Searched for: contributor%3A%22Ledoux%2C+H.+%28mentor%29%22
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Kan, Leo (author)
The Earth's surface is a complex landscape that is essential for a wide range of applications, from urban planning to environmental monitoring. Digital models of the Earth's surface are generated through mathematical calculations using elevation data collected from various sources and the Digital Terrain Model (DTM) which captures the bare earth...
master thesis 2024
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Zhang, Fengyan (author)
Geometric algorithms are usually designed based on the assumption of using arbitraryprecision representations. However, in modern computer systems floating-point arithmetic and finite-precision approximation are often used as implementing exact computations would require large computational resources and would be rather slow in the applications....
master thesis 2023
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Cai, Cynthia (author), Meines, Siebren (author), Poon, Chris (author), Powałka, Leon (author), Xia, Yitong (author), YAN, LAN (author)
A 3D city model uses three-dimensional geometries to represent and model urban environments, in which the building model is the key feature. With the development of computer and data collection technologies, 3D city models are gaining growing capacities regarding storing rich information. This makes 3D city models more potentially useful than...
student report 2022
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Hurkmans, Robin (author)
Solar energy is an important renewable energy source that is already generated by millions of solar panels attached to building roofs throughout The Netherlands. Whether a roof is suitablefor solar panels relies on its type, orientation and whether it is put in shadow by a neighbouring object. This means, the higher the solar potential of a roof...
master thesis 2022
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Wu, Ziyan (author)
Building height information has been more used in a variety of industries in recent years. This information can be used in sustainable urban planning, urban climate research, population estimation, and three-dimensional (3D) building reconstruction, etc. Nowadays, building height information is obtained mostly by photogrammetry, high-resolution...
master thesis 2022
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Roy, Ellie (author)
Data on the number of floors is required for a variety of applications, ranging from energy demand estimation to flood response plans. Despite this, open data on the number of floors is currently not available at a nationwide level in the Netherlands. This means that it must be inferred from other available data. Automatic methods usually...
master thesis 2022
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de Jong, Maarten (author)
The volume and density of geospatial data is constantly increasing as newer acquisition techniques are developed to create higher-resolution datasets and more countries are creating country-wide datasets such as point clouds. However, methods to deal with this increase in the amount of data are lagging behind and the developments in computer...
master thesis 2021
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Li, Xiaoai (author)
With the increasing demand for 3D city models in various applications, providing efficient access to 3D city models on the web has become very important and valuable. However, there is a lack of web services in which users can directly and effectively access the city objects contained in the 3D city models on the web. Another problem with web...
master thesis 2021
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Morlighem, Camille (author)
Historical 3D city models have been increasingly used for the preservation and communication of the cultural heritage to a wider and more diversified public. In the recent years, they have also been of a growing interest in other domains such as in urbanism or in economy. However, their potential for supporting new use cases has been restricted...
master thesis 2021
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Mastorakis, Konstantinos (author)
3D city models are continuously becoming more popular among practitioners due to the volume and versatility of information they contain, which makes them suitable to be used in various applications. However, there is no mechanism to allow maintaining them updated at the same pace that cities evolve, or when error correction is necessary,...
master thesis 2020
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Zhao, Y. (author)
In recent years, 3D building models have become increasingly widespread and are intensively exploited in fields of computer graphics and geometry processing. One of the common surface representations of 3D building models is polygon mesh, which is both compact and efficient in terms of exchange format<br/>and data processing respectively....
master thesis 2020
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van Liempt, J.N.H. (author)
The possibilities of 3D city models for the analysis of the built environment are increasingly explored, and there is a continuous development in improvements on their inner workings. They are also used more often on the web, for example for visualisation but it is also possible to query, analyse, and edit data in this way. In this case, the...
master thesis 2020
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Alhoz, Khaled (author), Kenesei, Kristof (author), Papageorgiou, Manos (author), Keurentjes, Lisa (author), de Jong, Maarten (author)
The outcome of the project has been successful from the interpolation perspective, where the final results have shown major improvements over the original rasters, and a multitude of possible other interpolation methods have shown potential. In the end, the algorithm used to create the gridded DTM was<br/>based on Startin’s Laplace interpolation...
student report 2020
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Kang, Yuxuan (author)
With fast development of both hardware and software, 3D real-world scene<br/>data, for example multi view stereo mesh, can be acquired efficiently. And<br/>since 3D city data are more realistic and more useful in some applications,<br/>they begin to appear in the market.<br/>Although the generation of 3D city data like multi view stereo mesh<br/...
master thesis 2017
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Tryfona, Maya (author)
The use of 3D city models has increased the last decades due to the evolution of technology. Their use is related to the need for solutions on issues that correspond to the building environment. Modelling aspects, like geometric, semantic information and topology are necessary, in order to provide an integrated result of spatial analysis. The...
master thesis 2017
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Ntaladima, A.-M. (author)
The Urban Heat Island (UHI) is a phenomenon in which a city forms microclimates which heat up significantly quicker than its rural surroundings. Urban environment has a tremendous and not extensively explored impact on human health and on environment. Until now the UHI was mostly studied by the means of satellite remote sensing techniques. This...
master thesis 2016
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Heeres, E. (author)
master thesis 2016
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Broersen, T. (author)
The Netherlands is characterised by mostly low lying, flat, and engineered agricultural lands, which are sensitive to flooding. To protect against floods, a correct network characterisation is of the utmost importance. A Dutch water resources management company, the HDSR, wishes to have a highly automated method to characterise the water course...
master thesis 2016
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Jonker, C. (author)
The recent emergence of Light Detection And Ranging (LiDAR) scanning technology has resulted in the availability of very large three dimensional point cloud data sets. These LiDAR data sets have become a main source for the modeling and reconstruction of both ground surface as well as above-ground objects such as buildings and vegetation. For...
master thesis 2016
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Sileryte, R. (author)
Even though studies of the built environment’s impact on citizens’ physical activity have become an aspiring topic in the recent years, up to now the most investigated topic is transport-related walking or cycling. However, little is known about the patterns of leisure-related physically active travels. One of the reasons behind this lack of...
master thesis 2015
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