WO2001078372A3 - Secondary color modification of a digital image - Google Patents

Secondary color modification of a digital image Download PDF

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Publication number
WO2001078372A3
WO2001078372A3 PCT/US2001/010761 US0110761W WO0178372A3 WO 2001078372 A3 WO2001078372 A3 WO 2001078372A3 US 0110761 W US0110761 W US 0110761W WO 0178372 A3 WO0178372 A3 WO 0178372A3
Authority
WO
WIPO (PCT)
Prior art keywords
chroma
region
plane
modification
digital image
Prior art date
Application number
PCT/US2001/010761
Other languages
French (fr)
Other versions
WO2001078372A2 (en
Inventor
Brian C Cooper
Robert A Gonsalves
Robert Alan Paoni
Original Assignee
Avid Technology Inc
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 Avid Technology Inc filed Critical Avid Technology Inc
Publication of WO2001078372A2 publication Critical patent/WO2001078372A2/en
Publication of WO2001078372A3 publication Critical patent/WO2001078372A3/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • H04N1/62Retouching, i.e. modification of isolated colours only or in isolated picture areas only
    • H04N1/622Retouching, i.e. modification of isolated colours only or in isolated picture areas only with simulation on a subsidiary picture reproducer

Abstract

An ellipsoid chroma region of a chroma plane may be defined to specify a range of chromas for which a secondary chroma modification is to be applied, and to determine an output chroma for each chroma of the chroma plane based on the ellipsoid chroma region. Further, two or more different-shaped chroma regions of a chroma plane may be defined and manipulated, each chroma region specifying a range of chroma for which a secondary chroma modification is to be applied, and to determine an output chroma for each chroma of the chroma plane based on the two or more different-shaped chroma regions. Also, chroma-matching techniques may be used to define and manipulate the chroma region of a chroma plane that specifies a range of for which a secondary chroma modification is to be applied, and an output chroma may be determined for each chroma of the chroma plane based on the chroma region.
PCT/US2001/010761 2000-04-07 2001-04-03 Secondary color modification of a digital image WO2001078372A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/545,644 US6477271B1 (en) 2000-04-07 2000-04-07 Secondary color modification of a digital image
US09/545,644 2000-04-07

Publications (2)

Publication Number Publication Date
WO2001078372A2 WO2001078372A2 (en) 2001-10-18
WO2001078372A3 true WO2001078372A3 (en) 2002-02-28

Family

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Family Applications (1)

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PCT/US2001/010761 WO2001078372A2 (en) 2000-04-07 2001-04-03 Secondary color modification of a digital image

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US (2) US6477271B1 (en)
WO (1) WO2001078372A2 (en)

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US6477271B1 (en) 2002-11-05
US20030016866A1 (en) 2003-01-23
WO2001078372A2 (en) 2001-10-18
US6763134B2 (en) 2004-07-13

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