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van Kooten, M. (author), Doelman, N.J. (author), Kenworthy, M. (author)For high-contrast imaging systems, the time delay is one of the major limiting factors for the performance of the extreme adaptive optics (AO) sub-system and, in turn, the final contrast. The time delay is due to the finite time needed to measure the incoming disturbance and then apply the correction. By predicting the behavior of the...article 2019
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Premel-Cabic, G. (author), de Wit, J.J.M. (author), Cuenca, M. Caro (author)The ALFA project aims at timely detection, tracking, classification, and intent assessment of LSS targets. The system relies on a heterogeneous sensor suite, including radar. The objective of the radar component is sector surveillance including target classification. Since the revisit time needs to be short, classification must be done with very...conference paper 2019
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Dijkstra-Soudarissanane, S.S. (author), Assal, K.E. (author), Gunkel, S.N.B. (author), ter Haar, F.T. (author), Hindriks, H.N. (author), Kleinrouweler, J.W.M. (author), Niamut, O. (author)Recent developments in key technologies like 5G, Augmented and Virtual Reality (AR/VR) and Tactile Internet result in new possibilities for communication. Particularly, these key digital technologies can enable remote communication and collaboration in remote experiences. In this demo, we work towards 6-degrees of freedom (DoF) photo-realistic...conference paper 2019
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Damodaran, M. (author), Amelink, A. (author), Feroldi, F. (author), Lochocki, B. (author), Davidoiu, V. (author), de Boer, J.F. (author)Scanning laser ophthalmoscopes (SLOs) have the potential to perform high speed, high contrast, functional imaging of the human retina for diagnosis and follow-up of retinal diseases. Commercial SLOs typically use a monochromatic laser source or a superluminescent diode for imaging. Multispectral SLOs using an array of laser sources for spectral...article 2019
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Zulqarnain, M. (author), Stanzione, S. (author), van der Steen, J.L.P.J. (author), Gelinck, G.H. (author), Myny, K. (author), Cantatore, E. (author)This work presents a low power ECG interface for wearable applications, based on unipolar a-IGZO TFTs manufactured on a flexible substrate. The interface consists of a cascaded diode-connected load preamplifier followed by a reset integrator, which is used to convert the voltage signal to a pulse-width modulated (PWM) representation. The output...conference paper 2019
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Nieuwenhuizen, R.P.J. (author), Schottner, M. (author), Pruim, R.H.R. (author), van Dijk, R. (author), van der Stap, N. (author), Schutte, K. (author)Hyperspectral imaging sensors acquire images in a large number of spectral bands, unlike traditional electro-optical and infrared sensors which sample only one or few bands. Hyperspectral mosaic sensors acquire an image of all spectral bands in one shot. Using a patterned array of spectral filters they measure different wavelength bands at...conference paper 2019
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Toet, A. (author), Hogervorst, M.A. (author)In military operations signature reduction techniques such as camouflage nets, low-emissive paints, and camouflage patterns are typically deployed to optimize the survivability of high value assets by minimizing their detectability. Various methods have been developed to assess the effectiveness of these camouflage measures. There are three main...article 2019
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- Toet, A. (author), Hogervorst, M.A. (author) public lecture 2019
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Ibrahim, A. (author), Cicic, M. (author), Goswami, D. (author), Basten, T. (author), Johansson, K.H. (author)Vehicle platooning has been attracting attention recently because of its ability to improve road capacity, safety and fuel efficiency. Vehicles communicate using Vehicle-to- Vehicle (V2V) wireless communication, making their status (acceleration, position, etc.) available to other vehicles. Shock waves, i.e. zones of reduced traffic speed that...conference paper 2019
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Fockens, T.W.H. (author), Zwamborn, A.P.M. (author), Leferink, F. (author)Radio noise of man-made origin has been measured and studied since the 50s of the past century. From that time on, especially in the last two decades, the electromagnetic environment has changed due to the wide spread and increasingly complicated electronic and computing equipment in domestic and work premises. Not only the character of man-made...article 2019
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van der Bent, G. (author), de Hek, P. (author), van Vliet, F.E. (author)The application of stacked-FETs in power ampli fiers allows for a supply voltage higher than supported by the breakdown voltage of a single transistor. Potential benefits of the increased supply voltage are reduced supply currents and a lower matching ratio at the output of the amplifier. Furthermore, an increased output power per chip area is...article 2019
