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van Rooij, S.B. (author), Uysal, F. (author), Papari, G. (author), Kruithof, M.C. (author), Caro Cuenca, M. (author)Radar systems play a very important role in Space Situational Awareness (SSA) since they are able to provide a wealth of information on remote objects. In particular, imaging radars can characterize space objects using Inverse Synthetic Aperture Radar (ISAR) techniques. Under the right circumstances, ISAR images can provide details of a...conference paper 2022
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Kurchaba, S. (author), van Vliet, J. (author), Verbeek, F.J. (author), Meulman, J.J. (author), Veenman, C.J. (author)The shipping industry is one of the strongest anthropogenic emitters of NOx—a substance harmful both to human health and the environment. The rapid growth of the industry causes societal pressure on controlling the emission levels produced by ships. All the methods currently used for ship emission monitoring are costly and require proximity to a...article 2022
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Nijenhuis, J.R. (author), van der Heiden, N. (author), Jonker, W.A. (author)TMT will be a telescope with 492 segments making up the primary mirror. Each of these segments is supported with a highly sophisticated Segment Support Assembly (SSA) and each of them is to be tested for acceptance using a tool called SMATT. This tool will be mounted on top of each SSA and provides the load distribution applied to its 27 support...conference paper 2022
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- Xiao, C. (author), Leeuwenburgh, O. (author), Lin, H.X. (author), Heemink, A.W. (author) article 2021
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Pruim, R.H.R. (author), van Opbroek, A. (author), Kruithof, M.C. (author), den Hollander, R.J.M. (author), Baan, J. (author), van den Broek, S.P. (author), van der Stap, N. (author), Dijk, J. (author)Automatic detection and tracking of maritime targets in imagery can greatly increase situation awareness on naval vessels. Various methods for detection and tracking have been proposed so far, both for reasoning as well as for learning approaches. Learning approaches have the promise to outperform reasoning approaches. They typically detect...conference paper 2019
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Kubbinga, M. (author), Augustijns, P. (author), Garcia, M.A. (author), Heinen, C. (author), Wortelboer, H.M. (author), Verwei, M. (author), Langguth, P. (author)Chitosan is object of pharmaceutical research as a candidate permeability enhancer. However, chitosan was recently shown to reduce the oral bioavailability of acyclovir in humans. The effect of chitosan on two processes determining the oral bioavailability of acyclovir, bioaccessibility and intestinal absorption, was now investigated. Acyclovir...article 2019
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Fransman, J.E. (author), Sijs, J. (author), Dol, H.S. (author), Theunissen, E. (author), de Schutter, B. (author)In this paper, Mine Counter-Measures (MCM) operations with multiple cooperative Autonomous Underwater Vehicles (AUVs) are examined within the Distributed Constraint optimization Problem (DCOP) framework. The goal of an MCM-operation is to search for mines and mine-like objects within a predetermined area so that ships can pass the area through a...conference paper 2019
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Vasenev, A. (author)Partial Networking, as a mechanism for moving-to-sleep and waking-up embedded systems, is beneficial for saving energy within a vehicle (or within other complex distributed systems). Even though a number of models exist which identify benefits of partial networking, they often address rather specific cases. Moreover, these fragmented efforts do...conference paper 2018
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Witvoet, G. (author), Nijenhuis, J.R. (author), Kramer, L. (author)The preparations for the design and construction of the Extremely Large Telescope (ELT) are in full swing. One of the most critical components of this enormous telescope is its segmented primary mirror (M1), for which TNO, in collaboration with VDL, has designed the mechanical segment support in the period 2015-2016. The dynamic performance of...article 2018
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Witvoet, G. (author), Nijenhuis, J.R. (author), Kramer, L. (author)The preparations for the design and construction of the Extremely Large Telescope (ELT) are in full swing. One of the most critical components of this enormous telescope is its segmented primary mirror (M1), for which Netherlands Organisation for Applied Scientific Research (TNO), in collaboration with VDL, has designed the mechanical segment...conference paper 2018
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- Huizinga, W. (author) doctoral thesis 2018
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- Heiligers, M.J.C. (author), Huizing, A.G. (author) conference paper 2018
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van Deventer, M.O. (author), Dufourd, J.C. (author), Oh, S. (author), Lim, S.Y. (author), Lim, Y. (author), Chandramouli, K. (author), Koenen, R. (author)The proliferation of new capabilities in affordable smart devices capable of capturing, processing, and rendering audiovisual media content triggers a need for coordination and orchestration between these devices and their capabilities and of the content flowing from and to such devices. The upcoming Moving Picture Experts Group (MPEG) Media...article 2018
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van Leeuwen, C.J. (author), van Huis, J.R. (author), Baan, J. (author)Wide Area Motion Imagery (WAMI) enables image based surveillance of areas that can cover multiple square kilometers. Interpreting and analyzing information from such sources, becomes increasingly time consuming as more data is added from newly developed methods for information extraction. Captured from a moving Unmanned Aerial Vehicle (UAV), the...conference paper 2016
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Dijk, J. (author), Schutte, K. (author), Nieuwenhuizen, R.P.J. (author)Visual and infrared imagery is degraded by turbulence caused by atmospheric conditions. Because the degradation gets worse for longer distances, turbulence especially hampers long range observation. At sea this turbulence affects classification and identification of ships and other objects. State of the art software based processing algorithms...conference paper 2016
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Witvoet, G. (author), Doelman, N.J. (author), den Breeje, R. (author)Future large telescopes, such as E-ELT and TMT, will need feedback control of the thousands of actuators underneath their segmented primary mirrors (M1). Differences in actuator dynamics and spatially and temporally changing disturbances make it extremely diffcult to formulate classical controllers which are both suffciently robust and highly...conference paper 2016
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Toet, A. (author), Hogervorst, M.A. (author)We introduce a multiscale image fusion scheme based on guided filtering. Guided filtering can effectively reduce noise while preserving detail boundaries. When applied in an iterative mode, guided filtering selectively eliminates small scale details while restoring larger scale edges. The proposed multi-scale image fusion scheme achieves optimal...conference paper 2016
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Bos, A. (author), Henselmans, R. (author), Rosielle, P.C.J.N. (author), Steinbuch, M. (author)To enable important scientific discoveries, ESO has defined a new ground-based telescope: the European Extremely Large Telescope (E-ELT). The baseline design features a telescope with a 39-m-class primary mirror (M1), making it the largest and most powerful telescope in the world. The M1 consists of 798 hexagonal segments, each about 1.4 m wide,...article 2015
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Ripken, D. (author), Hendriks, H.F.J. (author)This chapter describes the use of the porcine ex vivo intestinal segment model. This includes the advantages and disadvantages of the segment model and a detailed description of the isolation and culture as well as the applications of the porcine ex vivo intestinal segment model in practice. Compared to the Ussing chamber (Chap. 24) the porcine...bookPart 2015
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Azzopardi, G. (author), Strisciuglio, N. (author), Vento, M. (author), Petkov, N. (author)Retinal imaging provides a non-invasive opportunity for the diagnosis of several medical pathologies. The automatic segmentation of the vessel tree is an important pre-processing step which facilitates subsequent automatic processes that contribute to such diagnosis. We introduce a novel method for the automatic segmentation of vessel trees in...article 2015