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Proceedings Paper

Simulation-based training and testing of classification schemes for CXRS explosives detection
Author(s): Helmut Strecker
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Paper Abstract

In explosives detection with coherent x-ray scattering, radiation scattered in the forward direction at a small fixed angle is accumulated from volume voxels of interest with an energy- resolving multichannel detector. For most military and industrial explosives, the resulting scatter spectra exhibit characteristic diffraction peaks which correspond to their polycrystalline structure. The performance of a spectrum processing and classification scheme can be analyzed by simulation. The simulation is based on spectra measured with good counting statistics. It allows the influence of the following parameters or effects to be studied: 1) total photon flux, responsible for the quantum noise; 2) arbitrary mixing of the measured substances and partial volume effects; and 3) attenuation of the primary and scatter radiation.

Paper Details

Date Published: 15 September 1995
PDF: 11 pages
Proc. SPIE 2511, Law Enforcement Technologies: Identification Technologies and Traffic Safety, (15 September 1995); doi: 10.1117/12.219587
Show Author Affiliations
Helmut Strecker, Philips Research Labs. (Germany)

Published in SPIE Proceedings Vol. 2511:
Law Enforcement Technologies: Identification Technologies and Traffic Safety
Bernard Dubuisson; Geoffrey L. Harding, Editor(s)

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