Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1993-04-26
1995-12-05
Herndon, Heather R.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358518, 358520, G06T 500
Patent
active
054737362
ABSTRACT:
A color palette mapped to an image obtained by any known process is decomposed to separate contrast components from hue/saturation pairs, then only the hue/saturation pairs are remapped to a new set of hue/saturation parameters according to available mapping techniques, including remapping of ordered color sets, into a new ordered set wherein at least a portion of the contrast components are held at fixed values and not altered. By fixing the contrast components, color remapping is constrained to certain symmetric transformations in Munsell color space which preserves features of the source image in the resultant image.
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patent: 5202935 (1993-04-01), Kanomuri et al.
patent: 5239370 (1993-08-01), Yamaguchi
patent: 5289295 (1994-02-01), Yumiba et al.
Lendley, et al Fundamentals of True-Color Image Processing, IEEE Comput Soc. Press. (Cat.#90 CH 289-5).
Foley, et al Computer Graphics, Principles & Practices, Addison Wesley Pub. Co. 2nd ed, 1990, 14-15, 598-9.
Allen Kenneth R.
Buchel, Jr. Rudolph J.
Chroma Graphics
Herndon Heather R.
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