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Klerk, W.J. (author), Roscoe, K. L. (author), Tijssen, A. (author), Nicolai, R. P. (author), Sap, J. (author), Schins, F. (author)
In The Netherlands, inspection and maintenance are essential for maintaining stringent flood protection standards. Flood defences are assessed every 12 years to ensure they meet their risk-based safety standards,which are given as legally-binding maximum failure probabilities. Between assessments, flood defence managers are subject to risk...
conference paper 2019
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Han, C. (author), Mazzarella, L. (author), Zhao, Y. (author), Yang, G. (author), Procel Moya, P.A. (author), Tijssen, M. (author), Bento Montes, A.R. (author), Isabella, O. (author), Zeman, M. (author)
Broadband transparent conductive oxide layers with high electron mobility (μ<sub>e</sub>) are essential to further enhance crystalline silicon (c-Si) solar cell performances. Although metallic cation-doped In<sub>2</sub>O<sub>3</sub> thin films with high μ<sub>e</sub> (&gt;60 cm<sup>2</sup> V<sup>-1</sup> s<sup>-1</sup>) have been extensively...
journal article 2019
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de Bruijn, E. (author), Nijmeijer, SWR (author), Forbes, P.A. (author), Koelman, JHTM (author), van der Helm, F.C.T. (author), Tijssen, MAJ (author), Happee, R. (author)
Objective<br/>To identify effects of a deviant motor drive in the autospectral power of dystonic muscles during voluntary contraction in cervical dystonia patients.<br/>Methods<br/>Submaximal (20%) isometric head-neck tasks were performed with the head fixed, measuring surface EMG of the sternocleidomastoid, splenius capitis and semispinalis...
journal article 2017
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Forbes, P.A. (author), de Bruijn, E. (author), Nijmeijer, SWR (author), Koelman, JHTM (author), van der Helm, F.C.T. (author), Schouten, A.C. (author), Tijssen, MAJ (author), Happee, R. (author)
Background Effective sensorimotor integration is essential to modulate (adapt) neck stabilization strategies in response to varying tasks and disturbances. This study evaluates the hypothesis that relative to healthy controls cervical dystonia patients have an impaired ability to modulate afferent feedback for neck stabilization with changes...
journal article 2017
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Nijmeijer, S.W.R. (author), de Bruijn, E. (author), Verhagen, R. (author), Forbes, P.A. (author), Kamphuis, D.J. (author), Happee, R. (author), Tijssen, M.A.J. (author), Koelman, J.H.T.M. (author)
Botulinum toxin (BoNT) injections in the dystonic muscles is the preferred treatment for Cervical Dystonia (CD), but the proper identification of the dystonic muscles remains a challenge. Previous studies showed decreased 8–14 Hz autospectral power in the electromyography (EMG) of splenius muscles in CD patients. Cumulative distribution...
journal article 2017
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Psomadaki, S (author), van Oosterom, P.J.M. (author), Tijssen, T.P.M. (author), Baart, F. (author)
Point cloud usage has increased over the years. The development of low-cost sensors makes it now possible to acquire frequent point cloud measurements on a short time period (day, hour, second). Based on the requirements coming from the coastal monitoring domain, we have developed, implemented and benchmarked a spatio-temporal point cloud data...
journal article 2016
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Martinez-Rubi, O. (author), Verhoeven, S. (author), Van Meersbergen, M. (author), Schûtz, M. (author), Van Oosterom, P. (author), Gonçalves, R. (author), Tijssen, T. (author)
Powered by WebGL, some renderers have recently become available for the visualization of point cloud data over the web, for example Plasio or Potree. We have extended Potree to be able to visualize massive point clouds and we have successfully used it with the second national Lidar survey of the Netherlands, AHN2, with 640 billion points. In...
