Nondestructive chemical identification using an x-ray transmission function obtained with the multi-energy method

Serge Maitrejean; Didier Perion; Dietmar Sundermann

doi:10.1117/12.312885

1 July 1998 Nondestructive chemical identification using an x-ray transmission function obtained with the multi-energy method

Serge Maitrejean, Didier Perion, Dietmar Sundermann

Author Affiliations +

Proceedings Volume 3446, Hard X-Ray and Gamma-Ray Detector Physics and Applications; (1998) https://doi.org/10.1117/12.312885
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

Citation Download Citation

Serge Maitrejean, Didier Perion, and Dietmar Sundermann "Nondestructive chemical identification using an x-ray transmission function obtained with the multi-energy method", Proc. SPIE 3446, Hard X-Ray and Gamma-Ray Detector Physics and Applications, (1 July 1998); https://doi.org/10.1117/12.312885

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