Romeo Giuliano Eros Innocenti Franco Mazzenga Anna Maria Vegni Alessandro Vizzarri IMPERSONAL: An IoT-Aided Computer Vision Framework for Social Distancing for Health Safety. 7261-7272 2022 9 IEEE Internet Things J. 10 https://doi.org/10.1109/JIOT.2021.3097590 db/journals/iotj/iotj9.html#GiulianoIMVV22