1. Department of Photogrammetry and Geoinformatics, Institute of Geodesy, Lviv Polytechnic National University, S.Bandery Str., 79013 Lviv, Ukraine
2. Department of Photogrammetry, Remote Sensing and Spatial Information Systems, Faculty of Geodesy and Cartography, Warsaw University of Technology, Pl. Politechniki 1, 00-661 Warsaw, Poland