Inspection system and spatial resolution technique for...

Details Inspection system and spatial resolution technique for... Inspection system and spatial resolution technique for...

G - Physics

01

N

G01N 23/05 (2006.01) G01N 23/04 (2006.01) G01N 23/06 (2006.01) G01V 5/00 (2006.01) G06T 7/00 (2006.01)

Patent

CA 2204010

X-ray CT (computed tomography) and neutron interrogation (NI) are combined to provide an inspection system (100) and spatial resolution technique for detecting explosives. X-ray CT (510) is used to derive a physical density map of a bag (B). The density map from X-ray CT (510) and data from neutron interrogation (520) is used to generate three-dimensional maps of the chemical make-up of the bag (B) contents. Information from the X-ray CT procedure is also used to focus the neutron interrogation on particularly suspect regions of interest in the bag (B).

La tomodensitométrie et l'interrogation neutronique sont combinées pour former un système d'inspection (1000) et une technique de résolution spatiale pour la détection d'explosifs. La tomodensitométrie (510) est utilisée pour dériver une carte de densité physique d'un sac (B). Cette carte de densité obtenue à partir de la tomodensitométrie (510) et de l'interrogation neutronique sert à produire des cartes en trois dimensions de la constitution chimique du contenu du sac (B). Les informations obtenues à partir de la procédure de tomodensitométrie servent également à concentrer l'interrogation neutronique sur des zones particulièrement suspectes du sac (B)

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