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Diaz, Vitali (author), van Oosterom, P.J.M. (author), Meijers, B.M. (author), Verbree, E. (author), Ahmed, N. (author), Van Lankveld, T. (author)
Cloud-to-cloud (C2C) distance calculations are frequently performed as an initial stage in change detection and spatiotemporal analysis with point clouds. There are various methods for calculating C2C distance, also called inter-point distance, which refers to the distance between two corresponding point clouds captured at different epochs....
conference paper 2024
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Diaz, Vitali (author), Liu, H. (author), van Oosterom, P.J.M. (author), Meijers, B.M. (author), Verbree, E. (author), Baart, F. (author), Pronk, M.J. (author), Van Lankveld, T. (author)
Point cloud is made up of a multitude of three-dimensional (3D) points with one or more attributes attached. Point cloud is the third data paradigm in addition to the well-established object (vector) and gridded (raster) representations, since point cloud data can be directly collected, computed, stored, and analyzed without converting to other...
conference paper 2022
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Alattas, A.F.M. (author), de Vries, M.E. (author), Meijers, B.M. (author), Zlatanova, Sisi (author), van Oosterom, P.J.M. (author)
A web-based application has been developed, exploiting the integrated model of LADM andIndoorGML to provide indoor navigation based on the user's access rights in an educationalbuilding. Different types of users (students, teachers, visitors, etc.) have different access rights,which also depend on the exact time (e.g. inside or outside office...
conference paper 2021
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Altan, Yigit Can (author), Meijers, B.M. (author)
conference paper 2021
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Peng, D.L. (author), Meijers, B.M. (author), van Oosterom, P.J.M. (author)
When users zoom out on a digital map, some area objects become too tiny to be seen, resulting in visual clutters. To avoid this problem, the relatively unimportant areas should be merged with their neighbors to form larger<br/>areas. In order to provide small and smooth changes so that users can easily keep their contexts, we merge a pair of...
conference paper 2020
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Opstal, Willem van (author), Meijers, B.M. (author), Peters, R.Y. (author)
Navigational charts play a vital role in a ship's safety while navigating the seas, rivers or lakes. With most of the features and obstructions being out of sight -below sea-level - these charts are more critical than e.g. topographic maps. For routing but also positioning, depth information is a key aspect on these charts. This depth...
conference paper 2020
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Peng, D.L. (author), Meijers, B.M. (author), van Oosterom, P.J.M. (author)
This paper presents a web map juxtaposition comparer. Using the comparer, we can place two maps side by side for comparison. The maps of the comparer can contain multiple layers, and each of them can be a multi-scale layer<br/>or a vario-scale layer. We enhance the comparer’s visual analytical ability by developing more functionalities,...
conference paper 2020
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Meijers, P.C. (author), Tsouvalas, A. (author), Metrikine, A. (author)
Current methods to infer the penetration of a steel monopile during an offshore installation are rather inaccurate. Since a large number of foundation piles will be installed offshore in the coming years, a reliable technique to infer the penetration depth is vital. This paper proposes a non-contact method to monitor the pile progression into...
conference paper 2020
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Liu, H. (author), van Oosterom, P.J.M. (author), Meijers, B.M. (author), Verbree, E. (author)
Drastically increasing production of point clouds as well as modern application fields like robotics and virtual reality raises essential demand for smart and highly efficient data management. Effective tools for the managing and direct use of large point clouds are missing. Current state-of-the-art database management systems (DBMS) present...
conference paper 2018
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Angelova, Lilia (author), Flikweert, P.L.M. (author), Karydakis, Panagiotis (author), Kersbergen, Daniël (author), Teeuwen, Roos (author), Valečkaitė, K. (author), Verbree, E. (author), Meijers, B.M. (author), van der Spek, S.C. (author)
Along with the rise of the smart city movement, Internet of Things is an upcoming phenomenon. Objects and devices are becoming more and more wirelessly interconnected, communicating information between themselves and to human beings. As an addition to static sensor networks that gather real-time environmental data, the feasibility of...
conference paper 2018
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Meijers, B.M. (author), Quak, C.W. (author), van Oosterom, P.J.M. (author)
This paper reports on the result of two studies for using a geographical database management system for archiving Automated Identification System (AIS) message data. In this paper, we analyse the storage (using MongoDB and PostgreSQL) and we give a more in-depth description of a possible data model for archiving messages based on the bit vector...
conference paper 2017
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Rovers, A (author), Meijers, B.M. (author), van Oosterom, P.J.M. (author)
This paper presents a methodology for using a generic data-driven spatial access method as a communication mechanism for vario-scale data in a server-client setting. As a complete data set is often quite large, it is managed at the server side and supporting different scale levels is important. We show that a generic R-tree like grouping method,...
conference paper 2017
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de Vos, D.W. (author), Meijers, E.J. (author)
Het hebben van keuze uit verschillende soorten restaurants wordt gezien als een typisch stedelijk consumptievoordeel. Immers, daar vind je een grote variëteit aan restaurants met keukens uit alle windstreken. Echter, het online delen van ervaringen in restaurants, op recensiewebsites zoals Iens.nl zorgt er via een aantal mechanismen voor dat...
conference paper 2017
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Meijers, P.C. (author), Tsouvalas, A. (author), Metrikine, A. (author)
Due to the increasing need for energy from renewable resources, a large number of offshore wind farms are planned to be constructed in the near future. Despite the plethora of available foundation concepts for offshore wind turbines, the monopile foundation is the most widely adopted concept in practice. To predict the installation process for a...
conference paper 2017
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van der Spek, S.C. (author), Verbree, E. (author), Meijers, B.M. (author), Bot, F.J. (author), Braaksma, H.H. (author), Braggaar, R.C. (author), Ligtvoet, B.R. (author), Staats, B.R. (author)
The distribution of people in buildings, the occupancy of lecture-, work- and study places and the accessibility of facilities are essential information at university campuses who have to cope with limited and even shrinking budgets and huge, rising real estate costs. Only little insight is gained in both occupancy and movement patterns with...
conference paper 2016
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Meijers, B.M. (author)
We propose a conceptual simple algorithm based on offset curves obtained from the straight skeleton to simplify building outlines. We present initial results with some real world data and show that the approach can be used to simplify and amalgamate building outlines. We discuss how this approach can be extended to generate smooth transitions...
conference paper 2016
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Meijers, B.M. (author), Suba, R. (author), van Oosterom, P.J.M. (author)
Processing massive datasets which are not fitting in the main memory of computer is challenging. This is especially true in the case of map generalization, where the relationships between (nearby) features in the map must be considered. In our case, an automated map generalization process runs offline to produce a dataset suitable for...
conference paper 2015
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Suba, R. (author), Meijers, B.M. (author), Van Oosterom, P.J.M. (author)
The classical approach for road network generalization consists of producing multiple maps, for a different scale or purpose, from a single detailed data source and quite often roads are represented by line objects. Our target is the generalization of a road network for the whole scale range from large scale, where roads are represented as area...
conference paper 2015
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Stead, D. (author), Meijers, E.J. (author)
conference paper 2015
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Suba, R. (author), Meijers, B.M. (author), Huang, L. (author), van Oosterom, P.J.M. (author)
conference paper 2014
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