Integration of multispectral visible-infrared imaging and pointwise X-ray fluorescence data for the analysis of a large canvas painting by Carpaccio

Year: 2020

Authors: de Manincor N., Marchioro G., Florin E., Raffaelli M., Salvadori O., Daffara C.

Autors Affiliation: ‎Dept Cultures & Civilizat, Viale Univ 4, I-37129 Verona, Italy; Univ Verona, Dept Comp Sci, Str Grazie 15, I-37134 Verona, Italy;‎ Gallerie Accademia Venezia, Sci Lab Misericordia, Cannaregio 3553, I-30121 Venice, Italy; CNR, Natl Inst Opt, Largo Enrico Fermi 6, I-50125 Florence, Italy

Abstract: In this work, we studied the canvas “The meeting of the pilgrims with the Pope” by Vittore Carpaccio fusing in a single data structure the pointwise XRF analysis with the Vis-IR multispectral data acquired on the painting. We proposed a workflow for analyzing and interpreting the data using Principal Component Analysis. The effectiveness of this approach is evaluated against the analysis of the data analyzed as separated contributions. The proposed procedure is demonstrated on the red pigments, which are predominant in this painting and in Carpaccio’s production in general, highlighting information regarding the original artist’s technique and regarding restored areas.

Journal/Review: MICROCHEMICAL JOURNAL

Volume: 153      Pages from: 104469  to: 104469

KeyWords: Artwork nondestructive diagnostics; Multispectral infrared imaging; False colour imaging; X-ray fluorescence (XRF); Principal Component Analysis (PCA)
DOI: 10.1016/j.microc.2019.104469

Citations: 8
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