Searched for: subject%3A%22point%255C%2Bcloud%22
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Meinderts, Jens (author)
The Dutch highway network contains more than 3.000 kilometers of roads. Along these roads are thousands of overhead objects such as viaducts and traffic sign gantries. It is essential to have recent and accurate data on the clearances under these objects. This data is important for maintenance and routing oversized transports. Obtaining...
master thesis 2023
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Yang, Z. (author), Ye, Qin (author), Stoter, J.E. (author), Nan, L. (author)
Continuous implicit representations can flexibly describe complex 3D geometry and offer excellent potential for 3D point cloud analysis. However, it remains challenging for existing point-based deep learning architectures to leverage the implicit representations due to the discrepancy in data structures between implicit fields and point...
journal article 2023
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Gordon, Matthew (author), Batallé Garcia, A. (author), De Wolf, Catherine (author), Sollazzo, Aldo (author), Dubor, Alexandre (author), Wang, T. (author)
To address the need for a shift from a linear to a circular economy in the built environment, this paper develops a semi-automated assistive process for planning building material deconstruction for reuse using sensing and scanning, Scan-to-BIM, and computer vision techniques. These methods are applied and tested in a real-world case study in...
journal article 2023
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Labaar, Anna Lisa (author)
For European Union member states, it is mandatory to assign Natura 2000 areas and regularly monitor them. Currently, vegetation mapping is done mainly manually, which is a time-consuming and expensive practise. Unmanned Aerial Vehicles (UAVs or drones), manoeuvrable vehicles with which high-resolution measurements can be done, could increase...
master thesis 2022
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Nijensteen, Ilse (author)
The Catterline Bay, located in North East Scotland, is prone to erosion processes. Using Terrestrial Laser Scanning (TLS) two point clouds were obtained in 2019 and 2022 from this area of ca. 0.2 km<sup>2</sup>. Here, a methodology was proposed and tested to assess how erosion processes can be monitored from high resolution point clouds in small...
master thesis 2022
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Dechamps, Louis (author), van Esch, Marieke (author), Hengelmolen, Maren (author), Kan, Leo (author), YANG, Yue (author)
Blind and visually impaired people currently have inconveniences locating themselves in the indoor environment. No standardized system exists for them yet. After an inventory of the requirements of blind people, different representations do qualify for providing specific information blind people need. The main research question is: "How can...
student report 2022
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Boomaars, Kay (author)
Sea level rise causes more difficulties for coastal maintenance. Although hard structures were built in the past to prevent for flooding, nature based solutions are preferred more recently. For the application of nature based solutions, a better understanding of the coastal processes is desired. Dry sand is transported towards the dunes by...
master thesis 2022
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Smitskamp, Gwennan (author)
The need to capture environments and objects in 3 dimensions to produce a high quality digital representation is proving to be useful in many applications in the world, where there is an increasing dependence on digital spaces. Point Clouds are a data type to represent 3D objects and scenes. During the processing of the point cloud data,...
master thesis 2022
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Mainelli, Xenia Una (author)
The kinds of physical spaces present in the real world are becoming ever more complex, and the locations defining the boundaries between these spaces are often arbitrary. Distinguishing between which spaces count as `outdoors,' and which count as `indoors,' becomes more difficult when `semi-outdoor' and `semi-indoor' spaces are considered....
master thesis 2022
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Emeis, Ruben (author)
As part of the Dutch sustainable landfill project iDS, two compartments of the Dutch landfill Wieringermeer have been treated by in-situ aeration since 2017. The chosen method of aeration is over-extraction, where suction pressure is created causing ambient air to intrude into the landfill. Aeration induces enhanced settlement due to the...
master thesis 2022
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Wrzosek, Filip (author)
A series of critical transmission lattice towers failures due to severe ice and wind loads forced German utility companies to reassess the structural stability of their power grid infrastructure. During the structural reassessment process, a problem related to an outdated or even missing documentation of the in-use infrastructure occurred. This...
master thesis 2022
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Dardavesis, Ioannis (author)
Nowadays, the evolution of localisation and navigation technologies is vast, aiding towards facilitating users’ guidance in various environments. Outdoor positioning can be easily achieved, with the widely used Global Navigation Satellite Systems (GNSS), which comprise a universal standard for positioning and are included in every person’s...
master thesis 2022
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van der Horst, Noortje (author)
A digital reconstruction of real-life trees could provide many benefits in fields such as botany, forestry management, biology, and urban planning. Plant growth modelling in particular would enable the analysis of plant structure and behaviour in a customizable, widely applicable and non-destructive manner. Although many data-driven plant...
master thesis 2022
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Baars, Thomas (author)
A problem faced by Tactile Internet (TI) is the distance limitation. A possible solution is to create a simulation of the remote environment, such that the delay experienced by a human operator is reduced. However, to obtain a model of the remote environment, before the user interacts with it, we need to be able to estimate the physical...
bachelor thesis 2022
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Yang, Haocheng (author)
Tactile internet enables communication in a new layer of immersion, touch. It has the potential to transform the landscape of digital communication. However, the achievable scale of tactile internet is severely limited by its 1 ms round-trip latency. We propose a workaround for the latency through tactile simulation, which can bypass the...
bachelor thesis 2022
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Buijs, Teun (author)
The tactile internet can be described as the next step of the internet. It can empower people, adding physical interactions to what normally is just an audiovisual experience.<br/>It however does need ultra-low latency. <br/>A solution to having delays can be found in environment simulation.<br/>This paper describes a way to find the correct...
bachelor thesis 2022
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Liu, H. (author)
In the Geomatics domain, a point cloud refers to a data set which records the coordinates and other attributes of a huge number of points. Conceptually, each of these attributes can be regarded as a dimension, representing a specific type of information. Apart from routinely concerned spatio-temporal dimensions for coordinates, other dimensions...
doctoral thesis 2022
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Cicimen, Alp (author)
Surface Registration is a registration problem that handles the registration of two similar surfaces. In most research that utilises Deep Learning (DL) models to handle surface registration two theories are investigated; the first being whether surfaces sampled from the same origin can be registered together, and the second theory being whether...
bachelor thesis 2022
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Weyns, Maarten (author)
In order to be able to use the Microsoft HoloLens for surgical navigation purposes, performing good patient alignment is of utmost importance. This paper will discuss how this patient alignment can be done using different point cloud registration algorithms.<br/>A lot of research is being conducted on point cloud registration algorithms. However...
bachelor thesis 2022
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Secco, Pablo (author)
Absolute accuracy plays a crucial role in most geospatial applications. Particularly in the case of mobile mapping systems (MMS) where large amounts of data are collected, it comprises a key factor that can sometimes be dangerously underestimated. Within the scope of mobile laser scanning, the accuracy of the measurements is mainly ruled by the...
master thesis 2022
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