Using reflectance spectra allows to compare the pigment mixtures in paintings. In order to improve the actual subjective spectral comparison, we propose to use spectral similarity measures. The Kullback-Leibler spectral Pseudo-Divergence (KLPD) is selected due to his expected metrological properties. The comparison between a subjective assessment and the objective assessment is developed for mixture of pigments coming from a cultural heritage painting. The obtained results show the good quality of the relationship between the subjective results and the objective ones using the KLPD.
Spectral Divergence for Cultural Heritage applications / A. Plutino, R. Noël, D. Hilda, C. Fernandez-Maloigne, N.G. Ludwig - In: Twenty-fifth Color and Imaging[s.l] : IS&T, 2017 Sep 11. - ISBN 9780892083282. (( Intervento presentato al 25. convegno Twenty-fifth Color and Imaging Conference tenutosi a Lillehammer nel 2017.
Spectral Divergence for Cultural Heritage applications
A. Plutino
Primo
;N.G. Ludwig
2017
Abstract
Using reflectance spectra allows to compare the pigment mixtures in paintings. In order to improve the actual subjective spectral comparison, we propose to use spectral similarity measures. The Kullback-Leibler spectral Pseudo-Divergence (KLPD) is selected due to his expected metrological properties. The comparison between a subjective assessment and the objective assessment is developed for mixture of pigments coming from a cultural heritage painting. The obtained results show the good quality of the relationship between the subjective results and the objective ones using the KLPD.
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