ABSTRACT
Technology of Unmanned Aircraft and helicopters (UAV) system is rapidly becoming popular in many research and industry sectors. Due to the large variability and the relatively low purchase price, unmanned systems are largely enforced in geodesy for mapping smaller areas. The article deals with the use of UAV systems for mapping of the spoil heap, which is located next to the surface quarry. Two selected UAV systems were used for mapping. The first system is eBee by company SenseFly. The second system consists of EasyStar II by Multiplex and autopilot 3DR Pixhawk B. The area of spoil heap was measured by both systems in the smallest vegetation period in a very short time range. For the photogrammetry solution, the ground control points were stabilized in the area, and determined by GNSS (method RTK). Both systems were set up similarly (overlapping, resolution) and so it was possible to compare them in output quality, processing speed and economic aspects. The best was measurement by Easystar and then the combination of all flights together from eBee. Thus, it is clear that multiple measuring by UAV can increase the accuracy and reliability of the results. In this case, the disadvantage is the longer processing, but which is, however, completely automatic nowadays. From an economic point of view, it is more advantageous to use freely available aircraft and camera with a fixed focus than the entire commercial system.
