Spectral BRDF-based determination of proper measurement geometries to characterize color shift of special effect coatings

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Title: Spectral BRDF-based determination of proper measurement geometries to characterize color shift of special effect coatings
Authors: Ferrero Turrión, Alejandro | Rabal Almazor, Ana María | Campos Acosta, Joaquín | Martínez-Verdú, Francisco M. | Chorro, Elísabet | Perales, Esther | Pons Aglio, Alicia | Hernanz Sanjuán, María Luisa
Research Group/s: Visión y Color
Center, Department or Service: Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía
Keywords: BRDF | Goniochromatism | Measurement geometries
Knowledge Area: Óptica
Issue Date: 11-Jan-2013
Publisher: Optical Society of America
Citation: FERRERO, Alejandro, et al. "Spectral BRDF-based determination of proper measurement geometries to characterize color shift of special effect coatings". Journal of the Optical Society of America A. Vol. 30, No. 2 (Febr. 2013). ISSN 1084-7529, pp. 206-214
Abstract: A reduced set of measurement geometries allows the spectral reflectance of special effect coatings to be predicted for any other geometry. A physical model based on flake-related parameters has been used to determine nonredundant measurement geometries for the complete description of the spectral bidirectional reflectance distribution function (BRDF). The analysis of experimental spectral BRDF was carried out by means of principal component analysis. From this analysis, a set of nine measurement geometries was proposed to characterize special effect coatings. It was shown that, for two different special effect coatings, these geometries provide a good prediction of their complete color shift.
Sponsor: The authors are grateful to “Plan Nacional de Física” for funding this work (FIS2010-19756-E), to CSIC’s JAE Program, and the “European Social Fund” for awarding us a research trainee. This study was also supported by the Spanish Ministry of Economy and Competitiveness under the grant DPI2011-30090-C02-02 and the European Union.
URI: http://hdl.handle.net/10045/25886
ISSN: 1084-7529
Language: eng
Type: info:eu-repo/semantics/article
Rights: This paper was published in Journal of the Optical Society of America A, and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/josaa/abstract.cfm?uri=josaa-30-2-206. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Peer Review: si
Publisher version: http://www.opticsinfobase.org/josaa/abstract.cfm?uri=josaa-30-2-206
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