Searched for: author%3A%22Baan%2C+J.%22
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van Rooijen, A.L. (author), Bouma, H. (author), Baan, J. (author), van Leeuwen, M.C. (author)
Person re-identification (Re-ID) can be used to find the owner of lost luggage, to find suspects after a terrorist attack, or to fuse multiple sensors. Common state-of-the-art deep-learning technology performs well on a large public dataset but it does not generalize well to other environments, which makes it less suitable for practical...
conference paper 2022
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van Aalst, W. (author), Piscaer, P.J. (author), Vreugdenhil, B. (author), van Antwerpen, M. (author), Baan, J. (author)
conference paper 2022
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van Aalst, W. (author), Piscaer, P.J. (author), Vreugdenhil, B. (author), van Antwerpen, M. (author), Baan, J. (author)
public lecture 2022
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de Dominicis, L. (author), Bouma, H. (author), Toivonen, S. (author), Stifini, C. (author), Villani, M.L. (author), de Nicola, A. (author), van Rooijen, A.L. (author), Baan, J. (author), Peltola, J. (author), Lämsä, A. (author), Räsänen, P. (author)
conference paper 2021
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Dijk, J. (author), van den Broek, S.P. (author), den Hollander, R.J.M. (author), Baan, J. (author), ten Hove, J.M. (author), Oorbeek, D. (author)
conference paper 2021
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Franken, R. (author), Turkenburg, J. (author), Kasiotis, K.M. (author), Shandilya, N. (author), Baan, J. (author), Tsakirakis, A.N. (author), Chartzala, I. (author), Anastasiadou, P. (author), Machera, K. (author), Rother, D. (author), Roitzsch, M. (author), Poppek, U. (author), Meyer, J. (author), Schluter, U. (author), Gerritsen-Ebben, R.M. (author), Spaan, S. (author)
Dermal exposure is an important exposure route for occupational exposure and risk assessment. A fluorescence method has been developed to quantify occupational dermal exposure based on a visualization technique, using Tinopal SWN as a fluorescent tracer. The method was developed within the framework of a large experimental study, the SysDEA...
article 2021
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van Rooijen, A.L. (author), Bouma, H. (author), Pruim, R.H.R. (author), Baan, J. (author), Uijens, W.R. (author), van Mil, J.D. (author)
Person re-identification (Re-ID) is a valuable technique because it can assist in finding suspects after a terrorist attack. However, the machine learning algorithms for person Re-ID are usually trained on large datasets with images of many different people in a public space. This could pose privacy concerns for the people involved. One way to...
conference paper 2020
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Meijer, R. (author), van Dam, E. (author), Bouma, H. (author), Baan, J. (author), van der Hurk, S.E. (author)
Objective: The objective of this research is to study the feasibility of measuring behavioral indicators that reflect effects of infrastructure and interaction with other road users. Methods: An observation study was performed using 6 cameras above a separated cycle path next to a road which included a crossing with both cyclists and cars. A...
article 2020
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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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Bouma, H. (author), Schutte, K. (author), ten Hove, R.J.M. (author), Burghouts, G.J. (author), Baan, J. (author)
Surveillance systems are essential for the protection of military compounds and critical infrastructures. Automatic recognition of suspicious activities can augment human operators to find relevant threats. Common solutions for behavior analysis or action recognition require large amounts of training data. However, suspicious activities and...
conference paper 2018
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Meijer, R. (author), van Dam, E. (author), Bouma, H. (author), Baan, J. (author), van der Hurk, S.E. (author)
Although, in The Netherlands the infrastructure has been made cyclist friendly, 78.400 cyclist were treated at the first aid because of an accident in 2014. Especially with the upcoming of various types of powered bikes, more detailed analyses on the safety critical situations for cy-clists is needed in order to adequately adapt and further...
