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Title: COMPARATIVE ANALYSIS OF GEOSPATIAL DATA RECEIVED BY TLS AND UAV TECHNOLOGIES FOR THE QUARRY
COMPARATIVE ANALYSIS OF GEOSPATIAL DATA RECEIVED BY TLS AND UAV TECHNOLOGIES FOR THE QUARRY

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B. Mitka;P. Klapa;I. Piech
10.5593/sgem2018/2.3/S10.008
1314-2704
978-619-7408-41-6
English
18
2.3
Photogrammetry and Remote Sensing
Currently, it is possible to capture geospatial data, which represents terrain surfaces in the form of point cloud, by using two diametrically different technologies: laser scanning and ?structure from motion? technology which is based on sets of properly acquired 2D photos. Both of these technologies allow to obtain a substantially the same product - point cloud, although it is a direct measurement product from laser scanning technology (TLS), while in the case of the structure from motion technology it is a derived product of the source data processing, such as photos.
The article presents the results of comparative research both in the preparation and implementation of measurements, as well as the processing of data, which were captured by TLS technology and by the unmanned aerial vehicle (UAV) (equipped with a digital camera). The products of point cloud: Digital Surface Models and Digital Terrain Models have also been analysed. Geometric compatibility of the obtained data, their completeness and density of information obtained depending on the terrain and vegetation cover were examined. The research object was a quarry in Lutowiska, which is located in the mountainous area of Bieszczady in the south-eastern part of Poland.
The measurements from TLS and UAV were developed on the basis of the same Geodetic Control Points, expressed in the PL-2000 geodetic coordinates system (EPSG 2179). This allowed the assumption that all geometrical differences between the developed products come from the use of various data acquisition and processing techniques.
For each of the technologies, depending on the total time required to carry out the works, the total project cost was also estimated. The work was conducted by using the same hardware configuration and by operators of similar advancement level. Both technologies are equally mastered and used in professional practice by authors which also allows to prepare an objective analysis. The works (carried out in this way) allowed not only to a reliably compare the geometrical characteristics of analogous products coming from two different measurement methods, but also to compare the timeconsuming and costs of their implementation.
conference
https://www.sgem.org/index.php/jresearch-article?citekey=Mitka2018105764
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18th International Multidisciplinary Scientific GeoConference SGEM 2018
18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
57-64
02-08 July, 2018
website
cdrom
751
unmanned aerial vehicle; terrestrial laser scanning; digital surface model;
digital terrain model;