Pietro Pala received the Laurea degree in Electronic Engineering and the Ph.D. degree in Information and Telecommunications Engineering from the University of Florence, Florence, Italy, in 1994 and 1997, respectively. He is currently an Associate Professor with the University of Florence, where he teaches Image and Video Analysis and Database Management Systems at the School of Information Engineering. His research activity has focused on the use of pattern recognition models for multimedia information retrieval and biometrics. Currently, the research activity focuses on 3D action recognition and on the study of biometric models for person recognition based on 3D facial scans.