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Results of ACTIM: an EDA study on spectral laser imaging
Onera – The French Aerospace Lab, Toulouse, France.
Onera – The French Aerospace Lab, Toulouse, France.
Onera – The French Aerospace Lab, Toulouse, France.
Onera – The French Aerospace Lab, Toulouse, France.
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2011 (English)In: Proc. SPIE 8186, Electro-Optical Remote Sensing, Photonic Technologies, and Applications V / [ed] Gary W. Kamerman; Ove Steinvall; Gary J. Bishop; John D. Gonglewski; Keith L. Lewis; Richard C. Hollins; Thomas J. Merlet, SPIE - International Society for Optical Engineering, 2011, Art.nr 8186A-25- p.Conference paper (Refereed)
Abstract [en]

The European Defence Agency (EDA) launched the Active Imaging (ACTIM) study to investigate the potential of active imaging, especially that of spectral laser imaging. The work included a literature survey, the identification of promising military applications, system analyses, a roadmap and recommendations.   Passive multi- and hyper-spectral imaging allows discriminating between materials. But the measured radiance in the sensor is difficult to relate to spectral reflectance due to the dependence on e.g. solar angle, clouds, shadows... In turn, active spectral imaging offers a complete control of the illumination, thus eliminating these effects. In addition it allows observing details at long ranges, seeing through degraded atmospheric conditions, penetrating obscurants (foliage, camouflage…) or retrieving polarization information. When 3D, it is suited to producing numerical terrain models and to performing geometry-based identification. Hence fusing the knowledge of ladar and passive spectral imaging will result in new capabilities.  We have identified three main application areas for active imaging, and for spectral active imaging in particular: (1) long range observation for identification, (2) mid-range mapping for reconnaissance, (3) shorter range perception for threat detection. We present the system analyses that have been performed for confirming the interests, limitations and requirements of spectral active imaging in these three prioritized applications.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2011. Art.nr 8186A-25- p.
Series
, Proceedings of SPIE, ISSN 0277-786X ; 8186
Keyword [en]
laser imaging, active imaging, hyperspectral, multispectral, laser, imaging, lidar, ladar
National Category
Remote Sensing
Identifiers
URN: urn:nbn:se:liu:diva-120508DOI: 10.1117/12.903672ISBN: 9780819488145OAI: oai:DiVA.org:liu-120508DiVA: diva2:845463
Conference
Electro-Optical Remote Sensing, Photonic Technologies, and Applications V, Prague, Czech Republic, 19 and 21–22 September 2011
Available from: 2015-08-12 Created: 2015-08-12 Last updated: 2015-09-22Bibliographically approved

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Ahlberg, Jörgen
Remote Sensing

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