Special Section on Image Processing for Cultural Heritage

Hyperspectral imaging as a technique for investigating the effect of consolidating materials on wood

[+] Author Affiliations
Giuseppe Bonifazi, Silvia Serranti, Giuseppe Capobianco

Sapienza University of Rome, Department of Chemical Engineering, Materials and Environment, Via Eudossiana, 28-00184 Rome, Italy

Giorgia Agresti, Ulderico Santamaria, Claudia Pelosi

University of Tuscia, Department of Economy and Enterprise, Via San Camillo De Lellis snc, 01100 Viterbo, Italy

Luca Calienno, Rodolfo Picchio, Angela Lo Monaco

University of Tuscia, Department of Agricultural and Forestry Sciences, Via San Camillo De Lellis snc, 01100 Viterbo, Italy

J. Electron. Imaging. 26(1), 011003 (Oct 15, 2016). doi:10.1117/1.JEI.26.1.011003
History: Received June 2, 2016; Accepted September 27, 2016
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Abstract.  The focus of this study was to investigate the potential of hyperspectral imaging (HSI) in the monitoring of commercial consolidant products applied on wood samples. Poplar (Populus spp.) and walnut (Juglans Regia L.) were chosen for the consolidant application. Both traditional and innovative products were selected, based on acrylic, epoxy, and aliphatic compounds. Wood samples were stressed by freeze/thaw cycles in order to cause material degradation without the loss of wood components. Then the consolidant was applied under vacuum. The samples were finally artificially aged for 168 h in a solar box chamber. The samples were acquired in the short wave infrared (1000 to 2500 nm) range by SISUChema XL™ device (Specim, Finland) after 168 h of irradiation. As comparison, color measurement was also used as an economic, simple, and noninvasive technique to evaluate the deterioration and consolidation effects on wood. All data were then processed adopting a chemometric approach finalized to define correlation models, HSI based, between consolidating materials, wood species, and short-time aging effects.

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Citation

Giuseppe Bonifazi ; Silvia Serranti ; Giuseppe Capobianco ; Giorgia Agresti ; Luca Calienno, et al.
"Hyperspectral imaging as a technique for investigating the effect of consolidating materials on wood", J. Electron. Imaging. 26(1), 011003 (Oct 15, 2016). ; http://dx.doi.org/10.1117/1.JEI.26.1.011003


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