Detecting Unauthorized Movement of Radioactive Material Packages in Transport with an Adam-Optimized BP Neural Network Model. - Jiang, Panpan; Yang, Xiaohua; Wan, Yaping; Zeng, Tiejun; Nie, Mingxing; Wang, Chaofeng; Mao, Yu; Liu, Zhenghai (Science & Technology of Nuclear Installations, 2023)