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 picturesInfo
- 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
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)
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)
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 |
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)
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 |
-
1978
- 1978-03-09 DE DE2810225A patent/DE2810225C2/en not_active Expired
-
1979
- 1979-02-02 CH CH101779A patent/CH640956A5/en not_active IP Right Cessation
- 1979-02-26 FR FR7904890A patent/FR2419534B1/en not_active Expired
- 1979-03-01 IL IL56771A patent/IL56771A/en unknown
- 1979-03-06 JP JP2518379A patent/JPS54127701A/en active Pending
- 1979-03-09 GB GB7908486A patent/GB2016238B/en not_active Expired
- 1979-03-09 NL NLAANVRAGE7901915,A patent/NL183060C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL183060B (en) | 1988-02-01 |
FR2419534B1 (en) | 1987-02-20 |
GB2016238A (en) | 1979-09-19 |
CH640956A5 (en) | 1984-01-31 |
NL183060C (en) | 1988-07-01 |
IL56771A0 (en) | 1979-05-31 |
NL7901915A (en) | 1979-09-11 |
DE2810225C2 (en) | 1982-04-22 |
GB2016238B (en) | 1982-07-14 |
DE2810225A1 (en) | 1979-09-13 |
FR2419534A1 (en) | 1979-10-05 |
JPS54127701A (en) | 1979-10-03 |
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