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Sensors 2014, 14(11), 20041-20063;

Structured-Light Sensor Using Two Laser Stripes for 3D Reconstruction without Vibrations

Department of Computer Science and Engineering, University of Oviedo, Campus de Viesques, Gijón 33204, Asturias, Spain
Author to whom correspondence should be addressed.
Received: 22 July 2014 / Revised: 30 September 2014 / Accepted: 11 October 2014 / Published: 24 October 2014
(This article belongs to the Section Physical Sensors)
Full-Text   |   PDF [11556 KB, uploaded 24 October 2014]


3D reconstruction based on laser light projection is a well-known method that generally provides accurate results. However, when this method is used for inspection in uncontrolled environments, it is greatly affected by vibrations. This paper presents a structured-light sensor based on two laser stripes that provides a 3D reconstruction without vibrations. Using more than one laser stripe provides redundant information than is used to compensate for the vibrations. This work also proposes an accurate calibration process for the sensor based on standard calibration plates. A series of experiments are performed to evaluate the proposed method using a mechanical device that simulates vibrations. Results show excellent performance, with very good accuracy. View Full-Text
Keywords: structured light; calibration; 3D reconstruction; vibrations structured light; calibration; 3D reconstruction; vibrations
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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MDPI and ACS Style

Usamentiaga, R.; Molleda, J.; Garcia, D.F. Structured-Light Sensor Using Two Laser Stripes for 3D Reconstruction without Vibrations. Sensors 2014, 14, 20041-20063.

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