1. Institute of Theoretical and Applied Informatics Polish Academy of Sciences, Baltycka 5,Gliwice,Poland,44–100
2. Vision and Digital Systems Silesian University of Technology, Akademicka 16,Department of Computer Graphics,Gliwice,Poland,44–100
3. Renewable Energy Laboratory University of Dschang,Dschang,Cameroon
4. University of Twente,Netherlands
5. Riga Technical University,Latvia
6. TalTech,Estonia