Haryadi, E. A., Jati, G., Husodo, A. Y., & Jatmiko, W. (2021). Low-Cost Camera-Based Smart Surveillance System for Detecting, Recognizing, and Tracking Masked Human Face. International Journal of Interactive Mobile Technologies (iJIM), 15(23), pp. 104–119. https://doi.org/10.3991/ijim.v15i23.22725