Method and apparatus for determining color transformation coeffi

Details Method and apparatus for determining color transformation coeffi Method and apparatus for determining color transformation coeffi

1995-08-02

1999-11-02

Lee, Thomas D.

Facsimile and static presentation processing

Natural color facsimile

Color correction

358518, G03F 308

Patent

active

059781076

ABSTRACT:
A method of determining lattice point data of a look-up table for transforming input color coordinates into colorant coordinates of a color image output device, or of reconstructing the same by using a differentiable-continuous function. An input-output characteristic of the device is determined by using a differentiable-continuous function based on discrete transformation pairs, and coefficients of color transformation that uses a look-up table or a continuous function is determined based on the thus-determined differentiable-continuous function.

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patent: 5376962 (1994-12-01), Zortea
patent: 5483360 (1996-01-01), Rolleston
patent: 5546195 (1996-08-01), Arai

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