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Few-view X-ray 3D computed tomography for security applications with the example of sea freight containers

: Heusinger, V.; Moser, S.; Nau, S.; Langkemper, R.; Fuchs, T.; Sukowski, F.; Leismann, T.; Thoma, K.

Volltext urn:nbn:de:0011-n-3106158 (2.3 MByte PDF)
MD5 Fingerprint: 2b36cd05d0c71f109e3898a11e4bc2d6
Erstellt am: 29.10.2014

Thoma, K. (Ed.); Häring, I. (Ed.); Leismann, T. (Ed.) ; Fraunhofer-Institut für Kurzzeitdynamik, Ernst-Mach-Institut -EMI-, Freiburg/Brsg.:
9th Future Security 2014. Security Research Conference : September 16 – 18, 2014, Berlin; Proceedings
Stuttgart: Fraunhofer Verlag, 2014
ISBN: 978-3-8396-0778-7
ISBN: 3-8396-0778-7
Security Research Conference "Future Security" <9, 2014, Berlin>
Bundesministerium für Bildung und Forschung BMBF
39136; ECSIT
Konferenzbeitrag, Elektronische Publikation
Fraunhofer EMI ()

X-ray imaging techniques are one of the core technologies for several security and safety applications. 3D computed tomography (CT) as a high-end scanning method offers advantages over conventional 2D imaging in that it is able to identify overlapping objects. However, 3D X-ray techniques are not yet widely used because of the technical and economic challenges regarding the required hard- and software. The method of few-view tomography, which is presented in this paper, tackles this problem by reducing time consumption and cost of 3D analyses, while keeping an adequate image quality. For this, optimized scanning trajectories as well as an advanced algebraic reconstruction technique (ART) are needed. Both points are discussed in this paper and results from the scanning of a 10 ft sea freight container are presented. It is possible to achieve reasonable image quality with only 10 % of the projections of the conventional data set.