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Proceedings Paper

Passive signatures concealed objects recorded by multispectral and hyperspectral systems in visible, infrared and terahertz range
Author(s): Mariusz Kastek; Marcin Kowalski; Henryk Polakowski; Philippe Lagueux; Marc-André Gagnon
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Paper Abstract

Risks to the safety of public zones (generally available for people) are related mainly to the presence of hidden dangerous objects (such as knives, guns, bombs etc.) and their usage. Modern system for the monitoring of such zones attempt to detect dangerous tools using multispectral cameras working in different spectral ranges: the visible radiation, near, medium and long range infrared and recently also in terahertz range. In order to develop methods and algorithms to detect hidden objects it is necessary to determine the thermal signatures of such objects of interest. The laboratory measurements were conducted to determine the thermal signatures of dangerous tools hidden under various clothes in different ambient conditions. Cameras used for measurements were working in spectral range 0.6-12.5 µm. An infrared imaging Fourier transform spectroradiometer was also used, working in spectral range 7.7-11.7 µm. Analysis of registered thermograms and hyperspectral datacubes has yielded the thermal signatures for: two types of guns, two types of knives and home-made explosive bombs. The determined thermal signatures will be used in the development of method and algorithms of image analysis implemented in proposed monitoring systems.

Paper Details

Date Published: 4 June 2014
PDF: 8 pages
Proc. SPIE 9082, Active and Passive Signatures V, 90820A (4 June 2014); doi: 10.1117/12.2049803
Show Author Affiliations
Mariusz Kastek, Military Univ. of Technology (Poland)
Marcin Kowalski, Military Univ. of Technology (Poland)
Henryk Polakowski, Military Univ. of Technology (Poland)
Philippe Lagueux, Telops (Canada)
Marc-André Gagnon, Telops (Canada)


Published in SPIE Proceedings Vol. 9082:
Active and Passive Signatures V
G. Charmaine Gilbreath; Chadwick Todd Hawley, Editor(s)

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