Silvio Barra was born in Battipaglia, Salerno, ITALY in 1985. In 2012 he received the Laurea degree (cum laude) in Computer Science from the University of Salerno. He received the Ph.D degree in 2016 from the University of Cagliari, ITALY, with a thesis above a multimodal biometric system. During his Ph.D he spent one year at SOCIALab of Universidad da Beira Interior, Covilhã, Portugal, working on video surveillance topics like tracking and calibration methods. His main research interests include biometrics, pattern recognition, videosurveillance systems and tracking. He is member of GIRPR.

Arcangelo Castiglione received the B.S., M.S. and Ph.D. degrees in computer science from the University of Salerno. In 2015 he was a Visiting Researcher at the Laboratory of Cryptography and Cognitive Informatics, AGH University of Science and Technology, Krakow, Poland. Currently he is a Post-Doctoral Fellow in computer science with the Dipartimento di Informatica, University of Salerno. His research mainly focuses on cryptography, multimedia data protection and network security

Kim-Kwang Raymond Choo holds the Cloud Technology Endowed Professorship at the University of Texas at San Antonio. His research interests include cyber and information security and digital forensics. He has a PhD in information security from Queensland University of Technology, Australia, and is a fellow of the Australian Computer Society and a senior member of IEEE.

Fabio Narducci was born in Caserta, Italy, in 1985. He received the Laurea degree (cum laude) in Computer Science from the University of Salerno, in 2006 and the Ph.D. degree in Computer Science at the Virtual Reality Lab (VRLab) of the University of Salerno, in 2015. His phd research study was funded by Selex Electronic Systems (an international company of Finmeccanica Group, leader in electronic and information technologies for aerospace defence systems and land security). His research interests include biometrics, gesture recognition, augmented reality and virtual environments, mobile and wearable computing, human computer interaction, haptics. He is member of GIRPR.