Facsimile and static presentation processing – Natural color facsimile – Color correction
Patent
1995-02-16
1996-12-10
Vu, Kim Yen
Facsimile and static presentation processing
Natural color facsimile
Color correction
358504, 358522, 358523, 358524, 358525, 358538, 348652, 345154, G02B 700, G02B 512, H04N 964, G09G 504
Patent
active
055836666
ABSTRACT:
This invention provides a method for transforming an input color space to an output color space where each of a plurality of specified colors and/or color regions are constrained to be transformed by any one of a plurality of explicitly specified color calibration or color enhancement strategies. The method involves a two step process: 1) constraints are applied to some subset of the points in the input color space explicitly specifying the transform into the output color space; 2) the reminder of the points are then transformed by a mapping strategy which preserves color continuity. The mapping strategy used in the preferred embodiment is based on a computer graphics geometric morphing technique. In the preferred embodiment, multi-dimensional look-up tables are used to implement the color transformation.
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Ellson Richard N.
Gershon Ron
Mutz Andrew H.
Spaulding Kevin E.
Eastman Kodak Company
Stewart Gordon M.
Vu Kim Yen
Williams Kimberly A.
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