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COLOR GAMUT MAPPING USING A LIGHTNESS MAPPING BASED ALSO ON THE LIGHTNESS OF CUSP COLORS BELONGING TO DIFFERENT CONSTANT-HUE LEAVES
COLOR GAMUT MAPPING USING A LIGHTNESS MAPPING BASED ALSO ON THE LIGHTNESS OF CUSP COLORS BELONGING TO DIFFERENT CONSTANT-HUE LEAVES
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机译:使用亮度映射进行色彩映射,该映射还基于对不同恒定色度叶具有支持性的杯状色的亮度
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摘要
For the mapping in a non-linear color space of source colors belonging to a same constant-hue leaf, instead of using a lightness mapping function based only on a cusp lightness condition stating that a source cusp color of this leaf should be mapped into a corresponding target cusp color of this leaf, it is proposed to build such a function also on other source cusp color(s) and other target cusp color(s) having hues different from that of said leaf. Preferably, the hue interval in which these other colors are considered is representative of the curvature of the non-linear color space at the position of colors of this constant-hue leaf.
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