A. Doria, G. P. Gallerano, E. Giovenale, A. Casini, C. Cucci, M. Picollo, M. Poggesi, L. Stefani, K. Fukunaga, M. Tamassia
http://link.springer.com/article/10.1007%2Fs10762-017-0357-2
In this paper, we report on Vis-IR hyperspectral and terahertz imaging investigations carried out on a fresco painting on tavella depicting St. John Baptist, by Alessandro Gherardini (1655–1726). Measurements took place at the Restoration Laboratories of the former “Polo Museale della Toscana,” in Florence, in the framework of the Italy-Japan collaborative project THz-ARTE. We show how the hyperspectral data made it possible to determine the state-of-conservation of Gherardini’s painting, while reflection imaging measurements performed at 97 GHz provided a qualitative evaluation of the position of defects inside the tavella.
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