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Sensors 2016, 16(6), 881; doi:10.3390/s16060881

Application of Structured Light System Technique for Authentication of Wooden Panel Paintings

1
Departamento de Ingeniería Catográfica, Geodesia y Fotogrametría, Universitat Politécnica de Valéncia, Camino de Vera s/n, 46022 Valencia, Spain
2
Centro de Tecnologías Físicas, Acústica, Materiales y Astrofísica, División Acústica, Universitat Politécnica de Valéncia, Camino de Vera s/n, 46022 Valencia, Spain
3
Instituto de Investigación para la Gestión Integrada de zonas Costeras, Universitat Politécnica de Valéncia, Paranimf 1, Grao de Gandia, 46730 Valencia, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 17 February 2016 / Revised: 5 June 2016 / Accepted: 9 June 2016 / Published: 14 June 2016
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [4076 KB, uploaded 14 June 2016]   |  

Abstract

This paper presents a new application of photogrammetric techniques for protecting cultural heritage. The accuracy of the method and the fact that it can be used to carry out different tests without contact between the sample and the instruments can make this technique very useful for authenticating and cataloging artworks. The application focuses on the field of pictorial artworks, and wooden panel paintings in particular. In these works, the orography formed by the brushstrokes can be easily digitalized using a photogrammetric technique, called Structured Light System, with submillimeter accuracy. Thus, some of the physical characteristics of the brushstrokes, like minimum and maximum heights or slopes become a fingerprint of the painting. We explain in detail the general principles of the Structured Light System Technique and the specific characteristics of the commercial set-up used in this work. Some experiments are carried out on a sample painted by us to check the accuracy limits of the technique and to propose some tests that can help to stablish a methodology for authentication purposes. Finally, some preliminary results obtained on a real pictorial artwork are presented, providing geometrical information of its metric features as an example of the possibilities of this application. View Full-Text
Keywords: pictorial artworks authentication; pictorial artworks cataloging; non-destructive testing; structured light system technique pictorial artworks authentication; pictorial artworks cataloging; non-destructive testing; structured light system technique
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Buchón-Moragues, F.; Bravo, J.M.; Ferri, M.; Redondo, J.; Sánchez-Pérez, J.V. Application of Structured Light System Technique for Authentication of Wooden Panel Paintings. Sensors 2016, 16, 881.

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