20.500.12556/RUL-185622 Primerjava laserskega skeniranja in fotogrametrične izmere na primeru grada Grad magistrsko delo Comparison of laser scanning and photogrammetric measurements on the example of Grad castle V magistrski nalogi je bila izvedena primerjalna analiza prostorskih podatkov, pridobljenih iz treh različnih virov, na primeru grada Grad na Goričkem. Obravnavani so bili podatki fotogrametrične izmere in laserskega skeniranja z letalnikom ter podatki Cikličnega laserskega skeniranja Slovenije (CLSS). Namen raziskave je bil oceniti geometrijsko skladnost, celovitost in tematsko točnost posameznih metod zajema ter preveriti njihovo uporabnost pri dokumentiranju kulturne dediščine. Iz opravljenih meritev smo za primerjavo med metodami izdelali georeferenciran in klasificiran oblak točk ter digitalni model terena, ortofoto in 3D model pa smo izdelali kot stranski produkt. Za primerjavo oblakov točk je bila uporabljena metoda M3C2. Primerjavo digitalnih modelov terena smo izvedli z njihovim medsebojnim odštevanjem. Analizirali smo še gostoto oziroma celovitost podatkov na izbranih delih objekta ter pravilnost klasifikacije točk na celotnem oblaku točk. Rezultati so pokazali, da predstavlja metoda laserskega skeniranja z letalnikom prostorsko najbolj enakomeren zajem podatkov. Ugotovljena je bila tudi visoka tematska točnost klasifikacije oblaka točk. Z UAV fotogrametrijo smo pridobili zelo gost oblak točk z dobro zajetimi detajli objekta. Kljub temu so se ponekod pojavile luknje v oblaku točk, kjer podatkov ni bilo. Podatki CLSS so nam predstavljali dober referenčni vir za primerjavo digitalnih modelov terena, saj ima enakomerno gostoto točk v oblaku točk, vendar nižjo prostorsko ločljivost. Raziskava potrjuje, da je najprimernejša metoda za dokumentacijo objekta Grad na Goričkem, ki stoji na razgibanem reliefu obdanem z vegetacijo, lasersko skeniranje z letalnikom. This master’s thesis conducted a comparative analysis of spatial data obtained from three different sources, using Grad Castle in Goričko as a case study. The analysis examined photogrammetric survey data, airborne lidar data, and data from the Cyclical Laser Scanning of Slovenia (CLSS). The purpose of the research was to assess the geometric consistency, completeness, and thematic accuracy of the individual data acquisition methods and to verify their usefulness in documenting cultural heritage. From the measurements taken, we created a georeferenced and classified point cloud for comparison between the methods, and produced a digital terrain model, orthophoto, and 3D model as byproducts. The M3C2 method was used to compare the point clouds. The comparison of digital terrain models was performed by subtracting them from each other. We also analyzed the density and completeness of the data on selected parts of the object and the accuracy of point classification across the entire point cloud. The results showed that the aerial laser scanning method provides the most spatially uniform data capture. High thematic accuracy of the point cloud classification was also established. Using UAV photogrammetry, we obtained a very dense point cloud with well-captured object details. Nevertheless, gaps appeared in the point cloud in some places where no data was available. The CLSS data represented a good reference source for comparing digital terrain models, as it has a uniform point density in the point cloud, but a lower spatial resolution. The study confirms that the most suitable method for documenting the Goričko Castle, which stands on undulating terrain surrounded by vegetation, is aerial laser scanning using UAV. magistrska dela gradbeništvo UAV fotogrametrija lasersko skeniranje oblak točk digitalni model terena M3C2 master thesis civil engineering UAV photogrammetry laser scanning point cloud digital terrain model M3C2 true false false [L. Žnidarič] Slovenski jezik Angleški jezik Magistrsko delo/naloga 2026-08-13 12:14:11 2026-08-13 12:14:24 2026-08-19 14:41:41 0000-00-00 00:00:00 2026 0 Ljubljana 2026 Ljubljana 1 spletni vir (1 datotek PDF (X, 41 str.)) 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 528.7:728.81(497.4)(043.2) 181010 288231939 21037.pdf 21037.pdf 1 956C61478C301E9FB6027844FA733C99 8ab453697a474bd524f4ef23db0b8c9a937146d76a846cb8e61d53b19f56b1b0 67bdd22b-96ff-11f1-9b0d-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=244340 Fakulteta za gradbeništvo in geodezijo 0 0 0