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 …