Remote and contactless infrared imaging techniques for stratigraphical investigations in paintings on canvas

Author:

Ceccarelli Sofia,Guarneri MassimilianoORCID,Orazi Noemi,Francucci Massimo,Ciaffi Massimiliano,Mercuri Fulvio,Paoloni Stefano,de Collibus Mario Ferri,Zammit Ugo,Petrucci Francesco

Abstract

AbstractIn the analysis of complex stratigraphical structures like painted artefact, infrared (IR) techniques can provide precious information about elements hidden under superficial layers of the artwork, such as pictorial features and structural defects. This paper presents a novel complementary use of reflectographic and thermographic techniques for the survey of three baroque paintings, preserved at the Chigi Palace in Ariccia (Italy). First, the IR-ITR laser scanner prototype has been used for the preliminary and remote near-IR reflectographic survey of the areas where the canvas was located. The resulting map was then used for planning the thermographic and mid-IR reflectographic studies, focusing the analyses on the most interesting areas of one of the paintings, called “La Primavera”. The combination of the three imaging techniques revealed several details not visible by the naked eye, such as restored lacunas and pentimenti, demonstrating the validity and complementarity of the proposed combined methodologies.

Funder

Ente per le Nuove Tecnologie, l'Energia e l'Ambiente

Publisher

Springer Science and Business Media LLC

Subject

General Physics and Astronomy,Physics and Astronomy (miscellaneous),General Engineering

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