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Primerjava višin določenih z mobilnim kartirnim sistemom in iz lidarskih podatkov : magistrsko delo
Novak, Natalija (Author), Stopar, Bojan (Mentor) More about this mentor... This link opens in a new window, Sterle, Oskar (Co-mentor), Urbančič, Tilen (Co-mentor)

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Abstract
V magistrskem delu smo analizirali skladnost višin, določenih z mobilnim kartirnim sistemom, z višinami, pridobljenimi iz lidarskih podatkov. Uporabili smo podatke GNSS/INS meritev mobilnega kartirnega sistema podjetja DFG CONSULTING, d.o.o. ter podatke aerolaserskega skeniranja (ALS) Slovenije. Višine, določene na osnovi podatkov aerolaserskega skeniranja, smo določili na osnovi digitalnega modela reliefa (DMR), za dva izbrana odseka pa na osnovi oblaka točk reliefa (OTR). Višine, določene z GNSS/INS meritvami, smo pridobili iz podatkov meritev mobilnega kartirnega sistema na več kot 1000 km državnih cest različnih karakteristik. Razlike višin smo razvrstili v razrede, jih analizirali in ovrednotili po več kriterijih.. Ugotovili smo, da absolutne razlike višin, pridobljene z meritvami mobilnega kartirnega sistema, v več kot 86 odstotkih primerov odstopajo od digitalnega modela reliefa (DMR) manj kot 0,25 m.

Language:Slovenian
Keywords:mobilni kartirni sistem, inercialni merski sistem, kinematična GNSS/INS izmera, aerolasersko skeniranje, digitalni model reliefa
Work type:Master's thesis/paper (mb22)
Tipology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2018
Publisher:[N. Novak]
UDC:528.2(043.3)
COBISS.SI-ID:8558689 Link is opened in a new window
Views:190
Downloads:126
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Secondary language

Language:English
Title:Comparison of heights determind with mobile mapping system with heights computed on the basis of Lidar data : master thesis
Abstract:
In this Master thesis we analyzed heights determined on the basis of mobile mapping system (MMS) with those computed on the basis of Lidar data. For this purpose, the GNSS/INS measurements data of DFG CONSULTING’s mobile mapping system were compared with the height data, computed on the basis of the airborne laser scanning data (ALS) of Slovenia. For the purpose of this research, the heights derived from the digital terrain model of ALS data were used. For two specific road sections, heights derived from the ground points of point cloud were used. Heights determined on the vasis of the GNSS/INS measurements were obtained with the mobile mapping system measurements of more than 1000 km of national roads of different characteristics. The calculated height differences were classified, analysed and evaluated through different criteria. The result found is that the absolute differences in height obtained on the basis of mobile mapping system’s measurements deviate from the digital terrain model’s for less than 0,25 m in more than 86 percent of available data.

Keywords:mobile mapping system, inertial measurment unit, kinematic GNSS/INS positioning, airborne laser scanning, digital terrain model

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