Method and apparatus for expanding a color gamut
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United States of America Patent
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Mar 15, 2005
Grant Date -
N/A
app pub date -
Jan 21, 2000
filing date -
Jan 21, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A color gamut in a first color space is expanded to utilize a larger gamut in a second color space. The gamut in the first color space is first converted by black generation or geometric distortion to a gamut in a second color space. The gamut in the second color space is converted by forward mapping to a gamut in a third color. The gamut in the third color space is expanded by linear rescaling. Finally, the linearly rescaled gamut is mapped to a gamut in the second color space through inverse modeling to form a final color gamut. The final color gamut utilizes the gamut available in the second color space, which is larger than the gamut available in the first color space.
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Cited Art Landscape
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