DE3578869D1 - Farberhoehung. - Google Patents

Farberhoehung.

Info

Publication number
DE3578869D1
DE3578869D1 DE8585306218T DE3578869T DE3578869D1 DE 3578869 D1 DE3578869 D1 DE 3578869D1 DE 8585306218 T DE8585306218 T DE 8585306218T DE 3578869 T DE3578869 T DE 3578869T DE 3578869 D1 DE3578869 D1 DE 3578869D1
Authority
DE
Germany
Prior art keywords
color enhancement
enhancement
color
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 - Lifetime
Application number
DE8585306218T
Other languages
English (en)
Inventor
Anthony John Johnson
Paul Edward Franklin
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.)
FFEI Ltd
Original Assignee
Crosfield Electronics 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 Crosfield Electronics Ltd filed Critical Crosfield Electronics Ltd
Application granted granted Critical
Publication of DE3578869D1 publication Critical patent/DE3578869D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N1/6027—Correction or control of colour gradation or colour contrast

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Controls And Circuits For Display Device (AREA)
DE8585306218T 1984-09-12 1985-09-02 Farberhoehung. Expired - Lifetime DE3578869D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848422988A GB8422988D0 (en) 1984-09-12 1984-09-12 Colour enhancement

Publications (1)

Publication Number Publication Date
DE3578869D1 true DE3578869D1 (de) 1990-08-30

Family

ID=10566593

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585306218T Expired - Lifetime DE3578869D1 (de) 1984-09-12 1985-09-02 Farberhoehung.

Country Status (5)

Country Link
US (1) US4647963A (de)
EP (1) EP0181063B1 (de)
JP (1) JPS6184162A (de)
DE (1) DE3578869D1 (de)
GB (1) GB8422988D0 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4758885A (en) * 1985-06-17 1988-07-19 Canon Kabushiki Kaisha Method of processing color image
US4864391A (en) * 1986-05-09 1989-09-05 Canon Kabushiki Kaisha Image processing apparatus for color correcting an image which can monitor the result of the color correction
GB8622564D0 (en) * 1986-09-19 1986-10-22 Crosfield Electronics Ltd Reproduction of coloured images
FR2633746A1 (fr) * 1988-07-01 1990-01-05 Labo Electronique Physique Methode numerique de modification d'image et systeme de mise en oeuvre
JP3057255B2 (ja) * 1989-08-15 2000-06-26 ソニー株式会社 画像処理装置及び画像処理方法
US5196927A (en) * 1990-03-16 1993-03-23 E. I. Du Pont De Nemours And Company Method for electronic color processing
US5295003A (en) * 1991-03-13 1994-03-15 Lee Aldric K Color conversion system for monochromatic optical scanner
IL115026A (en) * 1995-08-21 2001-03-19 Scitex Corp Ltd A method for matching object colors to print colors
US6025826A (en) * 1997-06-30 2000-02-15 Sun Microsystems, Inc. Method and apparatus for handling alpha premultiplication of image data
US6721000B1 (en) 2000-02-23 2004-04-13 Neomagic Corp. Adaptive pixel-level color enhancement for a digital camera
EP1317354A2 (de) * 2000-08-18 2003-06-11 Paul Reed Smith Guitars Limited Partnership (Maryland) Verfahren zur farbakzentuierung
US6956581B2 (en) * 2002-09-19 2005-10-18 Lexmark International, Inc. Gamut mapping algorithm for business graphics

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH341708A (de) * 1956-04-18 1959-10-15 Ag Dr Edgar Gretener Verfahren zur Herstellung einer subtraktiven Farbfilmkopie
DE1257574B (de) * 1963-07-19 1967-12-28 Hell Rudolf Dr Ing Fa Reproduktionstechnische elektronische Vorrichtung zur Umrechung eines Satzes von unkorrigierten Farbauszuegen in einen Satz von korrigierten Farbauszuegen
GB1057370A (en) * 1963-11-08 1967-02-01 Kyte Derek John Improvements in or relating to colour printing
JPS5224701A (en) * 1975-08-20 1977-02-24 Dainippon Screen Mfg Method of correcting color of image signal
JPS55142345A (en) * 1979-04-23 1980-11-06 Dainippon Screen Mfg Co Ltd Masking operation method in digital color tone control
US4547797A (en) * 1982-10-12 1985-10-15 Sperry Corporation Apparatus for color tracking and brightness correction for multi-gun color cathode ray tube display

Also Published As

Publication number Publication date
JPS6184162A (ja) 1986-04-28
US4647963A (en) 1987-03-03
EP0181063B1 (de) 1990-07-25
EP0181063A1 (de) 1986-05-14
GB8422988D0 (en) 1984-10-17
JPH0528943B2 (de) 1993-04-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJIFILM ELECTRONIC IMAGING LTD., LONDON, GB

8339 Ceased/non-payment of the annual fee