Color conversion device

Details Color conversion device Color conversion device

1998-03-19

2000-09-12

Coles, Edward L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358515, 358520, 358522, 358525, 382167, G06F 1500

Patent

active

061185493

ABSTRACT:
A color conversion device includes a region judging section for judging which region of a three-dimensional color space contains an input value, and/or a representative points-dispersed axis selecting section for selecting a representative points-dispersed axis which is nearest to said input value. Additionally, the color conversion device includes a representative points selecting section for selecting representative points in the vicinity of the input value among representative points discretely arranged along (or within) the selected representative points dispersed axis; a look-up table (LUT) which stores coordinates of representative points and color correction data; and a linear interpolation section for performing color conversion by weighting based on the selected representative points.

REFERENCES:
patent: 4929978 (1990-05-01), Kanamori et al.
patent: 5233412 (1993-08-01), Nishihara
patent: 5268754 (1993-12-01), Van De Capelle et al.
patent: 5311332 (1994-05-01), Imao et al.
patent: 5519515 (1996-05-01), Komatsu

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