Spatial Data Performance Test of Mid-cost UAS with Direct Georeferencing (CROSBI ID 279976)
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Podaci o odgovornosti
Branko Kordić, Mateo Gašparović, Borna Lužar Oberiter, Almin Đapo, Goran Vlastelica
engleski
Spatial Data Performance Test of Mid-cost UAS with Direct Georeferencing
Recent development of lightweight and small size multi-frequency GNSS receivers allows determination of the precise position of the moving platform and spatial data acquisition without the need for setting up and measuring of ground control points. The main advantage of this approach is a higher operational capacity with reduced time and cost of field measurement. This relates to fieldwork in inaccessible areas with demanding terrain configuration. In this paper development and use of a UAS with direct georeferencing of camera sensor for spatial data acquisition is described, and the possibility of 3D scene reconstruction based on the precise position of the camera with predetermined interior parameters is examined. Modern computer vision- based SfM photogrammetry algorithms are used for determining attitude parameters and reconstruction of the scene. For that purpose, several tests on two different test fields were performed using various system parameters for collecting and analysis of several spatial data sets. The presented results demonstrate a satisfactory accuracy (3.1 cm planar and 6.4 cm spatial) of the system for various applications in geodesy.
UAS, direct georeferencing, SfM photogrammetry, spatial accuracy, GCP
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Podaci o izdanju
64 (3)
2020.
859-868
objavljeno
0553-6626
10.3311/PPci.15619
Povezanost rada
Geodezija, Geologija, Građevinarstvo, Računarstvo, Zrakoplovstvo, raketna i svemirska tehnika