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Ara, H.A. (author), Behrouzian, A. (author), Hendriks, M. (author), Geilen, M. (author), Goswami, D. (author), Basten, T. (author)Multi-scale dataflow models have actors acting at multiple granularity levels, e.g., a dataflow model of a video processing application with operations on frame, line, and pixel level. The state of the art timing analysis methods for both static and dynamic dataflow types aggregate the behaviours across all granularity levels into one, often...article 2018
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Massaad, J. (author), van Neer, P.L.M.J. (author), van Willigen, D. (author), de Jong, N. (author), Pertijs, M. (author), Verweij, M. (author)Typically, ultrasonic flow meters assume linear wave propagation. Nevertheless, if the transducers of an ultrasonic flow sensor excite a pressure wave with a high amplitude, nonlinear wave propagation effects become significant. The appearance of higher harmonics increases the bandwidth of the received signal, which may potentially lead to a...conference paper 2018
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van der Sluis, F. (author), van den Broek, E.L. (author), van Drunen, A. (author), Beerends, J.G. (author)Bandwidth is still a limiting factor for the Quality of Service (QoS) of mobile communication applications. In particular, for Voice over IP the QoS is not yet as good as for common, well-engineered, public-switched telephone networks. Multisensory communication has been identified as a possibility to moderate this limitation. One of the...article 2018
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van der Stap, N. (author), van Opbroek, A.G. (author), Huizinga, W. (author), Wilmer, M.M.G. (author), van den Broek, S.P. (author), Pruim, R.H.R. (author), den Hollander, R.J.M. (author), Schutte, K. (author), Dijk, J. (author)Detecting maritime targets with electro-optical sensors is an active area of research. One current trend is to automate target detection through image processing or computer vision. Automation of target detection will decrease the number of people required for lower-level tasks, which frees capacity for higher-level tasks. A second trend is that...conference paper 2018
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Guo, Y. (author), Liu, Y. (author), de Boer, M.H.T. (author), Liu, L. (author), Lew, M.S. (author)General captioning practice involves a single forward prediction, with the aim of predicting the word in the next timestep given the word in the current timestep. In this paper, we present a novel captioning framework, namely Dual Prediction Network (DPN), which is end-to-end trainable and addresses the captioning problem with dual predictions....conference paper 2018
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Hogervorst, M.A. (author), Bijl, P. (author), Fuller, P. (author), Aartsen, R. (author), Jovanov, L. (author)Image-based Electro-Optical system simulation including an end-To-end performance test is a powerful tool to characterize a camera system before it has been built. In particular, it can be used in the design phase to make an optimal trade-off between performance on the one hand and SWaPC criteria on the other. During the design process, all...conference paper 2018
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van der Sluis, F. (author), Van Den Broek, E.L. (author), Van Drunen, A. (author), Beerends, J.G. (author)Available bandwidth is still a limiting factor for mobile communication applications. Multisensory communication has already been identified as an possibility to moderate this limitation. One of the strengths of mobile communication lies in its combination of visual and auditory modalities. However, one of the most salient features of mobile...conference paper 2018
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Kuiper, O.X. (author), Bos, J.E. (author), Diels, C. (author)Carsickness is associated with a mismatch between actual and anticipated sensory signals. Occupants of automated vehicles, especially when using a display, are at higher risk of becoming carsick than drivers of conventional vehicles. This study aimed to evaluate the impact of positioning of in-vehicle displays, and subsequent available...article 2018
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van Amerongen, A. (author), Rietjens, J. (author), Campo, J. (author), Dogan, E. (author), DIngjan, J. (author), Nalla, R. (author), Caron, J.F. (author), Hasekamp, O. (author)We have developed a 6 dm3-sized optical instrument to characterize the microphysical properties of fine particulate matter or aerosol in the Earth atmosphere from low Earth orbit. Our instrument can provide detailed and worldwide knowledge of aerosol amount, type and properties. This is important for climate and ecosystem science and human...conference paper 2018