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Agugiaro, G. (author), Zwamborn, A. (author), Tigchelaar, C. (author), Matthijssen, E. (author), León-Sánchez, C. (author), van der Molen, F. (author), Stoter, J. (author)In the last 15 years semantic 3D city models have seen a steady growth in terms of creation and adoption. Many cities world-wide have now at least one city model which can be used for several applications. Energy- and sustainability-related topics are among those that have experienced a noteworthy increase of interest from the Geomatics...conference paper 2022
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Korevaar, C.W. (author), Boschma, J.J. (author), den Breeje, R. (author), Ebert, J. (author)Optical feeder links (OFLs) benefit from the vast amount of bandwidth available in the THz-regime of the electro-magnetic spectrum, and could enable future terabit-per-second satellite systems. This study assesses the end-to-end performance of analog coherent OFLs for digital video broadcasting (DVB) applications, employing phase modulation (PM)...conference paper 2022
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Fermoselle, L. (author), Toet, A. (author), Hoeba, N. (author), van Bruggen, J. (author), van der Stap, N. (author), ter Haar, F.B. (author), van Erp, J.B.F. (author)This paper presents a proof-of-concept of a robotic teleoperation system, that provides the human operator a thermal sense in addition to the visual sense. With a sensor suite comprising a stereo camera, 360° camera and long-wave infra-red camera, our demonstrator pushes the boundaries of virtual-reality situational awareness by bringing not...conference paper 2022
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- van der Boon, M. (author), Fermoselle, L. (author), ter Haar, F. (author), Dijkstra-Soudarissanane, S. (author), Niamut, O. (author) conference paper 2022
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Dijkstra-Soudarissanane, S. (author), Gunkel, S.N.B. (author), Reinders, V. (author)Elderly people in care homes face a great lack of contact with their families and loved ones. Social isolation and loneliness are detrimental factors for older people in their health condition, cognitive impairment and quality of life. We previously presented a communication system that facilitated high-quality mediated social contact through an...conference paper 2022
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Frommholz, D. (author), Kuijper, F. (author), Bulatov, D. (author), Cheung, D. (author)This paper discusses a rapid workflow for the automated generation of geospecific terrain databases for military simulation environments. Starting from photogrammetric data products of an oblique aerial camera, the process comprises deterministic terrain extraction from digital surface models and semantic building reconstruction from 3D point...conference paper 2022
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Illing, B. (author), Westhoven, M. (author), Gaspers, B. (author), Smets, N. (author), Bruggemann, B. (author), Mathew, T. (author)Despite advances regarding autonomous functionality for robots, teleoperation remains a means for performing delicate tasks in safety critical contexts like explosive ordnance disposal (EOD) and ambiguous environments. Immersive stereoscopic displays have been proposed and developed in this regard, but bring about their own specific problems, e...conference paper 2020
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Potetsianakis, E. (author), Thomas, E. (author), Assal, K.E. (author), van Deventer, O. (author)With omnidirectional videos, the viewer is able to direct her Field-of-View (FoV) to any part of the scene while watching the content. This is achieved by rendering the 360 video content on the inside of a (conceptual) sphere in which the viewer is typically placed at the center. This is in contrast with traditional video that is rendered on a...conference paper 2020
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de Simone, F. (author), Li, J. (author), Debarba, H.G. (author), Ali, A.E. (author), Gunkel, S.N.B. (author), Cesar, P. (author)In this paper, we describe a user study in which pairs of users watch a video trailer and interact with each other, using two social Virtual Reality (sVR) systems, as well as in a face-to-face condition. The sVR systems are: Facebook Spaces, based on puppet-like customized avatars, and a video-based sVR system using photo-realistic virtual user...conference paper 2019
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Smelik, R.M. (author), van Wermeskerken, F.P.J. (author), Krijnen, R. (author), Kuijper, F. (author)The real environment in which military operations take place is dynamic and ever changing under the influence of natural effects and human activities. In contrast, synthetic representations of these environments used in simulations typically have had little support for dynamic effects and run-time changes. Advances in computer graphics research...article 2019
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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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Poos, J.M. (author), van den Bosch, K. (author), Janssen, C.P. (author)This study investigates whether cognitive bias in judgment and decision making can be reduced by training, and whether the effects are affected by the nature of the training environment. Theory suggests that biases can be overcome by training in critical reflective thinking. In addition, applied research studies have suggested that game-based...article 2017
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de Boer, M.H.T. (author), Lu, Y.J. (author), Zhang, H. (author), Schutte, K. (author), Ngo, C.W. (author), Kraaij, W. (author)Searching in digital video data for high-level events, such as a parade or a car accident, is challenging when the query is textual and lacks visual example images or videos. Current research in deep neural networks is highly beneficial for the retrieval of high-level events using visual examples, but without examples it is still hard to (1)...article 2017
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Salomons, E.M. (author), Zhou, H. (author), Lohman, W.J.A. (author)Traffic noise mapping of cities requires large computer calculation times. This originates from the large number of point-to-point sound propagation calculations that must be performed. In this article it is demonstrated that noise mapping calculation times can be reduced considerably by the use of parallel computation on the Graphics Processing...conference paper 2014
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Smelik, R.M. (author), Tutenel, T. (author), Bidarra, R. (author), Benes, B. (author)Procedural modelling deals with (semi-)automatic content generation by means of a program or procedure. Among other advantages, its data compression and the potential to generate a large variety of detailed content with reduced human intervention, have made procedural modelling attractive for creating virtual environments increasingly used in...article 2014
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Tak, S. (author), Toet, L. (author)Despite the availability of a broad range of newly developed multisensory displays and interaction techniques, multisensory interactive data representations are still not widely used. We argue that for complex information analysis multisensory data representations and multimodal interactivity are essential. By leveraging the benefits of the...conference paper 2013
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Raskovic, M. (author), Varbanescu, A.L. (author), Vlothuizen, W.J. (author), Ditzel, M. (author), Sips, H. (author)Application development for many-core processors is predominately hardware-centric: programmers design, implement, and optimize applications for a pre-chosen target platform. While this approach may deliver very good performance, it lacks portability, being inefficient for applications that aim to use multiple architectures or large-scale...conference paper 2011
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Smelik, R.M. (author), Tutenel, T. (author), de Kraker, J.K. (author), Bidarra, R. (author), TNO Defensie en Veiligheid (author)Because of the increasing detail and size of virtual worlds, designers are more and more urged to consider employing procedural methods to alleviate part of their modeling work. However, such methods are often unintuitive to use, difficult to integrate, and provide little user control, making their application far from straightforward. In our...conference paper 2010
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TNO Defensie en Veiligheid (author), Hendrickx, Q. (author), Smelik, R.M. (author), Bidarra, R. (author)Realistic rendering of water bodies such as rivers and oceans has proven to be one of the most difficult challenges in computer graphics. This challenge can be split into two main problems: simulating the movement of water and simulating the optical properties of water. This poster focuses on the problem of simulating water movement in complex...conference paper 2010
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TNO Defensie en Veiligheid (author), Tutenel, T. (author), Smelik, R.M. (author), Bidarra, R. (author), de Kraker, K.J. (author)Procedural content generation is becoming more and more relevant to solve the problem of content creation for the ever growing virtual worlds of games, simulations and other applications. However, these procedures are often unintuitive or use vague parameters, making it somewhat difficult for a designer to express his or her creative intent....conference paper 2010
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