Searched for: subject%3A%22Sensor%255C%2Bfusion%22
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Noack, B. (author), Sijs, J. (author), Reinhardt, M. (author), Hanebeck, U.D. (author)
In distributed and decentralized state estimation systems, fusion methods are employed to systematically combine multiple estimates of the state into a single, more accurate estimate. An often encountered problem in the fusion process relates to unknown common information that is shared by the estimates to be fused and is responsible for...
article 2017
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Hogervorst, M.A. (author), Toet, A. (author)
Previously, we presented two color mapping methods for the application of daytime colors to fused nighttime (e.g., intensified and longwave infrared or thermal (LWIR)) imagery. These mappings not only impart a natural daylight color appearance to multiband nighttime images but also enhance their contrast and the visibility of otherwise obscured...
article 2017
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Elfring, J. (author), Appeldoorn, R. (author), Kwakkernaat, M. (author)
This work focuses on vehicle automation applications that require both the estimation of kinematic and geometric information of surrounding vehicles, e.g., automated overtaking or merging. Rather then using one sensor that is able to estimate a vehicle's geometry from each sensor frame, e.g., a lidar, a multisensor simultaneous vehicle tracking...
conference paper 2016
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Bosman, H.H.W.J. (author), Iacca, G. (author), Tejada, A. (author), Wörtche, H.J. (author), Liotta, A. (author)
The field of wireless sensor networks (WSNs), embedded systems with sensing and networking capabil- ity, has now matured after a decade-long research effort and technological advances in electronics and networked systems. An important remaining challenge now is to extract meaningful information from the ever-increasing amount of sensor data...
article 2016
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Hogervorst, M.A. (author), Toet, A. (author)
Previously, we presented a method for applying daytime colours to fused nighttime (e.g., intensified and LWIR) imagery (Toet and Hogervorst, Opt.Eng. 51(1), 2012). Our colour mapping not only imparts a natural daylight appearance to multiband nighttime images but also enhances the contrast and visibility of otherwise obscured details. As a...
conference paper 2016
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Bijlsma, T. (author), Kwakkernaat, M. (author), Mnatsakanyan, M. (author)
Advanced Driver Assistance Systems (ADAS) become standard and sometimes mandatory for vehicles, e.g. autonomous emergency braking. Future vehicles will include multiple ADAS that assist with safety-critical operations. For efficiency and effectiveness, these ADAS should share resources, information and functionalities. Additionally, ADAS...
conference paper 2015
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Wang, Y. (author), Kostić, D. (author), Jansen, S.T.H. (author), Nijmeijer, H. (author)
The use of redundant sensors brings a rich diversity of information, nevertheless fusing different sensors that run at vastly different frequencies into a proper estimate is still a challenging sensor fusion problem. Instead of using the size-varying measurements and thereby the size-varying filters during each sampling period, we propose to...
conference paper 2014
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Dekker, R.J. (author), Bouma, H. (author), den Breejen, E. (author), van den Broek, A.C. (author), Hanckmann, P. (author), Hogervorst, M.A. (author), Mohamoud, A.A. (author), Schoemaker, R.M. (author), Sijs, J. (author), Tan, R.G. (author), Toet, A. (author), Smith, A.J.E. (author)
conference paper 2013
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Bouma, H. (author), Baan, J. (author), Landsmeer, S. (author), Kruszynski, K.J. (author), van Antwerpen, G. (author), Dijk, J. (author)
The capability to track individuals in CCTV cameras is important for e.g. surveillance applications at large areas such as train stations, airports and shopping centers. However, it is laborious to track and trace people over multiple cameras. In this paper, we present a system for real-time tracking and fast interactive retrieval of persons in...
conference paper 2013
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Ditzel, M. (author), Kester, L.J.H.M. (author), van den Broek, S.P. (author), van Rijn, M. (author)
Multilevel fusion systems need provisions to optimally schedule scarce processing and communication resources. To this end, we explore the idea of using utility-based metrics to optimize the run-time operation of a computation and communication constrained multilevel system, including automatic decision support measures such as course of action...
conference paper 2013
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Lefter, I. (author), Burghouts, G.J. (author), Rothkrantz, L.J.M. (author)
We propose a new method for audio-visual sensor fusion and apply it to automatic aggression detection. While a variety of definitions of aggression exist, in this paper we see it as any kind of behavior that has a disturbing effect on others. We have collected multi- and unimodal assessments by humans, who have given aggression scores on a 3...
