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Wyświetlanie 1-4 z 4
Tytuł:
A new approach of coastal cliff monitoring using mobile laser scanning
Autorzy:
Ossowski, R.
Tysiąc, P.
Powiązania:
https://bibliotekanauki.pl/articles/259599.pdf
Data publikacji:
2018
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
cliffs
coast protection
mobile laser scanning
monitoring
stability calculations
Opis:
The article proposes a new approach of coastal cliff monitoring which bases on a new comprehensive monitoring system, being a combination of mobile scanning from the sea with the geotechnical stability analysis. Mobile laser scanning is an innovative solution for 3D data collection which allows the monitored object geometry to be precisely measured, thus providing opportunities for series of analyses contributing to the development of an improved monitoring system. The authors present selected cliff profiles obtained from mobile scanning in the area of Jastrzebia Gora, complemented by relevant geotechnical analyses. The analysis of current cliff geometry is accompanied by calculations of hypothetical cliff profile changes resulting from possible action of nature forces. Finally, a comprehensive strategy for coastal cliff monitoring is proposed.
Źródło:
Polish Maritime Research; 2018, 2; 140-147
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementation of spatial information for monitoring and analysis of the area around the port using laser scanning techniques
Autorzy:
Bobkowska, K.
Inglot, A.
Mikusova, M.
Tysiąc, P.
Powiązania:
https://bibliotekanauki.pl/articles/259579.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
spatial information
monitoring of the area around the port
terrestrial and airborne laser scanning
Opis:
Nowadays, maritime infrastructure is heavily exploited, which requires monitoring. The article presents the implementation of spatial information which are point clouds for monitoring and analysis of the area around the port (buildings and wharves). For this study, point clouds coming from terrestrial (TLS) and airborne laser scanning (ALS), each of them having different accuracy, were used. An important part of the analysis was the integration of the two data sources. Through integration, the acquisition of information on areas not covered by the measurement in the presented case, one of the methods was possible for use (e.g. the roofs in case of TLS, or the lack of some of the walls of buildings in case of ALS). Another aspect was to use this data. Measurement of the shape and geometry of objects was executed. Additionally, the planeness analysis of individual elements of port infrastructure has been carried out. An interesting analysis was to determine the water level, based on relation to specific characteristics of the light reflectance.
Źródło:
Polish Maritime Research; 2017, S 1; 10-15
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maritime laser scanning as the source for spatial data
Autorzy:
Burdziakowski, P.
Janowski, A.
Kholodkov, A.
Matysik, K.
Matysik, M.
Przyborski, M.
Szulwic, J.
Tysiąc, P.
Wojtowicz, A.
Powiązania:
https://bibliotekanauki.pl/articles/259527.pdf
Data publikacji:
2015
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
mobile laser scanning
maritime laser scanning
GIS for harbours
measurements of sea coast
boat-based scanning
Opis:
The rapid development of scanning technology, especially mobile scanning, gives the possibility to collect spatial data coming from maritime measurement platforms and autonomous manned or unmanned vehicles. Presented solution is derived from the mobile scanning. However we should keep in mind that the specificity of laser scanning at sea and processing collected data should be in the form acceptable in Geographical Information Systems, especially typical for the maritime needs. At the same time we should be aware that data coming from maritime mobile scanning constitutes a new approach to the describing of maritime environment and brings a new perspective that is completely different than air and terrestrial scanning. Therefore, the authors, would like to present results of an experiment aimed at testing the possibilities of using mobile scanning at sea. Experiment was conducted in the harbour and the associated environment of neighbouring southern coast of the Baltic Sea.
Źródło:
Polish Maritime Research; 2015, 4; 9-14
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mobile laser scanning calibration on a marine platform
Autorzy:
Szulwic, J.
Tysiąc, P.
Powiązania:
https://bibliotekanauki.pl/articles/258760.pdf
Data publikacji:
2018
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
mobile laser scanning
marine laser scanning
scanning of a boat
calibration of laser scanning
sea measurements
MarLS
Opis:
The article describes the method of calibration of the Riegl VMZ-400 mobile scanning system on a floating platform and an experiment aimed at conducting measurements from a previously calibrated instrument. The issue of factors affecting the quality of measurements was discussed. Mobile laser scanning is an increasingly popular measurement solution, but it is still innovative on a European scale. The use of a floating platform is unique on a national scale. The presented solution is the result of the work of the Gdańsk University of Technology team on the development of the measurement procedure for scanning land from the sea and the river.
Źródło:
Polish Maritime Research; 2018, S 1; 159-165
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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