Data-Fusion for a Vision-Aided Radiological Detection System: Sensor dependence and Source Tracking Kelsey Stadnikia, Allan Martin, Kristofer Henderson, Sanjeev Koppal and Andreas Enqvist EPJ Web Conf., 170 (2018) 07013 Published online: 10 January 2018 DOI: 10.1051/epjconf/201817007013