Scientific Results

2D and 3D optical diagnostic techniques applied to “Madonna dei Fusi” by Leonardo da Vinci

Year: 2005

Authors: Fontana R., Gambino M.C., Greco M., Marras L., Materazzi M., Pampaloni E., Pelagotti A., Pezzati L., Poggi P., Sanapo C.

Autors Affiliation: Istituto Nazionale di Ottica Applicata – Sezione di Lecce, Via Barsanti, 73010 Arnesano (Lecce), Italy;
Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: 3D measurement and modelling have been traditionally applied to statues, buildings, archeological sites or similar large structures, but rarely to paintings. Recently, however, 3D measurements have been performed successfully also on easel paintings, allowing to detect and document the painting’s surface. We used 3D models to integrate the results of various 2D imaging techniques on a common reference frame. These applications show how the 3D shape information, complemented with 2D colour maps as well as with other types of sensory data, provide the most interesting information. The 3D data acquisition was carried out by means of two devices: a highresolution laser micro-profilometer, composed of a commercial distance meter mounted on a scanning device, and a laser-line scanner. The 2D data acquisitions were carried out using a scanning device for simultaneous
RGB colour imaging and IR reflectography, and a UV fluorescence multispectral image acquisition system. We present here the results of the techniques described, applied to the analysis of an important painting of the Italian Reinassance: ‘Madonna dei Fusi’, attributed to Leonardo da Vinci.

Journal/Review: PROCEEDINGS OF SPIE

Volume: 5857      Pages from: 58570L-1  to: 58570L-11

KeyWords: IR reflectography; RGB imaging; 3D laser-line scanner; UV fluorescence; Multispectral imaging
DOI: 10.1117/12.612535

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