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Principal components analysis on the spectral bidirectional reflectance distribution function of ceramic colour standards

AuthorsFerrero, Alejandro CSIC ORCID; Campos Acosta, Joaquín CSIC ORCID ; Rabal, A. M.; Pons Aglio, Alicia CSIC ORCID; Hernanz, María Luisa CSIC ORCID CVN; Corróns, Antonio CSIC
Issue Date2011
PublisherOptical Society of America
CitationOptics Express 19: 19199- 19211 (2011)
AbstractThe Bidirectional Reflectance Distribution Function (BRDF) is essential to characterize an object's reflectance properties. This function depends both on the various illumination-observation geometries as well as on the wavelength. As a result, the comprehensive interpretation of the data becomes rather complex. In this work we assess the use of the multivariable analysis technique of Principal Components Analysis (PCA) applied to the experimental BRDF data of a ceramic colour standard. It will be shown that the result may be linked to the various reflection processes occurring on the surface, assuming that the incoming spectral distribution is affected by each one of these processes in a specific manner. Moreover, this procedure facilitates the task of interpolating a series of BRDF measurements obtained for a particular sample. © 2011 Optical Society of America.
Identifiersdoi: 10.1364/OE.19.019199
issn: 1094-4087
Appears in Collections:(CFMAC-IO) Artículos
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