Searched for: subject%3A%22Error%255C%2Banalysis%22
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Satsangi, Y. (author), Whiteson, S. (author), Oliehoek, F.A. (author), Bouma, H. (author)
Automated tracking is key to many computer vision applications. However, many tracking systems struggle to perform in real-time due to the high computational cost of detecting people, especially in ultra high resolution images. We propose a new algorithm called PartiMax that greatly reduces this cost by applying the person detector only to the...
conference paper 2017
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van Maanen, P.P. (author), Busschers, F.S. (author), Brouwer, A.M. (author), van der Meulen, M.J. (author), van Erp, J.B.F. (author)
Due to an expected increase in geological voxel model data-flow and user demands, the development of improved quality control for such models is crucial. This study explores the potential of a new type of quality control that improves the detection of errors by just using gaze behavior of 12 geological experts. Gaze is used as input for an...
article 2015
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Banzhaf, S. (author), Schaap, M. (author), Kerschbaumer, A. (author), Reimer, E. (author), Stern, R. (author), van der Swaluw, E. (author), Builtjes, P. (author)
The Chemistry Transport Model REM-Calgrid (RCG) has been improved by implementing an enhanced description of aqueous-phase chemistry and wet deposition processes including droplet pH. A sensitivity study on cloud and rain droplet pH has been performed to investigate its impact on model sulphate production and gas wet scavenging. Air...
article 2012
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van der Heiden, M.S. (author), Henken, K.R. (author), Cheng, L.K. (author), van den Bosch, B.G. (author), van den Braber, R. (author), Dankelman, J. (author), van den Dobbelsteen, J.J. (author)
Background: The mechanical properties of small minimally invasive instruments are limited and thus must be treated as flexible instruments. Proper functional behavior of these instruments can be significantly enhanced when the instrument is equipped with a shape sensor to track the path of the flexible instrument. MRI compatible instruments, and...
conference paper 2012
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Leskens, M. (author), de Kruif, B. (author), Belfroid, S.P.C. (author), Smeulers, J.P.M. (author), Gryzlov, A. (author), TNO Industrie en Techniek (author)
Multiphase flow meters are indispensable tools for achieving optimal operation and control of wells as these meters deliver real-time information about their performance. For example, multiphase flow meters located downhole can improve the production of multilateral and multizone wells by timely allocating the zone where a gas or water cone...
conference paper 2008
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Yang, H. (author), Schenk, T.C.W. (author), Smulders, P.F.M. (author), Fledderus, E.R. (author), TNO Informatie- en Communicatietechnologie (author)
This work investigates the joint impact of quantization and clipping, caused by analog-to-digital converters (ADCs) with low bit resolutions, on single- and multi-carrier block transmission systems in wireless multipath environments. We consider single carrier block transmission with frequency domain equalization (SC-FDE) and the multi-carrier...
conference paper 2008
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van Leeuwen, D.A. (author), Konečný, M. (author), TNO Defensie en Veiligheid (author)
In this paper we describe the AMIDA speaker dizarization system as it was submitted to the NIST Rich Transcription evaluation 2007 for conference room data. This is done in the context of the history of this system and other speaker diarization systems. One of the goals of our system is to have as little tunable parameters as possible, while...
conference paper 2008
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Hoogendoorn, M. (author), Jonker, C.M. (author), van Maanen, P.P. (author), Sharpanskykh, A. (author), TNO Defensie en Veiligheid (author)
Within the field of incident management split second decisions have to be made, usually on the basis of incomplete and partially incorrect information. As a result of these conditions, errors occur in such decision processes. In order to avoid repetition of such errors, historic cases, disaster plans, and training logs need to be thoroughly...
article 2008
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Hinnen, K. (author), Verhaegen, M. (author), Doelman, N.J. (author), TNO Industrie en Techniek (author)
A recently proposed data-driven H2-optimal control approach is demonstrated on a laboratory setup. Most adaptive optics (AO) systems are based on a control law that neglects the temporal evolution of the wavefront. The proposed control approach is able to exploit the spatiotemporal correlation in the wavefront without assuming any form of...