conference paper 2012
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Renhorn, I. (author), Axelsson, M. (author), Benoist, K.W. (author), Bourghys, D. (author), Boucher, Y. (author), Xavier Briottet, X. (author), De Sergio De CeglieD, S. (author), Dekker, R.J. (author), Dimmeler, A. (author), Dost, R. (author), Friman, O. (author), Kåsen, I. (author), Maerker, J. (author), van Persie, M. (author), Resta, S. (author), Schwering, P.B.W. (author), Shimoni, M. (author), Vegard Haavardsholm, T. (author)
The EDA project “Detection in Urban scenario using Combined Airborne imaging Sensors” (DUCAS) is in progress. The aim of the project is to investigate the potential benefit of combined high spatial and spectral resolution airborne imagery for several defense applications in the urban area. The project is taking advantage of the combined...
conference paper 2012
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Renhorn, I. (author), Axelsson, M. (author), Benoist, K.W. (author), Bourghys, D. (author), Boucher, Y. (author), Xavier Briottet, X. (author), De Sergio De CeglieD, S. (author), Dekker, R.J. (author), Dimmeler, A. (author), Dost, R. (author), Friman, O. (author), Kåsen, I. (author), Maerker, J. (author), van Persie, M. (author), Resta, S. (author), Schwering, P.B.W. (author), Shimoni, M. (author), Vegard Haavardsholm, T. (author)
The EDA project “Detection in Urban scenario using Combined Airborne imaging Sensors” (DUCAS) is in progress. The aim of the project is to investigate the potential benefit of combined high spatial and spectral resolution airborne imagery for several defense applications in the urban area. The project is taking advantage of the combined...
conference paper 2012
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van Nunen, E. (author), van den Broek, T.H.A. (author), Kwakkernaat, M.R.J.A.E. (author), Kotiadis, D. (author)
This paper describes the design, implementation and results of a novel probabilistic collision warning system. To obtain reliable results for risk estimation, preprocessing sensor data is essential. The work described herein presents all the necessary preprocessing steps such as filtering, sensor fusion and target tracking. Risk estimation can...
conference paper 2011
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van den Broek, S.P. (author), Hanckmann, P. (author), Ditzel, M. (author)
An approach for decision support, consisting of situation and threat assessment is described, as part of a distributed and adaptive multi-sensor fusion engine. The decision support module combines the management and assessment components for situations and threats. The situation assessment determines relations between observed and geographical...
conference paper 2011
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Schwering, P.B.W. (author), TNO Defensie en Veiligheid (author)
The presence of asymmetric threats in coastal and harbor environments, as well as in open waters is increasing. Potential suicide bombers and pirates need to be stopped at an early stage to prevent harm. Hence accurate situational awareness is essential. Detection and in particular recognition of such asymmetric threat is a complicated task....
public lecture 2010
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Dol, H.S. (author), Sabel, J.C. (author), Lensen, H.A. (author), Beckers, A.L.D. (author)
Small drifting objects can be a big threat to surface ships, especially when the objects are explosion hazards like sea mines that have become detached from their moorings. Timely detection of such objects is crucial in order to be able to perform adequate evasive manoeuvres. However, the vertical position of drifting mines is a serious...
conference paper 2010
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TNO Defensie en Veiligheid (author), Hogervorst, M.A. (author), Toet, A. (author)
We designed and evaluated a dual-band Night Vision Goggles sensor system. The sensor system consists of two optically aligned NVGs fitted with filters splitting the sensitive range into a visual and a near-infrared band. The Color-the-night technique (Hogervorst & Toet, FUSION2008) was used to fuse the images of the two sensors, using a color...
conference paper 2009
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TNO Defensie en Veiligheid (author), van den Broek, A.C. (author), Burghouts, G.J. (author), van den Broek, S.P. (author), Smith, A.J.E. (author), Hagen, R.A.J. (author), Anitori, L. (author), van Rossum, W. (author)
In current military operations threats should be monitored accurately. The use of sensors is indispensable for this purpose, for example with camera and radar systems. Using data from such systems we have studied automated procedures for extracting observable behavioral features of persons and groups, which can be associated with threats. We...
conference paper 2009
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TNO Defensie en Veiligheid (author), Hogervorst, M.A. (author), Toet, A. (author)
We have tested a prototype dual-band NVG system consisting of two NVGs fitted with filters that split the NVG sensitive range into a short (visual) and a long wavelength (NIR) band. The Color-the-night technique (see Hogervorst & Toet, SPIE D&S ‘08) was used to fuse the images of the two sensors. We designed a color scheme especially optimized...
conference paper 2009
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