1. Faculty of Applied Informatics, Department of Security Engineering , Tomas Bata University in Zlín , 760 01 Zlín , nám. T. G. Masaryka 5555, Czech Republic
2. Faculty of Applied Informatics, Department of Automation and Control Engineering , Tomas Bata University in Zlín , 760 01 Zlín , nám. T. G. Masaryka 5555, Czech Republic
3. Faculty of Mechanical Engineering, Institute of Automation, Measurements and Applied Informatics , Slovak Technical University , 81243 Bratislava , Nám. Slobody 17,