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Reduction of inspection times with three-dimensional X-ray tomography of sea freight containers by utilization of compressed sensing reconstruction methods

: Sukowski, Frank; Schön, Tobias; Fuchs, Theobald; Dittmann, Jonas; Heusinger, Victoria; Moser, Stefan

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>
Fraunhofer EMI ()
Fraunhofer IIS ()
Röntgentechnologie; Rekonstruktion; Algorithmik; industrielle CT; Hochenergie-Röntgentechnologie; CT-Systeme; CT-Bildqualität; Computer-Tomografie (CT); 3D

Inspection of sea freight containers in 3-D yields many advantages over state-of-the-art 2-D imaging. In most cases, it can be a real alternative to manual inspection to clarify suspicious appearing or not identifiable regions from 2-D images. One drawback is that many projections are needed for the 3-D volume reconstruction, including much scan time and dose applied to freight. One solution to overcome such constraints is to use sophisticated reconstruction algorithms such as compressed sensing that produce a high image quality from relatively few projections.