Determining an optimal color space direction for selecting color

Details Determining an optimal color space direction for selecting color Determining an optimal color space direction for selecting color

1997-10-23

2000-02-08

Tran, Phuoc

Image analysis

Color image processing

G06K 900

Patent

active

06023525&

ABSTRACT:
This technique for determining an optimal color space direction for a respective input color mathematically models the determination of the color space direction as an optimization problem and uses models of human perception and scanner response that produce quantitative measurements of color changes. A given input color and a direction in color space away from the givien input color define a color change away from the input color. An objective function simultaneously minimizes the quantitative color difference of the color change measured by a human perception model and maximizes the color response difference of a scanner response model to find an optimal color space direction for the respective input color.

REFERENCES:
patent: 5664072 (1997-09-01), Ueda et al.
patent: 5742520 (1998-04-01), Uchikawa et al.

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