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Correlations between concentration of effect pigments optical measurements and visual assessment of sparkle

AuthorsGómez, O.; Perales, E.; Chorro, E.; Viqueira, V.; Martínez-Verdú, F. M.; Ferrero, Alejandro ; Campos Acosta, Joaquín
Issue Date9-Jan-2016
PublisherCommission Internationale de L'Eclairage
CitationProceedings of the 4th CIE Expert Symposium on Colour and Visual Appearance, 109-110 (2016)
AbstractThe effects of goniochromatism and sparkle are reaching more and more interest for surface refinement applications driven by demanding requirements from such different branches as automotive, cosmetics, printing and packaging industry. In order to assure a proper characterization of textures with special-effect pigments, a commercial device has been developed to characterize the sparkle texture effect in different geometries, which is called BYK-mac multiangle-spectrophotometer. On the other hand, recently it has been published a method for calculating the sparkle descriptors of effect coatings from bidirectional imaging-based measurements. The main objective of this work is to check whether there is a visual, instrumental and structural correlation between the sparkle texture effect that the observer detects, the pigment concentration and the sparkle descriptors provided by both BYK-mac and those recently defined.
Description2 pags. ; 4th CIE Expert Symposium on Colour and Visual Appearance Prague, Czech Republic; September 6 - 7, 2016
Appears in Collections:(CFMAC-IO) Libros y partes de libros
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