ES450078A1 - Method of digital colour correction for use in reproducingcoloured pictures - Google Patents

Method of digital colour correction for use in reproducingcoloured pictures

Info

Publication number
ES450078A1
ES450078A1 ES450078A ES450078A ES450078A1 ES 450078 A1 ES450078 A1 ES 450078A1 ES 450078 A ES450078 A ES 450078A ES 450078 A ES450078 A ES 450078A ES 450078 A1 ES450078 A1 ES 450078A1
Authority
ES
Spain
Prior art keywords
color
values
reproduction
color correction
sample
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES450078A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Ing Rudolf Hell GmbH
Original Assignee
Dr Ing Rudolf Hell 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 Dr Ing Rudolf Hell GmbH filed Critical Dr Ing Rudolf Hell GmbH
Publication of ES450078A1 publication Critical patent/ES450078A1/en
Expired legal-status Critical Current

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
    • H04N1/6019—Conversion to subtractive colour signals using look-up tables
    • 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
    • H04N1/6011—Colour correction or control with simulation on a subsidiary picture reproducer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/11—Scanning of colour motion picture films, e.g. for telecine

Abstract

Procedure for digital color correction in the color image register, in which a sample in the reproduction is palpated trichromatically, the obtained color measurement values are digitized, they are applied to a store containing the corrected values of heat dosage, they are replaced by the color dosing values and are issued for the registration unit, characterized in that before the reproduction a first color correction is carried out by trichromatic probing of the sample and adjustment of a color correction calculator, because after the first color correction is delivered by a succession of signal values at the input of the color computer, which is representative for the color space used in the reproduction and because the output signals of the color computer are entered into the buffer as values of dosage of value. (Machine-translation by Google Translate, not legally binding)
ES450078A 1976-05-12 1976-07-23 Method of digital colour correction for use in reproducingcoloured pictures Expired ES450078A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2621008A DE2621008B2 (en) 1976-05-12 1976-05-12 Process for obtaining and utilizing color correction data for color image recording

Publications (1)

Publication Number Publication Date
ES450078A1 true ES450078A1 (en) 1977-07-16

Family

ID=5977747

Family Applications (1)

Application Number Title Priority Date Filing Date
ES450078A Expired ES450078A1 (en) 1976-05-12 1976-07-23 Method of digital colour correction for use in reproducingcoloured pictures

Country Status (10)

Country Link
JP (1) JPS52139502A (en)
CA (1) CA1082109A (en)
CH (1) CH601841A5 (en)
DE (1) DE2621008B2 (en)
ES (1) ES450078A1 (en)
FR (1) FR2351437A1 (en)
GB (1) GB1541554A (en)
IT (1) IT1092902B (en)
NL (1) NL171384C (en)
SE (1) SE422250B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492802A (en) * 1977-12-31 1979-07-23 Yamatoya Shokai Photographic makeup method
JPS5497101A (en) * 1978-01-14 1979-08-01 Yamatoya Shokai Machine for phototype process
DE2810225C2 (en) * 1978-03-09 1982-04-22 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Acquisition and utilization of color correction data for color image recording
DE2848376C2 (en) * 1978-11-08 1983-12-15 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Device for post-correction of standard color corrections in color image recording
JPS5579448A (en) * 1978-12-11 1980-06-14 Dainippon Screen Mfg Co Ltd Color separation simulation system
JPS55157741A (en) * 1979-05-29 1980-12-08 Dainippon Screen Mfg Co Ltd Information making and recording apparatus for adjusting color scanner
JPS56121171A (en) * 1980-02-27 1981-09-22 Dainippon Screen Mfg Co Ltd Input device for set item data in picture scanning recorder and filing method for said set item data
EP0090596B1 (en) * 1982-03-30 1986-06-25 Crosfield Electronics Limited Video retouching systems
ATE14944T1 (en) * 1982-05-29 1985-08-15 Hell Rudolf Dr Ing Gmbh PROCESS FOR TONE DEPENDENT COLOR REMOVAL IN FOUR-COLOR PRINTING.
JPS58211154A (en) * 1982-06-01 1983-12-08 Dainippon Screen Mfg Co Ltd Method and device for picture scanning and recording with retouching function
EP0123701B1 (en) * 1983-04-27 1987-07-08 DR.-ING. RUDOLF HELL GmbH Colour picture manufacturing method and apparatus
DE3347049C2 (en) * 1983-12-24 1986-07-17 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method and circuit arrangement for simulating multicolor printing on a color monitor
JPS6120042A (en) * 1984-07-06 1986-01-28 Dainippon Screen Mfg Co Ltd Method and device for image scan recording

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5212001A (en) * 1975-07-17 1977-01-29 Dainippon Screen Mfg Method of correcting color

Also Published As

Publication number Publication date
DE2621008A1 (en) 1977-11-17
IT1092902B (en) 1985-07-12
DE2621008B2 (en) 1978-10-26
NL171384B (en) 1982-10-18
JPS52139502A (en) 1977-11-21
NL171384C (en) 1983-03-16
SE7607125L (en) 1977-11-13
SE422250B (en) 1982-02-22
NL7607651A (en) 1977-11-15
CA1082109A (en) 1980-07-22
JPS5614974B2 (en) 1981-04-07
CH601841A5 (en) 1978-07-14
FR2351437B1 (en) 1983-05-27
GB1541554A (en) 1979-03-07
FR2351437A1 (en) 1977-12-09

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