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Proceedings Paper

3D sensing and imaging for UAVs
Author(s): Christina Grönwall; Gustav Tolt; Patrik Lif; Håkan Larsson; Fredrik Bissmarck; Michael Tulldahl; Markus Henriksson; Per Wikberg; Mirko Thorstensson
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Paper Abstract

This paper summarizes on-going work on 3D sensing and imaging for unmanned aerial vehicles UAV carried laser sensors. We study sensor concepts, UAVs suitable for carrying the sensors, and signal processing for mapping and target detection applications. We also perform user studies together with the Swedish armed forces, to evaluate usage in their mission cycle and interviews to clarify how to present data. Two ladar sensor concepts for mounting in UAV are studied. The discussion is based on known performance in commercial ladar systems today and predicted performance in future UAV applications. The small UAV is equipped with a short-range scanning ladar. The system is aimed for quick situational analysis of small areas and for documentation of a situation. The large UAV is equipped with a high-performing photon counting ladar with matrix detector. Its purpose is to support large-area surveillance, intelligence and mapping operations. Based on these sensors and their performance, signal and image processing support for data analysis is analyzed. Generated data amounts are estimated and demands on data storage capacity and data transfer is analyzed. We have tested the usage of 3D mapping together with military rangers. We tested to use 3D mapping in the planning phase and as last-minute intelligence update of the target. Feedback from these tests will be presented. We are performing interviews with various military professions, to get better understanding of how 3D data are used and interpreted. We discuss approaches of how to present data from 3D imaging sensor for a user.

Paper Details

Date Published: 16 October 2015
PDF: 15 pages
Proc. SPIE 9649, Electro-Optical Remote Sensing, Photonic Technologies, and Applications IX, 96490C (16 October 2015); doi: 10.1117/12.2192834
Show Author Affiliations
Christina Grönwall, FOI-Swedish Defence Research Agency (Sweden)
Gustav Tolt, FOI-Swedish Defence Research Agency (Sweden)
Patrik Lif, FOI-Swedish Defence Research Agency (Sweden)
Håkan Larsson, FOI-Swedish Defence Research Agency (Sweden)
Fredrik Bissmarck, FOI-Swedish Defence Research Agency (Sweden)
Michael Tulldahl, FOI-Swedish Defence Research Agency (Sweden)
Markus Henriksson, FOI-Swedish Defence Research Agency (Sweden)
Per Wikberg, FOI-Swedish Defence Research Agency (Sweden)
Mirko Thorstensson, FOI-Swedish Defence Research Agency (Sweden)

Published in SPIE Proceedings Vol. 9649:
Electro-Optical Remote Sensing, Photonic Technologies, and Applications IX
Gary Kamerman; Ove Steinvall; Keith L. Lewis; John D. Gonglewski, Editor(s)

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