IMAGE PROCESSING METHODS AND APPARATUS USING LOCALIZED GAMUT DEFINITIONS

Methods and apparatus are provided for encoding and decoding image data using localized gamut definitions. The localized gamut definitions may be defined based on gamut characteristics of the image data. A gamut transform is applied to the image data wherein color coordinates specified by the image...

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Bibliographische Detailangaben
Hauptverfasser:	WAN, CHUN CHI, MESSMER, NEIL W
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	Methods and apparatus are provided for encoding and decoding image data using localized gamut definitions. The localized gamut definitions may be defined based on gamut characteristics of the image data. A gamut transform is applied to the image data wherein color coordinates specified by the image data are mapped to corresponding color coordinates in the localized gamut definition. Use of localized gamut definitions may facilitate image data compression or increased color depth specification of image data.