Searched for: author%3A%22Benoist%2C+K.W.%22
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Devecchi, B.A. (author), Benoist, K.W. (author), Scheers, L.C.W. (author), Veerman, H.E.T. (author), Binsbergen, S.A. (author), van Eijk, A.M.J. (author)
Infrared imaging of the sea surface is used for many purposes, such as remote sensing of large oceanographic structures, environmental monitoring, surveillance applications and platform signature research. Many of these studies rely on determining the contrast of a target feature with its background and therefore benefit from accurately...
conference paper 2019
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van Iersel, M. (author), Veerman, H.E.T. (author), Cohen, L.H. (author), Benoist, K.W. (author), van Binsbergen, S.A. (author), van Riggelen, F. (author), Peet, B.J.A. (author)
Most models that predict the infrared signature of an object are based on steady-state equilibrium conditions and do not model the dynamic nature of the real world. To gain more understanding of the dynamic infrared signatures of an object, several outdoor experiments were performed, using a CUBI and a small vessel as an object. Dynamic changes...
conference paper 2016
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de Jong, A.N. (author), Schwering, P.B.W. (author), Benoist, K.W. (author), Gunter, W.H. (author), Vrahimis, G. (author), October, F.J. (author)
For users of Electro-Optical (EO) sensors at sea, knowledge on their resolution is of key operational importance for the prediction of the obtainable classification ranges. Small targets may be located at ranges of 20 km and more and the present day sensor pixel size may be as small as 10 μrad. In this type of scenarios, sensor resolution will...
conference paper 2014
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Benoist, K.W. (author), Schleijpen, R.M.A. (author)
A simple model has been developed and implemented in Matlab code, predicting the over-exposed pixel area of cameras caused by laser dazzling. Inputs of this model are the laser irradiance on the front optics of the camera, the Point Spread Function (PSF) of the used optics, the integration time of the camera, and camera sensor specifications...
conference paper 2014
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van den Broek, S.P. (author), Bouma, H. (author), Veerman, H.E.T. (author), Benoist, K.W. (author), den Hollander, R.J.M. (author), Schwering, P.B.W. (author)
Long-term tracking is important for maritime situational awareness to identify currently observed ships as earlier encounters. In cases of, for example, piracy and smuggling, past location and behavior analysis are useful to determine whether a ship is of interest. Furthermore, it is beneficial to make this assessment with sensors (such as...
conference paper 2014
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van den Broek, S.P. (author), Bouma, H. (author), den Hollander, R.J.M. (author), Veerman, H.E.T. (author), Benoist, K.W. (author), Schwering, P.B.W. (author)
For maritime situational awareness, it is important to identify currently observed ships as earlier encounters. For example, past location and behavior analysis are useful to determine whether a ship is of interest in case of piracy and smuggling. It is beneficial to verify this with cameras at a distance, to avoid the costs of bringing an own...
conference paper 2014
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Toet, A. (author), Benoist, K.W. (author), van Lingen, J.N.J. (author), Schleijpen, H.M.A. (author)
There are many weapon systems in which a human operator acquires a target, tracks it and designates it. Optical countermeasures against this type of systems deny the operator the possibility to fulfill this visual task. We describe the different effects that result from stimulation of the human visual system with high intensity (visible) light,...
conference paper 2013
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Dekker, R.J. (author), Schwering, P.B.W. (author), Benoist, K.W. (author), Pignatti, S. (author), Santini, F. (author), Friman, O. (author)
This paper studies change detection of LWIR (Long Wave Infrared) hyperspectral imagery. Goal is to improve target acquisition and situation awareness in urban areas with respect to conventional techniques. Hyperspectral and conventional broadband high-spatial-resolution data were collected during the DUCAS trials in Zeebrugge, Belgium, in June...
conference paper 2013
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Grönwall, C. (author), Schwering, P.B. (author), Rantakokko, J. (author), Benoist, K.W. (author), Kemp, R.A.W. (author), Steinvall, O. (author), Letalick, D. (author), Björkert, S. (author)
In the electro-optical sensors and processing in urban operations (ESUO) study we pave the way for the European Defence Agency (EDA) group of Electro-Optics experts (IAP03) for a common understanding of the optimal distribution of processing functions between the different platforms. Combinations of local, distributed and centralized processing...
conference paper 2013
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de Jong, A.N. (author), Schwering, P.B.W. (author), Benoist, K.W. (author), Gunter, W.H. (author), Vrahimis, G. (author), October, F.J. (author)
During the FATMOSE trial, held over the False Bay (South Africa) from November 2009 until October 2010, day and night (24/7) high resolution images were collected of point sources at a range of 15.7 km. Simultaneously, data were collected on atmospheric parameters, as relevant for the turbulence conditions: air- and sea temperature, windspeed,...
