1. Institute of Geonics, Academy of Sciences of Czech Republic, Ostrava, Brno branch, Drobného Str. 28, 60200 Brno, Czech Republic
2. Department of Geoinformation Technologies, Faculty of Forestry and Wood Technology, Mendel University, Zemědělská Str. 3, 61300 Brno, Czech Republic
3. Institute of Geonics, Academy of Sciences of Czech Republic, Ostrava, Studentská Str. 1768, 70800 Ostrava, Czech Republic
4. Department of Regional Development and Public Administration, Faculty of Regional Development and International Studies, Mendel University , tř. Gen. Píky Str. 7, 613 00 Brno, Czech Republic