E-Dissertationen: Search
Now showing items 21-30 of 37
Socio-environmental impacts of settlement growth under conditions of fostered infill development: a methodological framework for a multicriteria assessment
(2010-09-07)
The major objective of this study is to analyze socio-environmental conditions under which a sustainable and resource-preserving settlement development can be promoted and to assess respective impacts of greenfield and ...
Visual SLAM from image sequences acquired by unmanned aerial vehicles
(2009-12-08)
This thesis shows that Kalman filter based approaches are sufficient for the task of simultaneous localization and mapping from image sequences acquired by unmanned aerial vehicles. Using solely direction measurements to ...
Zur Entwicklung und Bewertung der absoluten GNSS-Antennenkalibrierung im HF-Labor
(2010-07-09)
Bei der relativen Positionsbestimmung mit GNSS-Verfahren stellen die Antenneneinflüsse, die sich durch eine richtungsabhängige Empfangscharakteristik auszeichnen, einen der die Genauigkeit begrenzenden Faktoren dar. Durch ...
Analyse der Konfiguration bei der Approximation ungleichmäßig abgetasteter Oberflächen auf Basis von Nivellements und terrestrischen Laserscans
(2015-07-30)
Seit einigen Jahren unterliegt der Bereich der Ingenieurgeodäsie einem starken Wandel, da sich diese Disziplin generell den stetig weiterentwickelnden, anwendungsbezogenen Problemstellungen widmet. Unter diesen Aspekten ...
Convex Optimization for Inequality Constrained Adjustment Problems
(2015-10-14)
Whenever a certain function shall be minimized (e.g., a sum of squared residuals) or maximized (e.g., profit) optimization methods are applied. If in addition prior knowledge about some of the parameters can be expressed ...
Entwicklung einer direkten Georeferenzierungseinheit zur Positions- und Orientierungsbestimmung leichter UAVs in Echtzeit
(2016-09-27)
Seit einigen Jahren werden im Bereich der Geodäsie immer häufiger auch Unmanned Aerial Vehicles (UAVs) als kinematische Trägerplattformen eingesetzt. Dazu werden diese mit objekterfassender Sensorik, wie z.B. Digitalkameras ...
Large-scale mass redistribution in the Earth system from synergistic use of Swarm data
(2022-01-26)
Long and consistent time series of large-scale mass redistribution in the Earth system are important in many scientific research areas. The dedicated Gravity Recovery And Climate Experiment (GRACE) and Gravity Recovery And ...
Statistical relational learning of semantic models and grammar rules for 3D building reconstruction from 3D point clouds
(2016-11-04)
Formal grammars are well suited for the estimation of models with an a-priori unknown number of parameters such as buildings and have proven their worth for 3D modeling and reconstruction of cities. However, the generation ...
On High Performance Computing in Geodesy: Applications in Global Gravity Field Determination
(2014-12-08)
Autonomously working sensor platforms deliver an increasing amount of precise data sets, which are often usable in geodetic applications. Due to the volume and quality, models determined from the data can be parameterized ...
Robot Mapping and Navigation in Real-World Environments
(2018-11-27)
Robots can perform various tasks, such as mapping hazardous sites, taking part in search-and-rescue scenarios, or delivering goods and people. Robots operating in the real world face many challenges on the way to the ...