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Sensors 2010, 10(6), 5949-5961; doi:10.3390/s100605949

Application of a Hybrid 3D-2D Laser Scanning System to the Characterization of Slate Slabs

1
Department of Mechanical Engineering, University of Vigo, 36310 Vigo, Spain
2
Department of Environmental Engineering, University of Vigo, 36310 Vigo, Spain
3
Department of Statistics, University of Vigo, 36310 Vigo, Spain
*
Author to whom correspondence should be addressed.
Received: 19 April 2010 / Revised: 21 April 2010 / Accepted: 11 May 2010 / Published: 14 June 2010
(This article belongs to the Special Issue Photodetectors and Imaging Technologies)
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Abstract

Dimensional control based on 3D laser scanning techniques is widely used in practice. We describe the application of a hybrid 3D-2D laser scanning system to the characterization of slate slabs with structural defects that are difficult for the human eye to characterize objectively. Our study is based on automating the process using a 3D laser scanner and a 2D camera. Our results demonstrate that the application of this hybrid system optimally characterizes slate slabs in terms of the defects described by the Spanish UNE-EN 12326-1 standard.
Keywords: laser scanner; slate slabs; tsai calibration; digital camera laser scanner; slate slabs; tsai calibration; digital camera
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

López, M.; Martínez, J.; Matías, J.M.; Vilán, J.A.; Taboada, J. Application of a Hybrid 3D-2D Laser Scanning System to the Characterization of Slate Slabs. Sensors 2010, 10, 5949-5961.

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