Application of diverse hyperspectral imaging systems for evaluation of heritage objects

IRG/WP 20-10971

J Sandak, A Sandak, L Legan, K Retko, M Kavčič, J Kosel, F Poohphajai, R Herrera Diaz, V Ponnuchamy, N Sajinčič, Č Tavzes, P Ropret

Advanced imaging techniques are able to non-invasively characterize, monitor and evaluate the impact of conservation treatments on cultural heritage (CH) objects. In this specific field, hyperspectral imaging (HI) allows non-destructive characterization of materials by identifying and characterizing colouring agents, binders and protective coatings as constituents of an object’s original construction or later historical additions. Furthermore, HI can be applied for monitoring deterioration or changes due to exposure to environmental conditions. This work presents the potential of HI for evaluation of CH objects. Four cameras operating in different spectral ranges were used for non-destructive scanning of a beehive panel painting that was obtained from the collection of the Slovene Ethnographic Museum. The specific objective of this research was to identify pigments and binders present in investigated samples and to develop a database of degradation responses of CH materials to deteriorating environmental factors.


Keywords: hyperspectral imaging, cultural heritage, non-destructive testing, surface characterization, painted beehive panels

Conference: 20-06-10/11 IRG51 Webinar


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