Abstract
The rapid development of Unmanned Aerial Vehicles (UAV) throughout the 21st century, and the advantages of using such systems for photogrammetric measurements, has made photogrammetry a generally more acceptable and promising branch of geodesy. The prices of professional unmanned aerial vehicles have become more affordable lately, making UAV photogrammetry more economical than traditional aerial photogrammetry. The process of obtaining the final results – 3D model of captured object, Digital orthophoto, Digital Surface or Terrain model (DSM or DTM), is much easier by using this method. It is also possible to apply this method in the urban environments. Combining photogrammetry and Global Navigation Satellite Systems is also a rising trend nowadays. Real Time Kinematic (RTK) method is used for georeferencing and accuracy analysis. Using the semi-professional UAV, a high accurate surface or terrain models and Digital orthophoto could be achieved. Paper presents the use of such UAV (DJI Phantom 4 Pro) for obtaining Digital orthophoto and DSM of the area around the Faculty of Civil Engineering - University of Sarajevo, which is a medium size area of complex urban surface. Achieved 3D accuracy was 7,5 cm.
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