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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 49, Iss. 8 — Aug. 1, 1959
  • pp: 811–813

A Measure for the Total Difference of Two Sets of Color-Mixture Functions

GÜNTER WYSZECKI  »View Author Affiliations


JOSA, Vol. 49, Issue 8, pp. 811-813 (1959)
http://dx.doi.org/10.1364/JOSA.49.000811


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Abstract

Using a large number of specially selected imaginary object colors which are metameric with respect to one set of color-mixture functions, the spatial distribution of these colors with respect to the other set of color-mixture functions provides an illustrative means of measuring the total difference of the two sets of color-mixture functions. The spatial distribution follows a normal trivariate distribution law which allows the computation of an ellipsoid that is expected to contain 95% of all theoretically and practically possible object colors of the same class used to calculate that ellipsoid. A numerical example involving the color-mixture functions of the 1931 CIE standard observer and the color-mixture functions derived from the Stiles 10° pilot data demonstrates the theory.

Citation
GÜNTER WYSZECKI, "A Measure for the Total Difference of Two Sets of Color-Mixture Functions," J. Opt. Soc. Am. 49, 811-813 (1959)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-49-8-811

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