Application of Structured Light System Technique for Authentication of Wooden Panel Paintings
AbstractThis 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
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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.
Buchón-Moragues F, Bravo JM, Ferri M, Redondo J, Sánchez-Pérez JV. Application of Structured Light System Technique for Authentication of Wooden Panel Paintings. Sensors. 2016; 16(6):881.Chicago/Turabian Style
Buchón-Moragues, Fernando; Bravo, José M.; Ferri, Marcelino; Redondo, Javier; Sánchez-Pérez, Juan V. 2016. "Application of Structured Light System Technique for Authentication of Wooden Panel Paintings." Sensors 16, no. 6: 881.
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