Comparison of simulated and experimental 3D laser images using a GmAPD array: application to long range detection

Antoine Coyac; Nicolas Riviere; Laurent Hespel; Xavier Briottet

doi:10.1117/12.2223603

13 May 2016 Comparison of simulated and experimental 3D laser images using a GmAPD array: application to long range detection

Antoine Coyac, Nicolas Riviere, Laurent Hespel, Xavier Briottet

Author Affiliations +

Proceedings Volume 9832, Laser Radar Technology and Applications XXI; 983205 (2016) https://doi.org/10.1117/12.2223603
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

Abstract

In this paper, we show the feasibility and the benefit to use a Geiger-mode Avalanche Photo-Diode (GmAPD) array for long range detection, up to several kilometers. A simulation of a Geiger detection sensor is described, which is a part of our end-to-end laser simulator, to generate simulated 3D laser images from synthetic scenes. Resulting 3D point clouds have been compared to experimental acquisitions, performed with our GmAPD 3D camera on similar scenarios. An operational case of long range detection is presented: a copper cable outstretched above the ground, 1 kilometer away the experimental system and with a horizontal line-of-sight (LOS). The detection of such a small object from long distance observation strongly suggests that GmAPD focal plane arrays could be easily used for real-time 3D mapping or surveillance applications from airborne platforms, with good spatial and temporal resolutions.

Citation Download Citation

Antoine Coyac, Nicolas Riviere, Laurent Hespel, and Xavier Briottet "Comparison of simulated and experimental 3D laser images using a GmAPD array: application to long range detection", Proc. SPIE 9832, Laser Radar Technology and Applications XXI, 983205 (13 May 2016); https://doi.org/10.1117/12.2223603

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