Spectral Colour Differences through Interpolation

  • Arto Kaarna
  • Joni Taipale
  • Lasse Lensu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8509)

Abstract

The existing spectral colour difference metrics are not similar to CIEDE2000. The goal in this study was to implement a system to calculate the difference of spectral colours so that the calculated differences are similar to CIEDE2000 colour differences. The developed system is based on a priori calculated differences between known spectra and the calculus parameters derived from them. With the current system one can calculate spectral differences between a limited set of spectra which are derived by mixing the known spectra. The computation of calculus parameters for the system is a demanding process, and therefore, the calculations were distributed to a cluster of computers. The proposed spectral difference metric is very similar to CIEDE2000 for most of the test spectra. In addition, the metric shows non-zero differences for metameric spectra although CIEDE2000 colour difference metric results in zero differences. This indicates more correct operation of the spectral difference than the operation of CIEDE2000 colour difference.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Arto Kaarna
    • 1
  • Joni Taipale
    • 1
  • Lasse Lensu
    • 1
  1. 1.Machine Vision and Pattern Recognition Research Group Department of Mathematics and Physics LUT School of TechnologyLappeenranta University of TechnologyLappeenrantaFinland

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