conference paper 2018
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Schutte, K. (author), Burghouts, G. (author), van der Stap, N. (author), Westerwoudt, V.L. (author), Bouma, H. (author), Kruithof, M.C. (author), Baan, J. (author), ten Hove, R.J.M. (author)
The bottleneck in situation awareness is no longer in the sensing domain but rather in the data interpretation domain, since the number of sensors is rapidly increasing and it is not affordable to increase human data-analysis capacity at the same rate. Automatic image analysis can assist a human analyst by alerting when an event of interest...
conference paper 2016
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van den Broek, S.P. (author), Nieuwenhuizen, R.P.J. (author), Fischer, N.M. (author), ter Haar, F.B. (author), Baan, J. (author), Van Der Stap, N. (author), Dijk, J. (author), Schutte, K. (author)
Naval ships have camera systems available to assist in performing their operational tasks. Some include automatic detection and tracking, assisting an operator by keeping a ship in view or by keeping collected information about ships. Tracking errors limit the use of camera information. When keeping a ship in view, an operator has to re-Target a...
conference paper 2016
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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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Bouma, H. (author), Burghouts, G.J. (author), den Hollander, R.J.M. (author), van der Zee, S. (author), Baan, J. (author), ten Hove, R.J.M. (author), van Diepen, C.J. (author), van den Haak, W.P. (author), van Rest, J. (author)
Deception detection is valuable in the security domain to distinguish truth from lies. It is desirable in many security applications, such as suspect and witness interviews and airport passenger screening. Interviewers are constantly trying to assess the credibility of a statement, usually based on intuition without objective technical support....
conference paper 2016
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van Eekeren, A.W.M. (author), van Huis, J.R. (author), Eendebak, P.T. (author), Baan, J. (author)
Airborne platforms, such as UAV's, with Wide Area Motion Imagery (WAMI) sensors can cover multiple square kilometers and produce large amounts of video data. Analyzing all data for information need purposes becomes increasingly labor-intensive for an image analyst. Furthermore, the capacity of the datalink in operational areas may be inadequate...
conference paper 2015
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Bouma, H. (author), Baan, J. (author), ter Haar, F.B. (author), Eendebak, P.T. (author), den Hollander, R.J.M. (author), Burghouts, G.J. (author), Wijn, R. (author), van den Broek, S.P. (author), van Rest, J.H.C. (author)
In the security domain, cameras are important to assess critical situations. Apart from fixed surveillance cameras we observe an increasing number of sensors on mobile platforms, such as drones, vehicles and persons. Mobile cameras allow rapid and local deployment, enabling many novel applications and effects, such as the reduction of violence...
conference paper 2015
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den Hollander, R.J.M. (author), Bouma, H. (author), Baan, J. (author), Eendebak, P.T. (author), van Rest, J.H.C. (author)
Person tracking across non-overlapping cameras and other types of video analytics benefit from spatial calibration information that allows an estimation of the distance between cameras and a relation between pixel coordinates and world coordinates within a camera. In a large environment with many cameras, or for frequent ad-hoc deployments of...
conference paper 2015
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Vlasblom, E. (author), Baan, J. (author), van Huis, J. (author), Zwier, E. (author), Schavemaker, J. (author), Engbers, L. (author)
Het schoolplein is de ideale plek voor kinderen en jongeren om gezellig samen te bewegen. Maar steeds meer kinderen en jongeren bewegen te weinig; slechts één op de vijf behaalt de norm van dagelijks minimaal 60 minuten (matig) intensief bewegen. Dit kan ernstige gevolgen hebben voor de gezondheid en het welzijn. Daarnaast kunnen ook minder...
other 2014
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Bouma, H. (author), van Rest, J.H.C. (author), Burghouts, G.J. (author), Schutte, K. (author), Baan, J. (author)
To improve security in crowded environments, such as airports, shopping malls and railway stations, the number of surveillance cameras (CCTV) is rapidly increasing. However, the number of human operators remains limited and only a selection of the video streams can be observed. This makes it hard for an operator to be proactive. This paper gives...
article 2014
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