Rik Van de Walle received his M.Sc. and PhD degrees in Engineering from Ghent University, Belgium in 1994 and 1998 respectively. After a visiting scholarship at the University of Arizona (Tucson, USA), he returned to Ghent University, where he became professor of multimedia systems and applications, and head of theMultimedia Lab. His current research interests include multimedia content delivery, presentation and archiving, coding and description of multimedia data, content adaptation, and interactive (mobile) multimedia applications