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Sensors 2013, 13(8), 11069-11084; doi:10.3390/s130811069

Modulated Acquisition of Spatial Distortion Maps

1
Alpineon d.o.o., Ul. Iga Grudna 15, Ljubljana 1000, Slovenia
2
Jožef Stefan Institute and Jožef Stefan International Postgraduate School, Jamova c. 39, Ljubljana 1000, Slovenia
*
Author to whom correspondence should be addressed.
Received: 27 June 2013 / Revised: 29 July 2013 / Accepted: 19 August 2013 / Published: 21 August 2013
(This article belongs to the Section Physical Sensors)
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Abstract

This work discusses a novel approach to image acquisition which improves the robustness of captured data required for 3D range measurements. By applying a pseudo-random code modulation to sequential acquisition of projected patterns the impact of environmental factors such as ambient light and mutual interference is significantly reduced. The proposed concept has been proven with an experimental range sensor based on the laser triangulation principle. The proposed design can potentially enhance the use of this principle to a variety of outdoor applications, such as autonomous vehicles, pedestrians’ safety, collision avoidance, and many other tasks, where robust real-time distance detection in real world environment is crucial. View Full-Text
Keywords: 3D vision; range sensors; triangulation; laser scanning; modulation; CDMA 3D vision; range sensors; triangulation; laser scanning; modulation; CDMA
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

Volkov, A.; Gros, J.Ž.; Žganec, M.; Javornik, T.; Švigelj, A. Modulated Acquisition of Spatial Distortion Maps. Sensors 2013, 13, 11069-11084.

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