Three color neutral axis control in a printing device
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United States of America Patent
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Jan 21, 2014
Grant Date -
Dec 6, 2012
app pub date -
Sep 23, 2011
filing date -
Jun 6, 2011
priority date (Note) -
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Abstract
A color printing method includes converting source color data to intermediate color data represented in a device independent color space using a first multidimensional gamut mapping of the first device dependent color space to the device independent color space. The device independent color space has a neutral color component. The method further includes converting the intermediate color data to destination color data represented in a second device dependent color space using a second multidimensional gamut mapping of the device independent color space to the second device dependent color space. The second device dependent color space has three primary color components and a virtual black color component defined by substantially equal tonal values of the three primary color components. The second multidimensional gamut mapping includes a mapping from the neutral color component of the device independent color space to the virtual black color component of the second device dependent color space.
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