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Standoff detection of dangerous and illegal objects and substances concealed beneath clothes on the basis of electromagnetic centimetre- and millimetre waves and electronic nose

: Dobmann, G.; Altpeter, I.; Kröning, M.; Ratius, B.; Sklarczyk, C.

Beyerer, J. ; Fraunhofer Verbund Verteidigungs- und Sicherheitsforschung:
Future security. 2nd Security Research Conference 2007 : 12th-14th September, Karlsruhe, Germany
Karlsruhe: Universitätsverlag Karlsruhe, 2007
ISBN: 3-86644-147-9
ISBN: 978-3-86644-147-7
Security Research Conference "Future Security" <2, 2007, Karlsruhe>
Conference Paper
Fraunhofer IZFP ()
concealed weapon

The concept of a system for standoff detection of concealed hazardous objects like explosives, weapons or drugs is presented. It is based on a combination of three-dimensional imaging of innocuous electromagnetic waves and a spectrometer integrated into the system ("electronic nose"). The imaging method detects the suspicious object according to contrast and shape, the electronic nose provides for a targeted analysis and identification. For the latter, several methods come into question, like the Ion Mobility Spectrometry (IMS) or the spectrometry with Quantum Cascade Laser (QCL). The complete scanning time of the system will be in the range of a few seconds.