CA1111130A - Circuit arrangement for recognizing and adjusting color components - Google Patents

Circuit arrangement for recognizing and adjusting color components

Info

Publication number
CA1111130A
CA1111130A CA281,151A CA281151A CA1111130A CA 1111130 A CA1111130 A CA 1111130A CA 281151 A CA281151 A CA 281151A CA 1111130 A CA1111130 A CA 1111130A
Authority
CA
Canada
Prior art keywords
color
signals
signal
stages
color correction
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
CA281,151A
Other languages
English (en)
French (fr)
Inventor
Hans G. Knop
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
Application granted granted Critical
Publication of CA1111130A publication Critical patent/CA1111130A/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
    • H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only
    • H04N1/628—Memory colours, e.g. skin or sky
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
    • 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
    • H04N1/54—Conversion of colour picture signals to a plurality of signals some of which represent particular mixed colours, e.g. for textile printing
    • 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
    • H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/462—Computing operations in or between colour spaces; Colour management systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • G01J3/513—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Textile Engineering (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Spectrometry And Color Measurement (AREA)
CA281,151A 1976-06-23 1977-06-22 Circuit arrangement for recognizing and adjusting color components Expired CA1111130A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2628053.5 1976-06-23
DE2628053A DE2628053C2 (de) 1976-06-23 1976-06-23 Schaltungsanordnung zum Erkennen von Farben

Publications (1)

Publication Number Publication Date
CA1111130A true CA1111130A (en) 1981-10-20

Family

ID=5981201

Family Applications (1)

Application Number Title Priority Date Filing Date
CA281,151A Expired CA1111130A (en) 1976-06-23 1977-06-22 Circuit arrangement for recognizing and adjusting color components

Country Status (9)

Country Link
US (1) US4194839A (enExample)
JP (1) JPS6024938B2 (enExample)
CA (1) CA1111130A (enExample)
CH (1) CH615751A5 (enExample)
DE (1) DE2628053C2 (enExample)
FR (1) FR2356131A1 (enExample)
GB (1) GB1522950A (enExample)
IL (1) IL52304A (enExample)
IT (1) IT1084565B (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289405A (en) * 1978-10-13 1981-09-15 Tobias Philip E Color monitoring system for use in creating colored displays
CH646788A5 (de) * 1978-11-28 1984-12-14 Hell Rudolf Dr Ing Gmbh Verfahren und schaltungsanordnung zum erkennen von farben.
DE2853509C2 (de) * 1978-12-12 1983-02-03 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur Herstellung von Farbauszügen
DE2853511C2 (de) * 1978-12-12 1981-11-19 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Vorrichtung zur Herstellung von Farbauszügen insbesondere für den Textildruck
DE2853510C2 (de) * 1978-12-12 1982-06-09 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur Herstellung von Farbauszügen insbesondere für den Textildruck
JPS5660439A (en) * 1979-10-22 1981-05-25 Dainippon Screen Mfg Co Ltd Color separation method
USRE32544E (en) * 1982-09-13 1987-11-10 Dubner Computer Systems, Inc. Selective color modification
DE3271077D1 (en) * 1982-10-22 1986-06-12 Hell Rudolf Dr Ing Gmbh Method and apparatus for producing colour extractions for separate colour printing
NZ202895A (en) * 1982-12-22 1987-09-30 Univ Auckland Color discriminator
JPS59206839A (ja) * 1983-05-10 1984-11-22 Toppan Printing Co Ltd 網点面積率入力装置
ATE27865T1 (de) * 1983-12-14 1987-07-15 Hell Rudolf Dr Ing Gmbh Verfahren und einrichtung zur herstellung von farbauszuegen fuer den einzelfarbendruck.
EP0144461B1 (de) 1983-12-14 1987-05-20 DR.-ING. RUDOLF HELL GmbH Verfahren und Schaltungsanordnung zum Erkennen von Farbtönen und Farben
ATE29816T1 (de) * 1983-12-14 1987-10-15 Hell Rudolf Dr Ing Gmbh Verfahren und schaltungsanordnung zur selektiven korrektur von farbtoenen und farben.
EP0144462B1 (de) * 1983-12-14 1987-11-04 DR.-ING. RUDOLF HELL GmbH Verfahren und Einrichtung zur Herstellung von Farbauszügen für den Einzelfarbendruck
US4694329A (en) * 1984-04-09 1987-09-15 Corporate Communications Consultants, Inc. Color correction system and method with scene-change detection
US4679067A (en) * 1984-04-09 1987-07-07 Corporate Communications Consultants, Inc. Color correction system and method with localized color sampling
EP0294497B1 (en) * 1987-06-08 1993-03-31 Nec Corporation Apparatus for identifying postage stamps
US5515182A (en) * 1992-08-31 1996-05-07 Howtek, Inc. Rotary scanner
WO1994025838A1 (en) * 1993-04-29 1994-11-10 Centre De Recherche Industrielle Du Quebec Method and apparatus for sensing the color of articles and for classification thereof
US5406067A (en) * 1993-08-17 1995-04-11 Tektronix, Inc. Electrically adjusted mosaic filter for use as an optical sensor in an optical measurement instrument
US5911003A (en) * 1996-04-26 1999-06-08 Pressco Technology Inc. Color pattern evaluation system for randomly oriented articles

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894058A (en) * 1955-02-01 1959-07-07 Rca Corp Registration system
DE1797049U (de) 1958-05-31 1959-10-01 Raffaele Giordani S N C Speichenrad.
US3210552A (en) * 1960-12-02 1965-10-05 Outlook Engineering Corp Apparatus for indicating presence of predetermined color in sample
CH440976A (de) * 1965-07-21 1967-07-31 Hell Rudolf Dr Ing Fa Verfahren zur elektronischen Herstellung korrigierter Farbauszüge durch photoelektrische Abtastung von zu reproduzierenden farbigen Bildvorlagen
US3529078A (en) 1966-02-16 1970-09-15 Yoshio Murata Optical scanning system for transfer of selected color patterns
JPS5028123B1 (enExample) * 1968-11-15 1975-09-12
GB1294191A (en) 1970-01-28 1972-10-25 Crosfield Electronics Ltd Improvements relating to apparatus for reproducing coloured images
US3737239A (en) * 1971-07-16 1973-06-05 Hoffmann La Roche Machine color recognition
JPS5939687B2 (ja) * 1973-07-06 1984-09-26 工業技術院長 光のスペクトラム分布を用いた柄出しのための色分解法および装置

Also Published As

Publication number Publication date
IL52304A (en) 1979-03-12
DE2628053B1 (de) 1977-10-13
GB1522950A (en) 1978-08-31
JPS532101A (en) 1978-01-10
DE2628053C2 (de) 1978-06-15
US4194839A (en) 1980-03-25
FR2356131A1 (fr) 1978-01-20
JPS6024938B2 (ja) 1985-06-15
IT1084565B (it) 1985-05-25
IL52304A0 (en) 1977-08-31
CH615751A5 (enExample) 1980-02-15
FR2356131B1 (enExample) 1982-12-31

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Legal Events

Date Code Title Description
MKEX Expiry