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Proceedings Paper

Perception-referenced method for comparison of radiance ratio spectra and its application as an index of metamerism
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Paper Abstract

A metric for comparison of radiance (e.g., reflectance) spectra, based on colorimetric principles, is described. In essence, the metric is a linear approximation to the sum of a series of ΔE*ab values wherein the two spectra differ only within a single narrow wavelength band. This metric has previously been suggested as a measure of lack-of-fit between a spectral-based color model and experimental observations, as well as an optimization criterion in modeling the color behavior of color output devices. In this paper, the application of the metric as an index of metamerism is presented. Unlike the current CIE-recommended special metameric indices, the new proposal does not require the specification of a single set of trial conditions. Further, unlike previous spectrum-based proposals, it provides results in familiar units of ΔE*ab.

Paper Details

Date Published: 6 June 2002
PDF: 4 pages
Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002); doi: 10.1117/12.464650
Show Author Affiliations
J.A. Stephen Viggiano, RIT Research Corp. (United States)

Published in SPIE Proceedings Vol. 4421:
9th Congress of the International Colour Association
Robert Chung; Allan Rodrigues, Editor(s)

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