IT1057754B (it) * 1975-03-19 1982-03-30 Hell R Gmbh Procedimento e dispositivo per la riproduzione di immagini a mezza tinta con modifica della misura di scomposizione dei punti d immagine nel passaggio da modello a riproduzione
JPS5233523A (en) * 1975-09-08 1977-03-14 Photo Composing Mach Mfg Co Ltd Photocomposer and process for the manufacture of printing type
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
FR2386213A1 (fr) * 1977-03-31 1978-10-27 Ibm Procede de reproduction a resolution fine a partir d'un balayage a resolution grossiere
US4150400A (en) * 1977-03-31 1979-04-17 International Business Machines Corporation Methods of a coarse-scan/fine-print character reproduction with compression
DE2813821C2 (de) * 1978-03-31 1987-02-19 Grünzweig + Hartmann Montage GmbH, 6700 Ludwigshafen Ebenwandiger, großen zeitlichen Temperaturgradienten ausgesetzter Fortleitungskanal aus Metallblechtafeln
DE2834456C2 (de) * 1978-08-05 1986-01-09 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur gemischten Aufzeichnung von Rasterbildern und Strichinformationen
JPS5830573A (ja) * 1981-08-18 1983-02-23 Nakagawa Denka Sangyo Kk タイマ−

Also Published As

Publication number Publication date
CS233717B2 (en) 1985-03-14
US4419691A (en) 1983-12-06
WO1981002206A1 (fr) 1981-08-06
DD160128A5 (de) 1983-05-04
EP0033106A1 (de) 1981-08-05
CA1171963A (en) 1984-07-31
DE3002781A1 (de) 1981-07-30
EP0033106B1 (de) 1984-08-22
CS238392B2 (en) 1985-11-13
JPS57500172A (enExample) 1982-01-28

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