Postprocessing of Infrared Reflectography to Support the Study of a Painting: The Case of Vivarini's Polyptych | Zendy

Laura Fragasso | Zendy; Nicola Masini | Zendy

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Postprocessing of Infrared Reflectography to Support the Study of a Painting: The Case of Vivarini's Polyptych

Author(s) -

Laura Fragasso,

Nicola Masini

Publication year - 2011

Publication title -

international journal of geophysics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.253

H-Index - 19

eISSN - 1687-8868

pISSN - 1687-885X

DOI - 10.1155/2011/738279

Subject(s) - painting , offset (computer science) , infrared , computer science , principal component analysis , artificial intelligence , ranging , computer vision , remote sensing , computer graphics (images) , optics , geology , art , visual arts , physics , telecommunications , programming language

Infrared (IR) reflectography is an imaging diagnostic technique widely used to study and evaluate the assessment of paintings' conservation state.The study case analyzed in this paper is related to a polyptych panel attributed to Vivarini's workshop conserved in the “Sigismondo Castromediano” Museum in Lecce. The painting's IR reflectography has been acquired through a CCD camera with spectral sensitivity ranging 400–1150 nm and manual positioning system. In order to offset the technological limits of the CCD camera, reflectograms have been processed through Principal Component Analysis and spectral indices.Postprocessing provided information related to the different pictorial drafting and restoration works, as well as emphasized graphic details and shadings, useful to improve the knowledge of the painting techniques

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