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Non-linear method of mapping the lightness and chroma of a display device gamut onto a printing device gamut
Non-linear method of mapping the lightness and chroma of a display device gamut onto a printing device gamut
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机译：将显示设备色域的亮度和色度映射到打印设备色域的非线性方法
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摘要
A method of mapping an input color gamut of an input device onto an output color gamut of an output device includes establishing a threshold chroma value in the input color gamut. For first input chroma values below the threshold chroma value, each first input chroma value is mapped onto a respective one of a plurality of first output chroma values such that a first linear relationship exists between the first input chroma values and the first output chroma values. Each corresponding first input lightness value is mapped onto a respective one of a plurality of first output lightness values such that a second linear relationship exists between the first input lightness values and the first output lightness values. For second input chroma values above the threshold chroma value, each second input chroma value is mapped onto a respective one of a plurality of second output chroma values such that a first non-linear relationship exists between the second input chroma values and the second output chroma values. Each corresponding second input lightness value is mapped onto a respective one of a plurality of second output lightness values such that a second non-linear relationship exists between the second input lightness values and the second output lightness values.
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