Searched for: department%3A%22Geoscience%255C+%2526%255C+Remote%255C+Sensing%22
(1 - 20 of 136)
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Sirmacek, B. (author), Lindenbergh, R.C. (author)Development of laser scanning technologies has promoted tree monitoring studies to a new level, as the laser scanning point clouds enable accurate 3D measurements in a fast and environmental friendly manner. In this paper, we introduce a probability matrix computation based algorithm for automatically classifying laser scanning point clouds into...conference paper 2015
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Sithole, G. (author), Gorte, B.G.H. (author)As lidar point clouds become larger streamed processing becomes more attractive. This paper presents a framework for the streamed segmentation of point clouds with the intention of segmenting unstructured point clouds in real-time. The framework is composed of two main components. The first component segments points within a window shifting over...conference paper 2012
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- Hashemifarahani, H. (author), Ditmar, P.G. (author), Inacio, P.M.G. (author), Klees, R. (author), Guo, J. (author), Guo, X. (author), Liu, X. (author), Zhao, Q. (author), Didova, O. (author), Ran, J. (author), Sun, Y. (author), Tangdamrongsub, N. (author), Gunter, B.C. (author), Riva, R.E.M. (author), Steele-Dunne, S.C. (author) conference paper 2014
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- Lenderink, G. (author), Attema, J. (author), Loriaux, J.M. (author), Van Meijgaard, E. (author) conference paper 2014
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Guttler, I. (author), Stepanov, I. (author), Nikulin, G. (author), Jones, C. (author), Brankovic, C. (author)The aim of this study is to evaluate the improvement in simulated precipitation of the third version of the Rossby Centre Climate model (RCA3), when run at horizontal resolutions of 50, 25, 12 and 6 km. The analysis is focused on the countries of Switzerland and Norway, where complex orography can play a dominant role in precipitation formation....conference paper 2014
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Veerman, H. (author), Van Kleef, A. (author), Wokke, F. (author), Ober, O. (author), Tiberius, C.C.J.M. (author), Verhagen, A.A. (author), Bos, A. (author), Mieremet, A. (author)The paper presents a short introduction to the mathematical theory of the EVT, the consecutive steps that are made in the software tool to address MI probability estimation and proof of range error distribution overbounding. Finally some early results obtained by GIMAT are presented.conference paper 2012
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Yang, J. (author), Jia, L. (author), Cui, Y. (author), Zhou, J. (author), Menenti, M. (author)A simple linear mixing model of heterogeneous soil-vegetation system and retrieval of component temperatures from directional remote sensing measurements by inverting this model is evaluated in this paper using observations by a thermal camera. The thermal camera was used to obtain multi-angular TIR (Thermal Infra-Red) images over vegetable and...conference paper 2014
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Pfitzenmaier, L. (author), Dufournet, Y. (author), Unal, C.M.H. (author), Russchenberg, H.W.J. (author)Mixed-phase clouds play an important role in the earth system. They affect earth radiative balance and the climate (Comstock et al., 2007; Solomon et al., 2007) as well as the formation of precipitation (de Boer et al., 2009; Fan et al., 2011; Lamb and Verlinde, 2011). Within such mixed-phase clouds supercooled water droplets and ice particles...conference paper 2014
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Lindenbergh, R.C. (author), Berthold, D. (author), Sirmacek, B. (author), Herrero-Huerta, M. (author), Wang, J. (author), Ebersbach, D. (author)In urbanized Western Europe trees are considered an important component of the built-up environment. This also means that there is an increasing demand for tree inventories. Laser mobile mapping systems provide an efficient and accurate way to sample the 3D road surrounding including notable roadside trees. Indeed, at, say, 50 km/h such systems...conference paper 2015
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Imparato, D. (author)Integrity for GNSS (Global Navigation Satellite Systems) at user level is monitored by means of RAIM (Receiver Autonomous Integrity Monitoring) algorithms. Most RAIM algorithms are based on detection tests, which are able to detect and identify possible anomalies in the measurements and eventually exclude suspected measurements from the position...conference paper 2014
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- Dheenathayalan, P. (author), Small, D. (author), Hanssen, R.F. (author) conference paper 2014
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Lee, D. (author), Pietrzyk, P. (author), Donkers, S. (author), Liem, V. (author), van Oostveen, J. (author), Montazeri, S. (author), Boeters, R. (author), Colin, J. (author), Kastendeuch, P. (author), Nerry, F. (author), Menenti, M. (author), Gorte, B.G.H. (author), Verbree, E. (author)The impact of 3D geometry complexity on the accuracy of simulating radiative, convective and conductive fluxes in an urban canyon was explored. The research involved the collection of meteorological data in an urban canyon in the city of Strasbourg, France, for input into a 3D model called LASER/F, which simulates the aforementioned fluxes. The...conference paper 2013
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Gunter, B.C. (author), Maessen, D.C. (author)The goal of this study is to explore those applications which can best utilize a network of orbiting satellites working as a distributed computing array. The satellites are presumed to be low-cost mini- or micro-satellites orbiting Earth or some other celestial body (i.e., an asteroid, moon, etc.), and should have a (near) constant communication...conference paper 2010
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Unal, C.M.H. (author), Dufournet, Y. (author), Otto, T. (author), Russchenberg, H.W.J. (author)In the past 10 years, the S-band FM-CW TARA (Transportable Atmospheric RAdar), placed at the Cabauw Experimental Site for Atmospheric Research (CESAR), provided in real-time vertical profiles of the Doppler moments. Classical spectral processing was carried out. The polarimetric and multi-beam measurement capabilities of the radar were not...conference paper 2012
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Stepanov, I. (author), Russchenberg, H.W.J. (author)The observations of on-board satellite imaging radiometers are representative of a far-reaching two-dimensional cloud top properties, however with a cutback in the capacity of profiling the cloud vertically. A combination of simulated radiances calculated at the top of the cloud in the near-infrared (IR) and thermal infrared part of the spectra,...conference paper 2014
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- Maffei, C. (author), Maselli, F. (author), Menenti, M. (author) conference paper 2014
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Stepanov, I. (author), Placidi, S. (author), Russchenberg, H.W.J. (author)Earth's low altitude, warm, layered clouds play a major role in the climate system, reflecting back a large amount of the incoming shortwave radiation from the Sun. Stratocumulus (Sc) clouds are typical representatives of such type of clouds. They cover vast areas, extensively spreading in horizontal direction, having a considerable impact on...conference paper 2012
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- Maffei, C. (author), Menenti, M. (author) conference paper 2013
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Verhagen, A.A. (author), Teunissen, P.J.G. (author), Van der Marel, H. (author), Li, B. (author)A key issue with GNSS carrier phase ambiguity resolution is that often the full set of ambiguities cannot be fixed fast and reliably. A possible strategy is then to resolve only a subset of ambiguities, one for which the probability of correct fixing, the so-called success rate, is sufficiently close to 1. However, a proper subset selection...conference paper 2011
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- Oude Nijhuis, A.C.P. (author), Krasnov, O.A. (author), Unal, C.M.H. (author), Russchenberg, H.W.J. (author), Yarovoy, A. (author) conference paper 2015
Searched for: department%3A%22Geoscience%255C+%2526%255C+Remote%255C+Sensing%22
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