Multi-band infrared imaging for the characterization of underlying elements in the Santa Maria in Cosmedin altarpiece

S. Ceccarelli, N. Orazi, C. Cicero, F. Mercuri, U. Zammit, S. Paoloni, A. C. Felici, F. Matera, M. Nuzzo

Abstract

This paper presents the integrated application of near and mid-infrared imaging techniques for the characterization of the wooden altarpiece preserved inside Santa Maria in Cosmedin Basilica (Rome, Italy). The visible part of this polychrome artefact is the result also of several changes applied during the centuries. The stratigraphic analysis of the artwork has been carried out by the use of pulsed thermography and reflectographic techniques in order to detect structural elements, such as defects on the support, and to disclose underlying graphical/pictorial features, such as underdrawings and pentimenti. The results allowed the description of the conservative state of the altarpiece and a better comprehension of its manufacturing process.

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IMEKO-TC4-METROARCHAEO-2019-86.pdf

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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