Mahdi, M.S. et al. 2021. Detection of Unusual Activity in Surveillance Video Scenes Based on Deep Learning Strategies. Journal of Al-Qadisiyah for Computer Science and Mathematics. 13, 4 (Dec. 2021), Comp Page 1 – 9. DOI:https://doi.org/10.29304/jqcm.2021.13.4.858.