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Fillinger, L. (author), Hunter, A.J. (author), Clarijs, M.C. (author)Since 2010, TNO has conducted a number of experiments on passive diver detection in Dutch waters. We have demonstrated detection, localization and tracking of divers wearing open circuit and closed circuit underwater breathing apparatus as well as boats. However, until now, we have not conducted any such experiments in warm waters. The...conference paper 2014
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Fillinger, L. (author), Hunter, A.J. (author), Zampolli, M. (author), Clarijs, M.C. (author)Divers, including closed circuit (rebreather) divers constitute a potential threat to waterside infrastructures. Active diver detection sonars are available commercially but present some shortcomings, particularly in highly reverberant environments. This has led to research on passive sonar for diver detection. Passive detection of open-circuit...conference paper 2013
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Hunter, A.J. (author), Fillinger, L. (author), Zampolli, M. (author), Clarijs, M.C. (author)Surveillance of waterside locations for protection against threats from small fast surface vessels and underwater intruders is a very relevant but challenging problem. For this reason, the Netherlands Organisation for Applied Scientific Research (TNO) is developing SOBEK – a family of passive sonar technologies for waterside surveillance. The...conference paper 2012
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Fillinger, L. (author), de Theije, P.A.M. (author), Zampolli, M. (author), Sutin, A. (author), Salloum, H. (author), Sedunov, N. (author), Sedunov, A. (author), TNO Defensie en Veiligheid (author)The international rules for the protection of harbors against threats and intruders typically apply to threats emanating from the land side. Protection against actions and threats from the water side is much less regulated, apart from some individual cases. Potential threats from the water side may consist of intruders including divers with and...conference paper 2010
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TNO Defensie en Veiligheid (author), Lensen, H.A. (author), Schwering, P.B.W. (author), van den Broek, S.P. (author), den Hollander, R.J.M. (author), van der Mark, W. (author), Kemp, R.A.W. (author)In a harbor environment threats like explosives-packed rubber boats, mine-carrying swimmers and divers must be detected in an early stage. This paper describes the integration and use of a heterogeneous multiple camera system with panoramic observation capabilities for detecting these small vessels in the Den Helder New Harbor in the Netherlands...conference paper 2009