GB1534427A - Method of colour correction - Google Patents

Method of colour correction

Info

Publication number
GB1534427A
GB1534427A GB2965576A GB2965576A GB1534427A GB 1534427 A GB1534427 A GB 1534427A GB 2965576 A GB2965576 A GB 2965576A GB 2965576 A GB2965576 A GB 2965576A GB 1534427 A GB1534427 A GB 1534427A
Authority
GB
United Kingdom
Prior art keywords
colour
signals
circuit
variable
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
GB2965576A
Other languages
English (en)
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of GB1534427A publication Critical patent/GB1534427A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
GB2965576A 1975-07-17 1976-07-16 Method of colour correction Expired GB1534427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50087654A JPS5212001A (en) 1975-07-17 1975-07-17 Method of correcting color

Publications (1)

Publication Number Publication Date
GB1534427A true GB1534427A (en) 1978-12-06

Family

ID=13920936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2965576A Expired GB1534427A (en) 1975-07-17 1976-07-16 Method of colour correction

Country Status (3)

Country Link
JP (1) JPS5212001A (enExample)
DE (1) DE2632003A1 (enExample)
GB (1) GB1534427A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561016A (en) * 1982-06-04 1985-12-24 Dr. -Ing. Rudolf Hell Gmbh Method and apparatus for recording color pictures for multicolor printing

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2621008B2 (de) * 1976-05-12 1978-10-26 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Gewinnung und Verwertung von Farbkorrekturdaten für die Farbbildaufzeichnung
JPS53145620A (en) * 1977-05-25 1978-12-19 Fuji Photo Film Co Ltd Hue extractor
JPS53145621A (en) * 1977-05-25 1978-12-19 Fuji Photo Film Co Ltd Hue extractor
DE2725864C2 (de) * 1977-06-08 1982-07-01 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Farbkorrektureinheit für die Druckformherstellung
JPS54109126U (enExample) * 1978-01-19 1979-08-01
DE3313392A1 (de) * 1982-04-14 1983-10-20 Fuji Photo Film Co., Ltd., Minami Ashigara, Kanagawa Verfahren und vorrichtung zur digitalen farbkorrektur
JP2500923B2 (ja) * 1994-07-11 1996-05-29 株式会社東芝 カラ―画像変換方法
JPH07264429A (ja) * 1995-01-30 1995-10-13 Canon Inc 画像処理方法
JP2622239B2 (ja) * 1995-01-30 1997-06-18 キヤノン株式会社 画像処理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561016A (en) * 1982-06-04 1985-12-24 Dr. -Ing. Rudolf Hell Gmbh Method and apparatus for recording color pictures for multicolor printing

Also Published As

Publication number Publication date
DE2632003A1 (de) 1977-01-27
JPS5530221B2 (enExample) 1980-08-09
JPS5212001A (en) 1977-01-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930716