Affiliation: | 1. DETI/IEETA, University of Aveiro, Aveiro, PortugalAuthors, except the first and second, are listed in alphabetical order of their surnames.;2. University of Strasbourg, Strasbourg, France;3. The National Centre for Computer Animation, Bournemouth University, Poole, UK;4. Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava, Slovak Republic;5. Institute of Computer Graphics and Algorithms, TU Wien, Austria;6. Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czech Republic;7. Blekinge Institute of Technology, Karlskrona, Sweden |