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Wyszukujesz frazę "Stepien, M.K." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Technological aspects of orthophotomap generation in rapid mapping mode
Autorzy:
Sanecki, J.
Klewski, A.
Stępień, G.
Beczkowski, K.
Jasińska, M.
Powiązania:
https://bibliotekanauki.pl/articles/135500.pdf
Data publikacji:
2015
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
VHR (Very High Resolution)
DEM (digital elevation model)
DSM (Digital Surface Model)
orthophotomap
Opis:
The article presents the technical aspects of Digital Elevation Model (DEM) and Digital Surface Model (DSM) built on the basic of Very High Resolution (VHR) data to create orthophotomap in a rapid mapping mode. The final part of the paper is accuracy assessment of orthophotomap built on the same elevation models which were used in a rapid mapping way. In the article were using aerial photography’s gained from digital camera UltraCam Xp by Vexcel. The spatial resolution of this images is 0.10 m. Example data of Gazoport in Świnoujście were processed using photogrammetry software Agisoft PhotoScan. The usefulness of both DSM and orthophotomap products were achieved by cross calculating mean errors. Orthophotomap created in a rapid mapping way, with minimum set of images, was built across using Ground Control Points (GCP). The source of GCP points was the Polish Spatial Data Infrastructure Geoportal. Check points were measured using both geoportal and Global Navigation Satellite System (GNSS) in the Real Time Kinematic (RTK) mode.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2015, 41 (113); 48-51
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A method for the determination of landslide risks using a Digital Elevation Model created by Unmanned Aerial Systems with a hydrogeological data connection
Autorzy:
Sanecki, J.
Klewski, A.
Zygmunt, M.
Stępień, G.
Hałaburda, R.
Borczyk, K.
Powiązania:
https://bibliotekanauki.pl/articles/135092.pdf
Data publikacji:
2017
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
UAS
DEM
DTM landslide
hydrogeological data
angle of internal friction
cohesion
Opis:
This article presents the problem of surveying landslide prone areas. Discussed are the possibility of using photogrammetry methods for digital imaging, creating Digital Terrain Models (DTM) and Digital Elevation Models (DEM) of slope surface and combining these with the ground’s angle of internal friction, cohesion and hydrogeological data. Unmanned Aerial Systems (UASs) with inclined high precision cameras show different slope angles than UASs with vertical cameras. Expressly, we can see places within the landslide area where the angle of internal friction and cohesion are low. These places are the most likely to suffer further mass movements causing fissures and ground displacements. In the observed landslide area we separated the steep parts of the slope, with low cohesion values, and the slight parts of the slope, with low values of angle of internal friction. In these different areas, landslides can evolve in different ways and at different speeds. The Factor of Safety (FS) was calculated for different types of area which allowed the probability of new mass movements to be checked for different areas. This method can be useful for C-B and X-Band PSI Interferometry Data. Because of the damage potentially incurred by landslides, there is a need to better understand these natural phenomena, especially their methods and speed of development and how they can be prevented from forming in the future.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2017, 52 (124); 154-160
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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