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DE69718345D1 - Verfahren und vorrichtung zur korrektur von farbdifferenzsignalen - Google Patents

Verfahren und vorrichtung zur korrektur von farbdifferenzsignalen

Info

Publication number
DE69718345D1
DE69718345D1 DE1997618345 DE69718345A DE69718345D1 DE 69718345 D1 DE69718345 D1 DE 69718345D1 DE 1997618345 DE1997618345 DE 1997618345 DE 69718345 A DE69718345 A DE 69718345A DE 69718345 D1 DE69718345 D1 DE 69718345D1
Authority
DE
Grant status
Grant
Patent type
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 - Fee Related
Application number
DE1997618345
Other languages
English (en)
Other versions
DE69718345T2 (de )
Inventor
Goarant Yann Desprez-Le
Kah Chua
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.)
STMicroelectronics Asia Pacific Pte Ltd
Original Assignee
STMicroelectronics Asia Pacific Pte 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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/68Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/77Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
DE1997618345 1996-11-06 1997-09-29 Verfahren und vorrichtung zur korrektur von farbdifferenzsignalen Expired - Fee Related DE69718345D1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SG1996011062 1996-11-06
PCT/SG1997/000047 WO1998020683A1 (en) 1996-11-06 1997-09-29 A method and apparatus for correcting colour difference signals

Publications (1)

Publication Number Publication Date
DE69718345D1 true DE69718345D1 (de) 2003-02-13

Family

ID=20429504

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1997618345 Expired - Fee Related DE69718345D1 (de) 1996-11-06 1997-09-29 Verfahren und vorrichtung zur korrektur von farbdifferenzsignalen
DE1997618345 Expired - Lifetime DE69718345T2 (de) 1996-11-06 1997-09-29 Verfahren und vorrichtung zur korrektur von farbdifferenzsignalen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1997618345 Expired - Lifetime DE69718345T2 (de) 1996-11-06 1997-09-29 Verfahren und vorrichtung zur korrektur von farbdifferenzsignalen

Country Status (4)

Country Link
US (1) US6137540A (de)
EP (1) EP0937362B1 (de)
DE (2) DE69718345D1 (de)
WO (1) WO1998020683A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001257905A (ja) * 2000-03-14 2001-09-21 Sony Corp 映像処理方法および映像処理装置
US7215813B2 (en) 2001-12-03 2007-05-08 Apple Computer, Inc. Method and apparatus for color correction
US7633557B2 (en) * 2004-09-06 2009-12-15 Mstar Semiconductor, Inc. Method and device for adaptive color correction
US8223336B2 (en) * 2009-07-31 2012-07-17 Eastman Kodak Company Method for converting digital color images
US8358318B2 (en) * 2009-07-31 2013-01-22 Eastman Kodak Company Method for reproducing an image on an imaging device
US8355573B2 (en) * 2009-07-31 2013-01-15 Eastman Kodak Company Method for matching colors by using human observer color matching functions
US8203756B2 (en) * 2009-07-31 2012-06-19 Eastman Kodak Company Method for characterizing the color response of an imaging device
US8203712B2 (en) * 2009-07-31 2012-06-19 Eastman Kodak Company Method and apparatus for measuring colors
US8401289B2 (en) 2009-07-31 2013-03-19 Eastman Kodak Company Method for matching colors between two systems
US8594426B2 (en) 2011-02-04 2013-11-26 Apple Inc. Color matching using color segmentation
US8842911B2 (en) 2011-02-04 2014-09-23 Apple Inc. Luma-based color matching
US8611655B2 (en) 2011-02-04 2013-12-17 Apple Inc. Hue-based color matching
US20120210229A1 (en) 2011-02-16 2012-08-16 Andrew Bryant Color workflow
US8854370B2 (en) 2011-02-16 2014-10-07 Apple Inc. Color waveform

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757373A (en) * 1985-11-14 1988-07-12 U.S. Philips Corporation Amplifier circuit operative with an adaptive signal compression
DE3629403C2 (de) * 1986-08-29 1994-09-29 Agfa Gevaert Ag Verfahren zur Korrektur der Farbsättigung bei der elektronischen Bildverarbeitung
DE3809303A1 (de) * 1988-03-19 1989-10-05 Itt Ind Gmbh Deutsche Schaltungsanordnung zur farbsaettigungseinstellung
US5068718A (en) * 1988-11-04 1991-11-26 Fuji Photo Film Co., Ltd. Image quality correcting system for use with an imaging apparatus
US5003394A (en) * 1989-08-25 1991-03-26 Rca Licensing Corporation Dynamic video system including automatic contrast and "white-stretch" processing sections
JP2784839B2 (ja) * 1990-07-17 1998-08-06 松下電器産業株式会社 映像信号の階調補正装置
US5257108A (en) * 1990-08-06 1993-10-26 Koji Muraoka Video signal processing circuit for improving contrast for an LCD display
BE1007609A3 (nl) * 1993-10-08 1995-08-22 Philips Electronics Nv Kleurverzadigingscorrectie-inrichting.

Also Published As

Publication number Publication date Type
WO1998020683A1 (en) 1998-05-14 application
DE69718345T2 (de) 2003-12-24 grant
US6137540A (en) 2000-10-24 grant
EP0937362A1 (de) 1999-08-25 application
EP0937362B1 (de) 2003-01-08 grant

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee