Quantitative evaluation of a color filter

Details Quantitative evaluation of a color filter Quantitative evaluation of a color filter

2007-08-15

2010-02-09

Nguyen, Tu T (Department: 2886)

Optics: measuring and testing

By shade or color

Trichromatic examination

Reexamination Certificate

active

07659982

ABSTRACT:
A quantitative evaluation of a color filter (10) in accordance with the capacity of said filter to restore hues comprises the use of a numerical color appearance model. Values of a perceptive attribute are calculated for hue samples (20), by simulating the observation of each of the samples through the filter (10) and without a filter. The values of the perceptive attribute correspond to the visual perception of the samples by an observer (40), and a deviation between the values with and without filter constitutes the result of the evaluation of the filter. Such a method makes it possible to quantitatively rank several color filters, and the ranking obtained corresponds to that which would be established by real observers evaluating the filters.

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Harrar et al., “Comparison of Color Appearance Changes Assessed by Observers Versus Predicted by CIECAM02,”AIC Colour 05-10thCongress of the International Colour Association, pp. 643-646.
Alessi et al., “A Colour Appearance Model for Colour Management Systems: CIECAM02,”CIE Technical Report, ISBN 3 901 906 29 0 (2004).

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