Inline hybrid CT + XRD for full-tunnel baggage scanning and false alarm reduction

Greenberg, Joel A.; Carpenter, Joshua H.; Kruger, Alan; Dudley, Colt; Foster, Matthew S.; Moody, Ryan M.; Gehm, Michael E.; Coccarelli, David; Kapadia, Anuj J.

doi:10.1117/12.2619022

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The Case For Xrd1

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2023

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“…No matter how refined a system is, limitations to distinguish materials exist because of overlapping characteristics pertaining to these properties. XRD information can provide information that is complementary to this transmission data [3,4].…”

Section: The Case For Xrdmentioning

confidence: 99%

Performance of a high-throughput full-tunnel XRD checked baggage scanning system

Coccarelli¹,

Dudley²,

Pike³

et al. 2023

Anomaly Detection and Imaging With X-Rays (ADIX) VIII

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X-ray diffraction imaging (XRDI) offers the potential for reduced false alarm rates, increased throughputs, and more sensitive explosives detection performance in aviation security applications. The deployment of computed tomography (CT) systems across carry-on and checked baggage screening lanes has both reinforced the need for orthogonal detection technologies and created an exciting new opportunity for the implementation of XRDI. Our team at Quadridox built a novel XRDI system that, when combined with a CT system, realizes full-tunnel assessment of checked bags at a belt speed of 20 cm/s. We integrated our XRDI system with a Smiths CTX 5800 explosives detection system (EDS) and collected bag data containing both benign and threat objects. We describe the XRDI system, show examples of the resulting hybrid CT and XRD dataset, and present performance results for the hybrid system.

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Section: The Case For Xrdmentioning

confidence: 99%