About: Elevation error modeling and propagation in slope estimation: A case study from Olse and Stonavka confluence area

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About: Elevation error modeling and propagation in slope estimation: A case study from Olse and Stonavka confluence area Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper presents the practice and results of error modelling and propagation analyses for large-scaled area using high quality input DEM. Five different digital elevation models were examined. Four DEMs originated in LIDAR survey and one in photogrammetry. Root Mean Square Error was rating up to 0.317 in case of 10 m LIDAR DEM (respectively 1.128 for photogram-metric DEM). In the analyses was performed a stochastic Monte Carlo simula-tion. According to empirical error distribution it has been used semivariogram to model spatially autocorrelated error pattern in elevation and later propagated in slope estimation. Notable error appeared in result, even despite the fact that high precision input data has been used. As expected; the error in slopes is in-creased with the vertical error in elevation and with decreasing slope. Using LIDAR input for 10 meter DEM was the average slope error decreased to 78.36% of photogrammetric input. This paper presents the practice and results of error modelling and propagation analyses for large-scaled area using high quality input DEM. Five different digital elevation models were examined. Four DEMs originated in LIDAR survey and one in photogrammetry. Root Mean Square Error was rating up to 0.317 in case of 10 m LIDAR DEM (respectively 1.128 for photogram-metric DEM). In the analyses was performed a stochastic Monte Carlo simula-tion. According to empirical error distribution it has been used semivariogram to model spatially autocorrelated error pattern in elevation and later propagated in slope estimation. Notable error appeared in result, even despite the fact that high precision input data has been used. As expected; the error in slopes is in-creased with the vertical error in elevation and with decreasing slope. Using LIDAR input for 10 meter DEM was the average slope error decreased to 78.36% of photogrammetric input. (en)
Title	Elevation error modeling and propagation in slope estimation: A case study from Olse and Stonavka confluence area Elevation error modeling and propagation in slope estimation: A case study from Olse and Stonavka confluence area (en)
skos:prefLabel	Elevation error modeling and propagation in slope estimation: A case study from Olse and Stonavka confluence area Elevation error modeling and propagation in slope estimation: A case study from Olse and Stonavka confluence area (en)
skos:notation	RIV/61989100:27740/12:86083331!RIV13-MSM-27740___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0070), S
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Podhorányi, Michal
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / IT4Innovations
http://linked.open...dnocenehoVysledku	134099
http://linked.open...ai/riv/idVysledku	RIV/61989100:27740/12:86083331
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Outliers; Monte Carlo simulation; Photogrammetry; LIDAR; Slope; DEM (Digital Elevation Model); Error Propagation (en)
http://linked.open.../riv/klicoveSlovo	Photogrammetry Outliers LIDAR DEM (Digital Elevation Model) Error Propagation Slope Monte Carlo simulation
http://linked.open...ontrolniKodProRIV	[4660D9F22968]
http://linked.open...in/vavai/riv/obor	DE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	IT4Innovations Centre of Excellence
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Cirbus, Juraj Podhorányi, Michal Mudroň, Ivan Devečka, Branislav Bakay, Ladislav Bobáľ, Peter
http://localhost/t...ganizacniJednotka	27740

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