3D laser sensing at FOI: overview and a system perspective

Ove K. Steinvall; Lena M. Klasen; Christina Anna Gronwall; Ulf Soderman; Simon Ahlberg; Asa Persson; Magnus Elmqvist; Hakan Larsson; Dietmar Letalick; Pierre Andersson; Tomas Carlsson; Markus Henriksson

doi:10.1117/12.553808

13 September 2004 3D laser sensing at FOI: overview and a system perspective

Ove K. Steinvall, Lena M. Klasen, Christina Anna Gronwall, Ulf Soderman, Simon Ahlberg, Asa Persson, Magnus Elmqvist, Hakan Larsson, Dietmar Letalick, Pierre Andersson, Tomas Carlsson, Markus Henriksson

Author Affiliations +

Proceedings Volume 5412, Laser Radar Technology and Applications IX; (2004) https://doi.org/10.1117/12.553808
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

This paper wil give an overview of 3D laser sensing and related activities at the Swedish Defence Research Agency (FOI) in the view of system needs and applications. Our activites include data collection of laser signatures for target and backgrounds at various wavelengths. We will give examples of such measurements. The results are used in building sythetic environments, modellin of laser radar systems and as training sets for development of algorithms for target recognition and weapon applications. Present work on rapid environment assessment includes the use of data from airborne laser for terrain mapping and depth sounding. Methods for automatic target detection and object classification (buildings, trees, man-made objects etc.) have been developed together with techniques for visualisation. This will be described in more detail in a separate paper. The ability to find and correctly identify "difficult" targets, being either at very long ranges, hidden in the vegetation, behind windows or under camouflage, is one of the top priorities for any military force. Example of such work will be given using range gated imagery and 3D scanning laser radars. Different kinds of signal processing approaches have been studied and will be presented more in two separate papers. We have also developed modeling tools for both 2D and 3D laser imaging. Finally we will discuss the use of 3D laser radars in some system applications in the light of new component technology, processing needs and sensor fusion.

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Ove K. Steinvall, Lena M. Klasen, Christina Anna Gronwall, Ulf Soderman, Simon Ahlberg, Asa Persson, Magnus Elmqvist, Hakan Larsson, Dietmar Letalick, Pierre Andersson, Tomas Carlsson, and Markus Henriksson "3D laser sensing at FOI: overview and a system perspective", Proc. SPIE 5412, Laser Radar Technology and Applications IX, (13 September 2004); https://doi.org/10.1117/12.553808

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