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Sensors 2016, 16(3), 283; doi:10.3390/s16030283

Registration of Feature-Poor 3D Measurements from Fringe Projection

1
Institute for Information Technology and Communications (IIKT), Otto-von-Guericke University, PO Box 4120, 39016 Magdeburg, Germany
2
Department of Software Engineering, College of Computer Science and Information Sciences, King Saud University, Riyadh 11451, Saudi Arabia
*
Author to whom correspondence should be addressed.
Academic Editor: Gonzalo Pajares Martinsanz
Received: 20 November 2015 / Revised: 19 February 2016 / Accepted: 19 February 2016 / Published: 24 February 2016
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [4600 KB, uploaded 9 March 2016]   |  

Abstract

We propose a novel method for registration of partly overlapping three-dimensional surface measurements for stereo-based optical sensors using fringe projection. Based on two-dimensional texture matching, it allows global registration of surfaces with poor and ambiguous three-dimensional features, which are common to surface inspection applications. No prior information about relative sensor position is necessary, which makes our approach suitable for semi-automatic and manual measurement. The algorithm is robust and works with challenging measurements, including uneven illumination, surfaces with specular reflection as well as sparsely textured surfaces. We show that precisions of 1 mm and below can be achieved along the surfaces, which is necessary for further local 3D registration. View Full-Text
Keywords: optical 3D sensor; stereo vision; 3D registration; surface measurement; fringe projection optical 3D sensor; stereo vision; 3D registration; surface measurement; fringe projection
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

von Enzberg, S.; Al-Hamadi, A.; Ghoneim, A. Registration of Feature-Poor 3D Measurements from Fringe Projection. Sensors 2016, 16, 283.

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