Human Activity Recognition using Machine Learning Techniques. - Vasileios Nastos; Alexandros Arjmand; Klevis Tsakai; Dimitrios Dimopoulos; Dimitrios Varvarousis; Alexandros T. Tzallas; Nikolaos Giannakeas; Avraam Ploumis; Christos Gogos (SEEDA-CECNSM, 2022)