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Proceedings Paper

Nondestructive chemical identification using an x-ray transmission function obtained with the multi-energy method
Author(s): Serge Maitrejean; Didier Perion; Dietmar Sundermann
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Paper Abstract

In this paper a new kind of process of ranking x-ray transmission information in the range 20 - 150 keV is described. This ranking method can be applied to other energy ranges and to other particles. Based on a classical statistical method, Principal Component Analysis, it can be applied to continuous transmission measurement as multi- energy method. In this case, the effective Z sensitivity is in the neighboring of 0.001, i.e. 5 times better than the classical dual-energy method. A x-ray imaging application: the explosive device detection systems of Heimann systems is described using both multi-energy model and this ranking process. It provides good quality radiographic images and accurate chemical identification. The entire methodology described in the article is covered by three international patents.

Paper Details

Date Published: 1 July 1998
PDF: 19 pages
Proc. SPIE 3446, Hard X-Ray and Gamma-Ray Detector Physics and Applications, (1 July 1998); doi: 10.1117/12.312885
Show Author Affiliations
Serge Maitrejean, Biospace Instruments (France)
Didier Perion, Heimann Systems SA (France)
Dietmar Sundermann, General Electric Medical Systems (France)

Published in SPIE Proceedings Vol. 3446:
Hard X-Ray and Gamma-Ray Detector Physics and Applications
F. Patrick Doty; Richard B. Hoover, Editor(s)

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