Interpolation of Spectral Data

Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27851-8_366-1

Synonyms

Definition

Spectral data can be interpolated using Sprague interpolation when the original data are evenly spaced. This involves fitting a fifth-order polynomial between two points P i and P i+1 thus:
$$ f(x)={a}_0+{a}_1x+{a}_2{x}^2+{a}_3{x}^3+{a}_4{x}^4+{a}_5{x}^5 $$
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References

  1. 1.
    CIE Publication No. 167: Recommended practice for tabulating spectral data for use in colour, Central Bureau of the Commission Internationale d’Eclairage (2005)Google Scholar
  2. 2.
    CIE Publication No. 15.2: Colorimetry, 2nd edn, Central Bureau of the Commission Internationale d’Eclairage (1986)Google Scholar
  3. 3.
    CIE Publication No. 15: Colorimetry, 3rd edn, Central Bureau of the Commission Internationale d’Eclairage (2004)Google Scholar

Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Colour Science and Technology, University of LeedsLeedsUK