conference paper 2015
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Koopman, M.J. (author), Soffers, P. (author), Kastelijns, M. (author), Ntarladima, A.M. (author), Ten Kate, J. (author), Tijssen, T.P.M. (author), Verbree, E. (author), Van der Spek, S.C. (author)
student report 2015
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Martinez-Rubi, O. (author), Van Oosterom, P.J.M. (author), Goncalves, R. (author), Tijssen, T.P.M. (author), Ivanova, M. (author), Kersten, M.L. (author), Alvanaki, F. (author)
The popularity, availability and sizes of point cloud data sets are increasing, thus raising interesting data management and processing challenges. Various software solutions are available for the management of point cloud data. A benchmark for point cloud data management systems was defined and it was executed for several solutions. In this...
journal article 2015
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Van Oosterom, P.J.M. (author), Ravada, S. (author), Horhammer, M. (author), Martinez Rubi, O. (author), Ivanova, M. (author), Kodde, M. (author), Tijssen, T.P.M. (author)
Point cloud data are important sources for 3D geo-information. The point cloud data sets are growing in popularity and in size. Modern Big Data acquisition and processing technologies, such as laser scanning from airborne, mobile, or static platforms, dense image matching from photos, multi-beam echo-sounding, or from autotracking seismic data,...
conference paper 2014
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Tijssen, T.P.M. (author), Quak, C.W. (author), Van Oosterom, P.J.M. (author)
Oracle Spatial fungeert binnen Rijkswaterstaat als standaard bouwsteen voor ruimtelijke toepassingen. Doel van dit onderzoek is vast te stellen of andere DBMS'en op een zodanig niveau zijn dat deze ook als standaard bouwsteen zouden kunnen fungeren. De ontwikkeling van open source software biedt mogelijk een alternatief en kan wellicht tot...
report 2012
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Tijssen, T. (author), Quak, W. (author)
Dit rapport bevat een beknopt verslag van in activiteiten van Theo Tijssen en Wilko Quak in het kader van het GeoValley project. Het rapport bevat een flink aantal bijlagen waarin de geproduceerde resultaten integraal zijn opgenomen (presentaties, artikelen, analyses, etc.)
report 2012
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Verbree, E. (author), Tijssen, T.P.M. (author), Ledoux, H. (author), Zlatanova, S. (author)
report 2012
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De Haan, V.O. (author), Santbergen, R. (author), Tijssen, M. (author), Zeman, M. (author)
Optical standing wave sensors have been manufactured by amorphous silicon deposition. The responses of these sensors, when subjected to standing waves, have been calculated and measured. It is shown that the responses are different depending on the way the standing wave is created. The responses also depend on the thickness and material...
journal article 2012
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De Haan, V. (author), Santbergen, R. (author), Tijssen, M. (author), Zeman, M. (author)
A study is presented giving the response of three types of fiber-optic interferometers by which a standing wave through an object is investigated. The three types are a Sagnac, Mach–Zehnder and Michelson–Morley interferometer. The response of the Mach–Zehnder interferometer is similar to the Sagnac interferometer. However, the Sagnac...
journal article 2011
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Van der Meer, J.N. (author), Schouten, A.C. (author), Bour, L.J. (author), De Vlugt, E. (author), Van Rootselaar, A.F. (author), Van der Helm, F.C.T. (author), Tijssen, M.A.J. (author)
In dystonia, both sensory malfunctioning and an abnormal intermuscular low-frequency drive of 3–7 Hz have been found, although cause and eVect are unknown. It is hypothesized that sensory processing is primarily disturbed and induces this drive. Accordingly, experimenter-controlled sensory input should be able to inXuence the frequency of the...
journal article 2010
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Meijers, B.M. (author), Tijssen, T.P.M. (author), Van Oosterom, P.J.M. (author)
journal article 2009
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Tijssen, T.P.M. (author), Van der Lely, B. (author), Schiltmans, B. (author), Verhelst, L. (author)
journal article 2009
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Quak, W. (author), Stoter, J. (author), Tijssen, T. (author)
conference paper 2003
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Vermeij, M. (author), Van Oosterom, P. (author), Quak, W. (author), Tijssen, T. (author)
conference paper 2003
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