article 2007
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Dekkers, S. (author), Telman, J. (author), Rennen, M.A.J. (author), Appel, M.J. (author), de Heer, C. (author), TNO Industrie en Techniek TNO Kwaliteit van Leven (author)
In this study, the within-animal variation in routinely studied continuous toxicological parameters was estimated from temporal fluctuations in individual healthy nonexposed animals. Assuming that these fluctuations are nonadverse, this within-animal variation may be indicative of the minimal magnitude of the critical effect size (CES). The CES...
article 2006
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Denier van der Gon, H.A.C. (author), Bleeker, A. (author), TNO Bouw en Ondergrond (author)
Nitrous oxide (N2O) is a potent greenhouse gas produced in soils and aquatic systems. The UNFCCC requires participants to report 'indirect' N2O emissions, following from agricultural N losses to ground- and surface water and N deposition on (other) ecosystems due to agricultural sources. Indirect N2O emission due to atmospheric N deposition is...
article 2005
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Arlandis, J. (author), Over, P. (author), Kraaij, W. (author), TNO Industrie en Techniek (author)
In this paper, an error analysis based on boundary error popularity (frequency) including semantic boundary categorization is applied in the context of the news story segmentation task from TRECVTD1. Clusters of systems were defined based on the input resources they used including video, audio and automatic speech recognition. A cross-popularity...
conference paper 2005
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Schraagen, J.M.C. (author), van Dongen, C.J.G. (author), TNO Defensie en Veiligheid (author)
Good memorability of licence plates is important in those cases where licence plates are viewed for a brief period of time and the information is essential for police investigations. The purpose of the current study was to design a new Dutch licence plate that could be remembered well. A memory experiment was conducted, in which 16 different...
article 2005
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Leskens, M. (author), van den Hof, P.M.J. (author), TNO Milieu, Energie en Procesinnovatie (author)
In many multivariable industrial processes a subset of the available input signals is being controlled. In this paper it is analyzed in which sense the resulting partial closed-loop 1 identification problem is actually a full closed-loop problem, or whether one can benefit from the presence of noncontrolled inputs to simplify the identification...
conference paper 2004
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Sunyoto, H. (author), van der Mark, W. (author), Gavrila, D.M. (author)
With recent hardware advances, real-time dense stereo vision becomes increasingly feasible for general-purpose processors. This has important benefits for the intelligent vehicles domain, alleviating object segmentation problems when sensing complex, cluttered traffic scenes. In this paper, we present a framework ofreal-time dense stereo vision...
conference paper 2004
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Zagers, N.P.A. (author), van Norren, D. (author)
We measured the amplitude of the directional component of the bleached fundus reflectance, the so-called optical Stiles-Crawford effect, as a function of wavelength. The directional reflectance originates from within the outer segments of the photoreceptors. Thus only two anterior absorbers are of importance: Macular pigment and the crystalline...
article 2004
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Mantel, O.C. (author), Rijken, M. (author), Matic, D. (author), Mawira, A. (author)
Signal level predictions for sector antennas in mobile networks strongly depend on the antenna pattern used in the prediction tool. For built-up areas, reflections and scattering often lead to a significant energy component at the back of the antenna, and the theoretical antenna pattern does not account for this effect. We propose a method that ...
conference paper 2004
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Smith, A.J.E. (author)
When utilizing knowledge of the spacecraft trajectory for near real-time geocoding of Synthetic Aperture Radar (SAR) images, the main problem is that predicted satellite orbits have to be used, which may be in error by several kilometres. As part of the development of a Dutch autonomous mobile ground station to receive and process satellite SAR...
article 2003
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Langendijk, E.H.A. (author), Kistler, D.J. (author), Wightman, F.L. (author), TNO Technische Menskunde (author)
Localizing a target sound can be a challenge when one or more distracter sounds are present at the same time. This study measured the effect of distracter position on target localization for one distracter (17 positions) and two distracters (21 combinations of 17 positions). Listeners were instructed to point to the apparent position of a train...
article 2001
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TNO Fysisch en Elektronisch Laboratorium (author), Breuers, M. (author), de Reus, N.M. (author)
The problem of estimating aircraft pose information from mono-ocular image data is considered using a Fourier descriptor based algorithm. The dependence of pose estimation accuracy on image resolution and aspect angle is investigated through simulations using sets of synthetic aircraft images. Further evaluation shows that good pose estimation...
conference paper 2001
Searched for: subject%3A%22Error%255C%2Banalysis%22
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