Simulation-based training and testing of classification schemes for CXRS explosives detection

Helmut Strecker

doi:10.1117/12.219587

15 September 1995 Simulation-based training and testing of classification schemes for CXRS explosives detection

Helmut Strecker

Proceedings Volume 2511, Law Enforcement Technologies: Identification Technologies and Traffic Safety; (1995) https://doi.org/10.1117/12.219587
Event: European Symposium on Optics for Environmental and Public Safety, 1995, Munich, Germany

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.

Citation Download Citation

Helmut Strecker "Simulation-based training and testing of classification schemes for CXRS explosives detection", Proc. SPIE 2511, Law Enforcement Technologies: Identification Technologies and Traffic Safety, (15 September 1995); https://doi.org/10.1117/12.219587

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