Hybrid gamut mapping

Details Hybrid gamut mapping Hybrid gamut mapping

2008-05-27

2008-05-27

Lee, Thomas D. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C382S162000

Reexamination Certificate

active

10842029

ABSTRACT:
In converting a color in a source gamut to a color in a destination gamut, selection of a conversion technique is determined for the source color based on the hue aspect of the source color, a maximum chroma of the destination gamut associated with the source color's hue aspect, and the lightness value of the source color relative to a lightness value associated with the maximum chroma. In converting a set of colors such as in a digital color image, selection of a conversion technique is performed for each color in the color image, independent of the color aspects of, and/or the conversion technique selected for, neighboring colors.

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R. Balasubramanian, et al., “Gamut Mapping to Preserve Spatial Luminance Variations”, Xerox Research & Technology, Webster, NY.
Morovic, J. and Luo, M.R., “The Fundamentals of Gamut Mapping: A Survey”, Journal of Imaging Science and Technology, vol. 45, No. 3, pp. 283-290 (2001).

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