CS238392B2 - Image reproduction method in reproduction engineering - Google Patents

Image reproduction method in reproduction engineering Download PDF

Info

Publication number
CS238392B2
CS238392B2 CS836123A CS612383A CS238392B2 CS 238392 B2 CS238392 B2 CS 238392B2 CS 836123 A CS836123 A CS 836123A CS 612383 A CS612383 A CS 612383A CS 238392 B2 CS238392 B2 CS 238392B2
Authority
CS
Czechoslovakia
Prior art keywords
information
line
recording
register
dot
Prior art date
Application number
CS836123A
Other languages
Czech (cs)
English (en)
Inventor
Klaus Wellendorf
Original Assignee
Hell Rudolf Dr Ing 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 Rudolf Dr Ing Gmbh filed Critical Hell Rudolf Dr Ing Gmbh
Publication of CS238392B2 publication Critical patent/CS238392B2/cs

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)
CS836123A 1980-01-26 1981-01-12 Image reproduction method in reproduction engineering CS238392B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803002781 DE3002781A1 (de) 1980-01-26 1980-01-26 Verfahren zur verbesserten bildwiedergabe in der reproduktionstechnik

Publications (1)

Publication Number Publication Date
CS238392B2 true CS238392B2 (en) 1985-11-13

Family

ID=6092993

Family Applications (2)

Application Number Title Priority Date Filing Date
CS836123A CS238392B2 (en) 1980-01-26 1981-01-12 Image reproduction method in reproduction engineering
CS81231A CS233717B2 (en) 1980-01-26 1981-01-12 Method of improved reproduction of images

Family Applications After (1)

Application Number Title Priority Date Filing Date
CS81231A CS233717B2 (en) 1980-01-26 1981-01-12 Method of improved reproduction of images

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) CS238392B2 (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
DE3609252A1 (de) * 1985-03-20 1986-10-02 Canon K.K., Tokio/Tokyo Verfahren und vorrichtung zur bildreproduktion
US4742399A (en) * 1985-11-01 1988-05-03 Dainippon Screen Mfg. Co., Ltd. Method of and apparatus for generating high-resolution bilevel image data
EP0241569B1 (de) * 1986-04-15 1990-12-05 Maurer Electronics Gmbh Bildwiedergabesystem zur Erzeugung eines digitalen Bildes
US4739416A (en) * 1986-09-15 1988-04-19 Matrix Instruments Inc. Digital image reproduction
US4725891A (en) * 1986-09-15 1988-02-16 Matrix Instruments Inc. Film image digitizer
DE68927970T2 (de) * 1988-09-08 1997-10-09 Canon Kk Punktbilddatenausgabegerät
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
WO1995033330A1 (en) * 1994-05-27 1995-12-07 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
US4075663A (en) * 1975-03-19 1978-02-21 Dr. -Ing. Rudolf Hell Gmbh Method for the rastered reproduction of half-tone pictures providing changes in the individual picture elements during transfer from an original to a reproduction
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
US4150400A (en) * 1977-03-31 1979-04-17 International Business Machines Corporation Methods of a coarse-scan/fine-print character reproduction with compression
FR2386213A1 (fr) * 1977-03-31 1978-10-27 Ibm Procede de reproduction a resolution fine a partir d'un balayage a resolution grossiere
US4124870A (en) * 1977-03-31 1978-11-07 International Business Machines Corporation Method for improving print quality of coarse-scan/fine-print character reproduction
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
DE3002781A1 (de) 1981-07-30
EP0033106A1 (de) 1981-08-05
EP0033106B1 (de) 1984-08-22
DD160128A5 (de) 1983-05-04
JPS57500172A (enExample) 1982-01-28
CA1171963A (en) 1984-07-31
WO1981002206A1 (fr) 1981-08-06
BR8106436A (pt) 1981-12-01
US4419691A (en) 1983-12-06

Similar Documents

Publication Publication Date Title
CS238392B2 (en) Image reproduction method in reproduction engineering
CA2052011C (en) Edge enhancement method and apparatus for dot matrix devices
US4499489A (en) Production of screen printing blocks
US5396584A (en) Multi-bit image edge enhancement method and apparatus
US4468706A (en) Imaging by varying the placement of elements in the pixels
US5696845A (en) Method for design and implementation of an image resolution enhancement system that employs statistically generated look-up tables
JPS60118840A (ja) 網点化された版の製造方法および装置
JPH0335867B2 (enExample)
JP2598723B2 (ja) 網点画像作成装置
US5140431A (en) Digital electronic system for halftone printing
JPH07177355A (ja) 放電領域現像部分の改良方法
SU1098529A3 (ru) Способ воспроизведени штриховых элементов при электронной репродукции
EP0342853A1 (en) Electronic print dot generation
US5581292A (en) Method and apparatus for enhancing charged area developed regions in a tri-level printing system
US4566042A (en) Electrophotographic imaging apparatus by variably placing pixel elements
US6678426B1 (en) Programmable mapping of lower resolution digital data to a higher resolution for output on a lower resolution device
JP2000198233A (ja) 電子写真装置及び方法
US5764271A (en) Multi-mode printing circuitry providing ROS printing correction
GB1588743A (en) Methods of obtaining digital reproduction data for screening colour separations
US5526143A (en) Apparatus and technique for generating a screened reproduction of an image
JP3942763B2 (ja) ラスタ画像データのレンダリング方法
JP3777414B2 (ja) 混成ハーフトーンスクリーン生成法
US5740331A (en) System and process for converting image information
US6847469B1 (en) Image processing apparatus for removing an isolated point
JP3018096B2 (ja) 網点閾値発生方法