A portable fluorescence multispectral imaging system was developed and has been used for the analysis of artistic surfaces. The imaging apparatus exploits two UV lamps for fluorescence excitation and a liquid crystal tunable filter coupled to a low-noise charge coupled device as the image detector. The main features of the system are critically presented, outlining the assets, drawbacks, and practical considerations of portability. A multivariate statistical treatment of spectral data is further considered. Finally, the in situ analysis with the new apparatus of recently restored Renaissance wall paintings is presented.

A portable UV-fluorescence multispectral imaging system for the analysis of painted surfaces

COMELLI, DANIELA;VALENTINI, GIANLUCA;NEVIN, AUSTIN BENJAMIN;FARINA, ANDREA;TONIOLO, LUCIA;CUBEDDU, RINALDO
2008

Abstract

A portable fluorescence multispectral imaging system was developed and has been used for the analysis of artistic surfaces. The imaging apparatus exploits two UV lamps for fluorescence excitation and a liquid crystal tunable filter coupled to a low-noise charge coupled device as the image detector. The main features of the system are critically presented, outlining the assets, drawbacks, and practical considerations of portability. A multivariate statistical treatment of spectral data is further considered. Finally, the in situ analysis with the new apparatus of recently restored Renaissance wall paintings is presented.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11311/527985
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