Abstract
Detection of special nuclear materials (SNM) in cargo containers is an integral component of homeland security. In this paper a new algorithm is proposed for detecting such materials in containers filled with liquids. Use of imaging, acoustic interrogation and fuzzy logic algorithms support intelligent decision making. The method is tested for a comprehensive scenario of detecting depleted uranium in water. Cargo containers carrying liquids provide objective difficulties when imposed to manual search. The state of the interior (liquid) and its properties (flow, toxic, not transparent) make it difficult to access such containers by humans searching for hidden materials. So, the need for accurate and fast detection is increased and in the present work it is addressed through a new algorithm using fuzzy logic tools (7). In this paper we present first the scenario for scanning protocol, and the intelligent detection module based on that scenario. The efficiency and applicability of the methodology to liquid- carrying containers is demonstrated and validation results are presented.
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