1. Department of Textiles, Ghent University, Technologiepark 907, 9052 Zwijnaarde, Belgium,
2. Department of Textiles, Ghent University, Technologiepark 907, 9052 Zwijnaarde, Belgium
3. Department of Information Technology, Ghent University, St.Pietersnieuwstraat 41, 9000 Ghent, Belgium