http://www.cnr.it/ontology/cnr/individuo/prodotto/ID57940

A scanning device for multi-spectral imaging of paintings (Articolo in rivista)

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A scanning device for multi-spectral imaging of paintings (Articolo in rivista) (literal)

Anno

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Alternative label

Bonifazzi C.; Carcagnì P.; Della Patria A.; Ferriani S.; Fontana R.; Greco M.; Mastroianni M.; Materazzi M.; Pampaloni E.; Romano A. (2006)
A scanning device for multi-spectral imaging of paintings
in Proceedings of SPIE, the International Society for Optical Engineering
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Bonifazzi C.; Carcagnì P.; Della Patria A.; Ferriani S.; Fontana R.; Greco M.; Mastroianni M.; Materazzi M.; Pampaloni E.; Romano A. (literal)

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http://spiedigitallibrary.org/proceedings/resource/2/psisdg/6062/1/60620M_1 (literal)

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Note

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Departement of Biomedical Science, University of Ferrara, via Fossato di Mortara, 44100 Ferrara, Italy CNR - Istituto Nazionale di Ottica Applicata, Sez. di Lecce, via Barsanti, 73010 Arnesano (LE), Italy Ente per le Nuove tecnologie, l'Energia e l'Ambiente (ENEA) CA.MO., via Don Fiammelli 2, 40129 Bologna, Italy CNR -Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy (literal)

Titolo

Abstract

We present a scanning device for 32-band multi-spectral imaging of paintings in the 380÷800 nm spectral region. The system is based on contact-less and single-point measurement of the spectral reflectance factor. Multi-spectral images are obtained by scanning the painted surface under investigation. An adjustment procedure was established and calibration was performed by means of a set of seven matt ceramic color tiles certified by National Physical Laboratory (UK). Colorimetric calculations were carried out in the XYZ colorimetric space, by following the CIE recommendations and choosing the D65 standard illuminant and the 1931 standard observer. Measurement campaigns were carried out on several paintings in situ and at the INOA Optical Metrology Laboratory located inside the Opificio delle Pietre Dure in Florence. As an example we report herein on the measurements carried out on the Madonna in gloria tra Santi by Andrea Mantegna, (at present in the Pinacoteque of the Castello Sforzesco in Milan). Multivariate image analyses (MIA) were performed by considering the multi-spectral images as three-way data set. The stack of detected images were unfolded in a 2D data matrix and analyzed by the conventional Principal Component Analysis (PCA). (literal)

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