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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de Jong, A.N. (author), van Eijk, A.M.J. (author), Benoist, K.W. (author), Gunter, W.H. (author), Vrahimis, G. (author), October, F.J. (author)
Knowledge on the marine boundary layer is of importance for the prediction of the optical image quality obtained from long range targets. One property of the boundary layer, that can be studied rather easily by means of optical refraction measurements, is the vertical temperature profile. This profile can be compared with the profile, as...
conference paper 2011
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Schoemaker, R.M. (author), Benoist, K.W. (author)
Potential asymmetric threats at short range in complex environments need to be identified quickly during coastal operations. Laser range profiling is a technology that has the potential to shorten the OODA loop (Orient, Observe, Detect, Act) by performing automatic characterisation of targets at large distance. The advantages of non-cooperative...
conference paper 2011
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de Jong, A.N. (author), Fritz, P.J. (author), Benoist, K.W. (author), van Eijk, A.M.J. (author), Schwering, P.B.W. (author), TNO Defensie en Veiligheid (author)
The FATMOSE trial (FAlse-bay ATMOSpheric Experiment) running over a period from November 2009 to July 2010,was a continuation of the cooperation between TNO and IMT on atmospheric propagation and point target detection and identification in a maritime environment. Instruments were installed for measuring scintillation, blurring- and refraction...
conference paper 2010
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Hiemstra, P. (author), Benoist, K.W. (author), van den Broek, S.P. (author), van Iersel, M. (author), Kester, L.J.H.M. (author), Bergmans, J. (author), TNO Defensie en Veiligheid (author)
conference paper 2008
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van Iersel, M. (author), van Kester, L.J.H.M. (author), Bergmans, J. (author), Hiemstra, P. (author), Benoist, K.W. (author), van den Broek, S.P. (author), TNO Defensie en Veiligheid (author)
conference paper 2008
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TNO Defensie en Veiigheid (author), Kunz, G.J. (author), Bekman, H.H.P.T. (author), Benoist, K.W. (author), Cohen, L.H. (author), van den Heuvel, J.C. (author), Putten, F.J.M. (author)
Small maritime targets, e.g., periscope tubes, jet skies, swimmers and small boats, are potential threats for naval ships under many conditions, but are difficult to detect with current radar systems due to their limited radar cross section and the presence of sea clutter. On the other hand, applications of lidar systems have shown that the...
conference paper 2005
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TNO Fysisch en Elektronisch Laboratorium (author), Schavemaker, J.G.M. (author), den Breejen, E. (author), Benoist, K.W. (author), Schutte, K. (author), Tettelaar, P. (author), de Bijl, M. (author), Fritz, P.J. (author), Cohen, L.H. (author), van der Mark, W. (author), Chignell, R. (author)
The successful demonstration of the LOTUS landmine detection system was discussed. The demonstration of the integrated multi-sensor mine-detection system took place in August 2002 near the village of Vidovice, in the northeast of Bosnia and Herzegovina. The system consisted of a metal detector (MD) array, an infrared (IR) camera system and a...
conference paper 2003
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Schutte, K. (author), Cremer, F. (author), den Breejen, E. (author), Schavemaker, J.G.M. (author), Benoist, K.W. (author), TNO Fysisch en Elektronisch Laboratorium (author)
Detection of Anti-Personnel Landmines is a challenging task for any sensor currently available. Using sensor fusion allows combining individual sensor results such that for each sensor its advantages remain while compensating for its disadvantages by using other sensor types. This paper provides an overview of sensor-fusion results obtained...
conference paper 2001
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