Zobrazeno 1 - 10
of 251
pro vyhledávání: '"D. Mader"'
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLVIII-2-2024, Pp 341-348 (2024)
LiDAR bathymetry provides an efficient and comprehensive way to capture the topography of water bodies in shallow water areas. However, the penetration depth of this measurement method into the water column is limited by the medium water and water tu
Externí odkaz:
https://doaj.org/article/a51166fdd7ba4f768121f1c8bd411a69
Autor:
A. Ringenbach, E. Stihl, Y. Bühler, P. Bebi, P. Bartelt, A. Rigling, M. Christen, G. Lu, A. Stoffel, M. Kistler, S. Degonda, K. Simmler, D. Mader, A. Caviezel
Publikováno v:
Natural Hazards and Earth System Sciences, Vol 22, Pp 2433-2443 (2022)
Forests are rockfall-protective ecological infrastructures as a significant amount of kinetic energy is absorbed during consecutive rock–tree impacts. Although many recent works have considered rock impacts with standing trees, the effect of lying
Externí odkaz:
https://doaj.org/article/6ffacb731caf4dffa32c29fc9d5f49b6
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B2-2022, Pp 945-951 (2022)
Accurate information on turbidity in water bodies is relevant to numerous limnological and oceanological issues. However, the collection of turbidity parameters using conventional in-situ measurement methods is time-consuming and cost-intensive and t
Externí odkaz:
https://doaj.org/article/412c8f96c8b84442aaff7cf4dfe9d2e6
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B2-2021, Pp 681-688 (2021)
Airborne LiDAR bathymetry is an efficient technique for surveying the bottom of shallow waters. In addition, the measurement data contain valuable information about the local turbidity conditions in the water body. The extraction of this information
Externí odkaz:
https://doaj.org/article/82bd24feda974887bc0a07351cef10c8
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B2-2021, Pp 717-722 (2021)
This study assesses the suitability to use RGB and thermal infrared imagery acquired from an UAV to measure surface flow velocities of rivers. The reach of a medium-scale river in Hungary is investigated. Image sequences with a frame rate of 2 Hz w
Externí odkaz:
https://doaj.org/article/a94086b29a684b54a2e2e7c6e781f26b
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-2-W13, Pp 1053-1059 (2019)
Airborne LiDAR bathymetry allows an efficient and area-wide acquisition of water bottom points in shallow water areas. However, the measurement method is severely limited by water turbidity, impending a reliable detection of water bottom points at hi
Externí odkaz:
https://doaj.org/article/39bb67358ea74cc2980b8692247984e7
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-2-W10, Pp 113-117 (2019)
Airborne Lidar Bathymetry is a laser scanning technique to measure waterbody bottom topography in shallow waterbodies with limited turbidity. The topic has recently gained relevance due to the advent of new sensor technologies allowing for much highe
Externí odkaz:
https://doaj.org/article/7bc6a2a4d32d46fba8ae37f636ee170a
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-2, Pp 961-967 (2018)
Airborne LiDAR bathymetry (ALB) requires a refraction correction on the basis of Snell’s law at the air-water interface and a speedof- light correction to be applied on the raw laser data in order to achieve a geometric accurate representation of t
Externí odkaz:
https://doaj.org/article/6a067f6b055a45a989f683a45e8d4fe2
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLI-B1, Pp 1135-1142 (2016)
Conventional building inspection of bridges, dams or large constructions in general is rather time consuming and often cost expensive due to traffic closures and the need of special heavy vehicles such as under-bridge inspection units or other large
Externí odkaz:
https://doaj.org/article/80e73beb35894d0f9705b9fc1e5ab50e
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XL-3/W3, Pp 335-341 (2015)
The Project ADFEX (Adaptive Federative 3D Exploration of Multi Robot System) pursues the goal to develop a time- and cost-efficient system for exploration and monitoring task of unknown areas or buildings. A fleet of unmanned aerial vehicles equipped
Externí odkaz:
https://doaj.org/article/99bd3f48754b4f84aa7052f28ed2d1b5