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Ferrero A, Campos J, Perales E, et al. Global color estimation of special-effect coatings from measurements by commercially available portable multiangle spectrophotometers. J Opt Soc Am A Opt Image Sci Vis. 2015;32(1):1-11doi: 10.1364/JOSAA.32.000001.
Ferrero, A., Campos, J., Perales, E., Martínez-Verdú, F. M., van der Lans, I., & Kirchner, E. (2015). Global color estimation of special-effect coatings from measurements by commercially available portable multiangle spectrophotometers. Journal of the Optical Society of America. A, Optics, image science, and vision, 32(1), 1-11. https://doi.org/10.1364/JOSAA.32.000001
Ferrero, A, et al. "Global color estimation of special-effect coatings from measurements by commercially available portable multiangle spectrophotometers." Journal of the Optical Society of America. A, Optics, image science, and vision vol. 32,1 (2015): 1-11. doi: https://doi.org/10.1364/JOSAA.32.000001
Ferrero A, Campos J, Perales E, Martínez-Verdú FM, van der Lans I, Kirchner E. Global color estimation of special-effect coatings from measurements by commercially available portable multiangle spectrophotometers. J Opt Soc Am A Opt Image Sci Vis. 2015 Jan 01;32(1):1-11. doi: 10.1364/JOSAA.32.000001. PMID: 26366484.
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J Opt Soc Am A Opt Image Sci Vis. 2015 Jan 01;32(1):1-11. doi: 10.1364/JOSAA.32.000001.

Global color estimation of special-effect coatings from measurements by commercially available portable multiangle spectrophotometers.

Journal of the Optical Society of America. A, Optics, image science, and vision

A Ferrero, J Campos, E Perales, F M Martínez-Verdú, I van der Lans, E Kirchner

PMID: 26366484 DOI: 10.1364/JOSAA.32.000001

Abstract

Colors of special-effect coatings have strong dependence on illumination/viewing geometry and an appealing appearance. An open question is to ask about the minimum number of measurement geometries required to completely characterize their observed color shift. A recently published principal components analysis (PCA)-based procedure to estimate the color of special-effect coatings at any geometry from measurements at a reduced set of geometries was tested in this work by using the measurement geometries of commercial portable multiangle spectrophotometers X-Rite MA98, Datacolor FX10, and BYK-mac as reduced sets. The performance of the proposed PCA procedure for the color-shift estimation for these commercial geometries has been examined for 15 special-effect coatings. Our results suggest that for rendering the color appearance of 3D objects covered with special-effect coatings, the color accuracy obtained with this procedure may be sufficient. This is the case especially if geometries of X-Rite MA98 or Datacolor FX10 are used.

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