IL56771A - Method for obtaining colour correction data for the reproduction of coloured pictures - Google Patents

Method for obtaining colour correction data for the reproduction of coloured pictures

Info

Publication number
IL56771A
IL56771A IL56771A IL5677179A IL56771A IL 56771 A IL56771 A IL 56771A IL 56771 A IL56771 A IL 56771A IL 5677179 A IL5677179 A IL 5677179A IL 56771 A IL56771 A IL 56771A
Authority
IL
Israel
Prior art keywords
reproduction
correction data
colour correction
obtaining colour
coloured pictures
Prior art date
Application number
IL56771A
Other versions
IL56771A0 (en
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 IL56771A0 publication Critical patent/IL56771A0/en
Publication of IL56771A publication Critical patent/IL56771A/en

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
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
    • H04N1/6025—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking using look-up tables

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
IL56771A 1978-03-09 1979-03-01 Method for obtaining colour correction data for the reproduction of coloured pictures IL56771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2810225A DE2810225C2 (en) 1978-03-09 1978-03-09 Acquisition and utilization of color correction data for color image recording

Publications (2)

Publication Number Publication Date
IL56771A0 IL56771A0 (en) 1979-05-31
IL56771A true IL56771A (en) 1982-12-31

Family

ID=6033985

Family Applications (1)

Application Number Title Priority Date Filing Date
IL56771A IL56771A (en) 1978-03-09 1979-03-01 Method for obtaining colour correction data for the reproduction of coloured pictures

Country Status (7)

Country Link
JP (1) JPS54127701A (en)
CH (1) CH640956A5 (en)
DE (1) DE2810225C2 (en)
FR (1) FR2419534B1 (en)
GB (1) GB2016238B (en)
IL (1) IL56771A (en)
NL (1) NL183060C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5694228A (en) * 1979-12-28 1981-07-30 Dainippon Screen Mfg Co Ltd Color separation simulation device
DE3109190C2 (en) * 1981-03-11 1985-07-11 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Process for the reproduction of colored originals in four-color printing with color removal
FR2507037B1 (en) * 1981-06-01 1989-06-09 Canon Kk COLOR IMAGE READING APPARATUS
US4533928A (en) * 1982-04-30 1985-08-06 Canon Kabushiki Kaisha Color image processing apparatus
JPS5952968A (en) * 1982-09-20 1984-03-27 Sony Corp Device for printing colored document and picture
DE3408336A1 (en) * 1983-03-08 1984-09-13 Canon K.K., Tokio/Tokyo IMAGE REPRODUCTION SYSTEM
US5191361A (en) * 1983-03-08 1993-03-02 Canon Kabushiki Kaisha Image reproducing system
JPS59206839A (en) * 1983-05-10 1984-11-22 Toppan Printing Co Ltd Device for inputting dot area per cent
GB8531316D0 (en) * 1985-12-19 1986-01-29 Crosfield Electronics Ltd Image reproduction
DE3629195A1 (en) * 1986-01-14 1987-07-23 Canon Kk COLOR IMAGE PROCESSING DEVICE
US6301025B1 (en) * 1994-06-24 2001-10-09 Mgi Software Corporation Method for performing a color space transformation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1597771C3 (en) * 1967-07-22 1978-09-07 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Process for the production of corrected color separation signals and color separations
US3612753A (en) * 1969-04-23 1971-10-12 Ventures Res & Dev Self-adaptive system for the reproduction of color
GB1369702A (en) * 1972-01-05 1974-10-09 Crosfield Electronics Ltd Image reproducing methods and apparatus
US3893166A (en) * 1972-01-05 1975-07-01 Crosfield Electronics Ltd Colour correcting image reproducing methods and apparatus
JPS5224701A (en) * 1975-08-20 1977-02-24 Dainippon Screen Mfg Method of correcting color of image signal
DE2621008B2 (en) * 1976-05-12 1978-10-26 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Process for obtaining and utilizing color correction data for color image recording

Also Published As

Publication number Publication date
GB2016238A (en) 1979-09-19
NL183060C (en) 1988-07-01
GB2016238B (en) 1982-07-14
CH640956A5 (en) 1984-01-31
IL56771A0 (en) 1979-05-31
DE2810225A1 (en) 1979-09-13
JPS54127701A (en) 1979-10-03
DE2810225C2 (en) 1982-04-22
NL7901915A (en) 1979-09-11
FR2419534A1 (en) 1979-10-05
NL183060B (en) 1988-02-01
FR2419534B1 (en) 1987-02-20

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