Database of High-Z Signatures in Cargo

Bentley, Ron
May 2012
Homeland Security Affairs;May2012 Supplement, Vol. 8, p26
Academic Journal
Results from comprehensive testing of two prototype dual-energy (6 and 9 MeV) cargo inspection systems provide large databases of signature information of various high atomic number objects (active interrogation benchmarks) hidden in representative cargos. Test objects were fabricated from lead, tungsten and uranium ranging in size from 75 to 430,000 cm3. ISO containers were filled with eighteen selected cargos that varied in density and complexity. These databases, collected by the Domestic Nuclear Detection Office Cargo Advanced Automated Radiography System (CAARS) Program, provide a rich source of signature information that can be used to develop automated and user-assist detection algorithms.


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