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2018
Conference Paper
Title
Infrared and Terahertz time-domain imaging for evaluation of impacted thick homogeneous particleboards of sugarcane bagasse
Abstract
In this paper, both infrared thermography (IRT) and terahertz time-domain imaging (THz-TDI) were used to evaluate impacted homogeneous particleboards of sugarcane bagasse (SCB), which have the thickness of 2 cm. In this study, the THz data were processed by applying the well-known image processing algorithms used in IRT. The comparative results show that IRT can provide some finer details in the detection of shallow thermal imprints; however, it is difficult to reveal deeper (typically ~1 cm) information. On the contrary, THz-TDI may explore the entire thickness of the samples, although - for this specific study - its resolution is lower. In addition, THz-TDI has the advantage to detect resin-rich and fibre-rich regions.
Author(s)
Zhang, Hai
Department of Electrical and Computer Engineering, Computer Vision and Systems Laboratory (CVSL), Laval University, Quebec City, Canada /
Sfarra, Stefano
Department of Industrial and Information Engineering and Economics, University of L'Aquila, L'Aquila, Italy
Sarasini, Fabrizio
Department of Chemical Engineering Materials Environment & UDR INSTM, Sapienza University of Rome, Rome, Italy