Social Distancing Detection proposed a methodology to mitigate the spread of the coronavirus using social distance detection using YOLOv3 and YOLOv4, developed to alert people to maintain a safe distance by evaluating a pre-recorded video feed of pedestrians walking in the road. Furthermore, have also implemented an alert mechanism in which mail will be sent if the number of violations exceeds the defined limit.
Research Paper: https://link.springer.com/chapter/10.1007/978-981-99-0085-5_40