He has graduated from the School of Electrical and Computer Engineering, the National Technical University of Athens in 1994 and received his Ph.D degree, in Image Analysis and Synthesis, in 2000 from the same University. He is a member of the Technical Chambers of Greece and Cyprus and a member of IEEE Signal Processing and Communication societies. He has published more than 140 papers in international journals, book chapters and proceedings of international conferences (see ORCID). His research has been recognized by the international research community through more than 2500 independent citations (Scholar Google).