NL183060B - METHOD FOR DIGITAL COLOR CORRECTION IN REPRODUCTING HALF IMAGES. - Google Patents

METHOD FOR DIGITAL COLOR CORRECTION IN REPRODUCTING HALF IMAGES.

Info

Publication number
NL183060B
NL183060B NLAANVRAGE7901915,A NL7901915A NL183060B NL 183060 B NL183060 B NL 183060B NL 7901915 A NL7901915 A NL 7901915A NL 183060 B NL183060 B NL 183060B
Authority
NL
Netherlands
Prior art keywords
reproducting
color correction
digital color
half images
images
Prior art date
Application number
NLAANVRAGE7901915,A
Other languages
Dutch (nl)
Other versions
NL7901915A (en
NL183060C (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 NL7901915A publication Critical patent/NL7901915A/en
Publication of NL183060B publication Critical patent/NL183060B/en
Application granted granted Critical
Publication of NL183060C publication Critical patent/NL183060C/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)
NLAANVRAGE7901915,A 1978-03-09 1979-03-09 METHOD FOR DIGITAL COLOR CORRECTION IN REPRODUCTING HALF IMAGES. NL183060C (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 (3)

Publication Number Publication Date
NL7901915A NL7901915A (en) 1979-09-11
NL183060B true NL183060B (en) 1988-02-01
NL183060C NL183060C (en) 1988-07-01

Family

ID=6033985

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7901915,A NL183060C (en) 1978-03-09 1979-03-09 METHOD FOR DIGITAL COLOR CORRECTION IN REPRODUCTING HALF IMAGES.

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
DE3220298A1 (en) * 1981-06-01 1982-12-16 Canon K.K., Tokyo COLOR IMAGE READER
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
US5191361A (en) * 1983-03-08 1993-03-02 Canon Kabushiki Kaisha Image reproducing system
DE3408336A1 (en) * 1983-03-08 1984-09-13 Canon K.K., Tokio/Tokyo IMAGE REPRODUCTION 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
US3893166A (en) * 1972-01-05 1975-07-01 Crosfield Electronics Ltd Colour correcting image reproducing methods and apparatus
GB1369702A (en) * 1972-01-05 1974-10-09 Crosfield Electronics Ltd 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
DE2810225A1 (en) 1979-09-13
JPS54127701A (en) 1979-10-03
FR2419534A1 (en) 1979-10-05
GB2016238B (en) 1982-07-14
DE2810225C2 (en) 1982-04-22
NL7901915A (en) 1979-09-11
NL183060C (en) 1988-07-01
IL56771A0 (en) 1979-05-31
GB2016238A (en) 1979-09-19
CH640956A5 (en) 1984-01-31
FR2419534B1 (en) 1987-02-20
IL56771A (en) 1982-12-31

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Legal Events

Date Code Title Description
BT A notification was added to the application dossier and made available to the public
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V2 Lapsed due to non-payment of the last due maintenance fee for the patent application