Stefania Altini Vasileios Mygdalis Ioannis Pitas AdvRevGAN: On Reversible Universal Adversarial Attacks for Privacy Protection Applications. 1-6 2023 MLSP https://doi.org/10.1109/MLSP55844.2023.10285963 conf/mlsp/2023 db/conf/mlsp/mlsp2023.html#AltiniMP23