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Proceedings Paper

Wavelength interval in accurate tristimulus integration
Author(s): Jouni Hiltunen; Timo Jaaskelainen
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Paper Abstract

Tristimulus integrals are approximated by summation equations. Now, interesting question is what should the wavelength interval be to obtain accurate tristimulus values? CIE recommends to do summation with 1 or 5 nm intervals. For dense intervals ASTM weighting sets are recommended to use. In that method weighting sets are calculated by Lagrange interpolation.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.530476
Show Author Affiliations
Jouni Hiltunen, Univ. of Joensuu (Finland)
Timo Jaaskelainen, Univ. of Joensuu (Finland)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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