DETERMINATION OF CHROMA MAPPING FUNCTIONS BASED ON HUE ANGULAR SECTORS PARTITIONING THE GAMUT MAPPING COLOR SPACE

DETERMINATION OF CHROMA MAPPING FUNCTIONS BASED ON HUE ANGULAR SECTORS PARTITIONING THE GAMUT MAPPING COLOR SPACE

This determination comprises : defining key constant-hue leaves such as to partition the gamut mapping color space into angular hue sectors ; for each key constant hue leaf, defining a key hue leaf chroma mapping function ; for each angular hue sector, defining a continuous angular hue sector chroma...

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Hauptverfasser: ORHAND, Anita, STAUDER, Jurgen, THEBAULT, Cédric
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Sprache:eng ; fre ; ger
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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STAUDER, Jurgen
THEBAULT, Cédric
description This determination comprises : defining key constant-hue leaves such as to partition the gamut mapping color space into angular hue sectors ; for each key constant hue leaf, defining a key hue leaf chroma mapping function ; for each angular hue sector, defining a continuous angular hue sector chroma mapping function such that, for any source color belonging to one of the two key constant-hue leaves delimiting this angular hue sector, this continuous chroma mapping function allows to map the chroma of said source color according to the key hue leaf chroma mapping function of the key constant-hue leaf to which said source color belongs. Preferably, this mapping functions are non linear polynomials.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title DETERMINATION OF CHROMA MAPPING FUNCTIONS BASED ON HUE ANGULAR SECTORS PARTITIONING THE GAMUT MAPPING COLOR SPACE
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