IT1057754B - 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 - Google Patents

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

Info

Publication number
IT1057754B
IT1057754B IT67636/76A IT6763676A IT1057754B IT 1057754 B IT1057754 B IT 1057754B IT 67636/76 A IT67636/76 A IT 67636/76A IT 6763676 A IT6763676 A IT 6763676A IT 1057754 B IT1057754 B IT 1057754B
Authority
IT
Italy
Prior art keywords
reproduction
dimension
transition
modification
procedure
Prior art date
Application number
IT67636/76A
Other languages
English (en)
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
Priority claimed from DE19752511922 external-priority patent/DE2511922C2/de
Application filed by Hell R Gmbh filed Critical Hell R Gmbh
Application granted granted Critical
Publication of IT1057754B publication Critical patent/IT1057754B/it

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
    • H04N1/40068—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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • H04N1/3935—Enlarging or reducing with modification of image resolution, i.e. determining the values of picture elements at new relative positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Editing Of Facsimile Originals (AREA)
IT67636/76A 1975-03-19 1976-03-17 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 IT1057754B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752511922 DE2511922C2 (de) 1975-03-19 Verfahren zur gerasterten Reproduktion von Halbtonbildern mit Änderung der bildpunktmäBigen Zerlegung beim Übergang von der Vorlage zur Reproduktion
DE19752541138 DE2541138C2 (de) 1975-09-16 Verfahren zum Aufzeichnen von Halbtonbildvorlagen mit geändertem Rastermaß

Publications (1)

Publication Number Publication Date
IT1057754B true IT1057754B (it) 1982-03-30

Family

ID=25768648

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67636/76A IT1057754B (it) 1975-03-19 1976-03-17 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

Country Status (5)

Country Link
US (1) US4075663A (it)
JP (1) JPS51120801A (it)
FR (1) FR2304945A1 (it)
GB (1) GB1542297A (it)
IT (1) IT1057754B (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037464B2 (ja) * 1976-07-20 1985-08-26 大日本スクリ−ン製造株式会社 倍率可変画像複製方法
DE2658502C3 (de) * 1976-12-23 1980-01-24 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur Herstellung gerasterter Druckformen
DE2720944A1 (de) * 1977-05-10 1978-11-16 Hell Rudolf Dr Ing Gmbh Verfahren und einrichtung zur herstellung von bildkombinationen
GB2038142B (en) * 1978-12-15 1982-11-24 Ibm Image data compression
US4318134A (en) * 1979-02-02 1982-03-02 Alden Research Foundation Recording graphic data of different transmission rates
US4394693A (en) * 1979-03-23 1983-07-19 International Business Machines Corporation System and method for generating enlarged or reduced images
US4422102A (en) * 1979-05-25 1983-12-20 Canon Kabushiki Kaisha Laser recording method and apparatus simultaneously scanning and reading out adjacent data
US4275450A (en) * 1979-08-01 1981-06-23 Xerox Corporation Magnification/demagnification apparatus and method
JPS5633769A (en) * 1979-08-28 1981-04-04 Dainippon Screen Mfg Co Ltd Control method for writing to buffer memory device
US4506301A (en) * 1979-10-12 1985-03-19 Xerox Corporation Multiple mode raster scanner
DE3002781A1 (de) * 1980-01-26 1981-07-30 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur verbesserten bildwiedergabe in der reproduktionstechnik
US4342052A (en) * 1980-06-16 1982-07-27 International Business Machines Corporation Multiple image facsimile
JPS57166773A (en) * 1981-04-07 1982-10-14 Dainippon Screen Mfg Co Ltd Reproducing method of picture scan
US4517638A (en) * 1982-06-16 1985-05-14 Crosfield Data Systems, Inc. Apparatus and method of microprocessor-controlling laser scanning of a material held by a transport, the loading and unloading of the transport also being microprocessor-controlled
EP0106918B1 (de) * 1982-10-22 1986-05-07 DR.-ING. RUDOLF HELL GmbH Verfahren und Einrichtung zur Herstellung von Farbauszügen für den Einzelfarbendruck
US4701808A (en) * 1983-11-01 1987-10-20 Canon Kabushiki Kaisha Image processing apparatus with variable magnification and gray level processing
NL8501844A (nl) * 1985-06-27 1987-01-16 Oce Nederland B V Patents And Werkwijze voor het vergroten/verkleinen van een ditherbeeld.
US5029017A (en) * 1986-10-08 1991-07-02 Konishiroku Photo Industry Co., Ltd. Image processing apparatus capable of enlarging/reducing apparatus
DE3634939A1 (de) * 1986-10-14 1988-04-28 Du Pont Deutschland Verfahren zum aufzeichnen von quasihalbtonbildern
DE3718521A1 (de) * 1987-06-03 1988-12-22 Du Pont Deutschland Verfahren zum aufzeichnen von quasihalbtonbildern und vorrichtung zur umwandlung von bildpunkt-tonwertdaten
CA1335794C (en) * 1988-04-07 1995-06-06 Yoshiyuki Okada Process and apparatus for image magnification
US5187594A (en) * 1990-02-09 1993-02-16 Graphic Edge, Inc. Method of creating and applying half tone screen patterns
ATE152310T1 (de) * 1990-11-21 1997-05-15 Polaroid Corp Druckverfahren
US5170261A (en) * 1990-11-21 1992-12-08 Polaroid Corporation Printing method
US5748195A (en) * 1992-10-29 1998-05-05 International Business Machines Corporation Method and means for evaluating a tetrahedral linear interpolation function
US5432892A (en) * 1992-11-25 1995-07-11 International Business Machines Corporation Volummetric linear interpolation
US5390035A (en) * 1992-12-23 1995-02-14 International Business Machines Corporation Method and means for tetrahedron/octahedron packing and tetrahedron extraction for function approximation
US5751926A (en) * 1992-12-23 1998-05-12 International Business Machines Corporation Function approximation using a centered cubic packing with tetragonal disphenoid extraction
JPH0686494U (ja) * 1993-05-31 1994-12-20 理研精工株式会社 シガレットケース
US6343152B1 (en) * 1994-10-18 2002-01-29 Peerless Systems Corporation Bi-level image compression by gray scale encoding
US6137494A (en) * 1995-08-18 2000-10-24 International Business Machines Corporation Method and means for evaluating a tetrahedral linear interpolation function
US5838838A (en) * 1996-07-19 1998-11-17 Hewlett-Packard Company Down-scaling technique for bi-level images
EP1044808B1 (de) 1999-04-14 2007-11-28 MDC Max Dätwyler Bleienbach AG Verfahren zur Erzeugung von Gravurdaten
US7794486B2 (en) * 2005-12-15 2010-09-14 Kimberly-Clark Worldwide, Inc. Therapeutic kit employing a thermal insert

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893166A (en) * 1972-01-05 1975-07-01 Crosfield Electronics Ltd Colour correcting image reproducing methods and apparatus
GB1379053A (en) * 1972-04-28 1975-01-02 Crosfield Electronics Ltd Colour scanners for image reproduction
GB1464445A (en) * 1973-02-19 1977-02-16 Mitsubishi Electric Corp Apparatus for making a printing master

Also Published As

Publication number Publication date
US4075663A (en) 1978-02-21
FR2304945A1 (fr) 1976-10-15
FR2304945B1 (it) 1980-07-25
JPS5533060B2 (it) 1980-08-28
JPS51120801A (en) 1976-10-22
GB1542297A (en) 1979-03-14

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