Search Results - "Delalieux, S."

Heathland conservation status mapping through integration of hyperspectral mixture analysis and decision tree classifiers by Delalieux, S., Somers, B., Haest, B., Spanhove, T., Vanden Borre, J., Mücher, C.A.

“…Monitoring the conservation status of natural habitats is an essential aspect of effective conservation management. Not only data on habitat occurrence are…”
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An automated waveband selection technique for optimized hyperspectral mixture analysis by Somers, B., Delalieux, S., Verstraeten, W. W., van Aardt, J. A. N., Albrigo, G. L., Coppin, P.

“…Linear spectral mixture analysis (SMA) has been used extensively in remote sensing studies to estimate the sub-pixel composition of spectral mixtures. The lack…”
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The impact of common assumptions on canopy radiative transfer simulations: A case study in Citrus orchards by Stuckens, J., Somers, B., Delalieux, S., Verstraeten, W.W., Coppin, P.

“…Radiative transfer (RT) models for canopies entail multiple implicit and explicit assumptions. In this case study six different commonly used assumptions were…”
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A weighted linear spectral mixture analysis approach to address endmember variability in agricultural production systems by Somers, B., Delalieux, S., Stuckens, J., Verstraeten, W. W., Coppin, P.

“…The least squares error (LSE) technique is frequently used to estimate abundance fractions in linear spectral mixture analysis (LSMA). The LSE is typically…”
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A near-infrared narrow-waveband ratio to determine Leaf Area Index in orchards by Delalieux, S., Somers, B., Hereijgers, S., Verstraeten, W.W., Keulemans, W., Coppin, P.

“…An innovative index for LAI estimation over orchard canopies based on the combination of two near-infrared narrow wavebands (1050 nm and 1250 nm) is presented…”
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Monitoring environmental health using SPOT-VEGETATION-derived and field-measured spectral indices in Karabash, Russia by Tote, C., Delalieux, S., Goossens, M., Williamson, B.J., Swinnen, E.

“…The objective of this study was to use satellite imagery combined with field-based spectral analysis to assess the impacts of mining-related activities on…”
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Hyperspectral indices to diagnose leaf biotic stress of apple plants, considering leaf phenology by Delalieux, S., Somers, B., Verstraeten, W. W., van Aardt, J. A. N., Keulemans, W., Coppin, P.

“…Novel and existing hyperspectral vegetation indices were evaluated in this study, with the aim of assessing their utility for accurate tracking of leaf…”
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Modelling moisture‐induced soil reflectance changes in cultivated sandy soils: a case study in citrus orchards by Somers, B, Gysels, V, Verstraeten, W.W, Delalieux, S, Coppin, P

“…The value of hyperspectral imagery in agricultural management has been amply demonstrated. Despite this, image interpretation is often drastically impeded by…”
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Magnitude- and Shape-Related Feature Integration in Hyperspectral Mixture Analysis to Monitor Weeds in Citrus Orchards by Somers, B., Delalieux, S., Verstraeten, W.W., Verbesselt, J., Lhermitte, S., Coppin, P.

“…Traditionally, spectral mixture analysis (SMA) fails to fully account for highly similar ground components or endmembers. The high similarity between weed and…”
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COMPACT HYPERSPECTRAL IMAGING SYSTEM (COSI) FOR SMALL REMOTELY PILOTED AIRCRAFT SYSTEMS (RPAS) – SYSTEM OVERVIEW AND FIRST PERFORMANCE EVALUATION RESULTS by Sima, A. A., Baeck, P., Nuyts, D., Delalieux, S., Livens, S., Blommaert, J., Delauré, B., Boonen, M.

“…This paper gives an overview of the new COmpact hyperSpectral Imaging (COSI) system recently developed at the Flemish Institute for Technological Research…”
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Hyperspectral canopy measurements under artificial illumination by Delalieux, S., Somers, B., Verstraeten, W. W., Keulemans, W., Coppin, P.

“…Hyperspectral canopy reflectance measurements are usually obtained under ambient solar illumination. In some specific cases, however, the use of artificial…”
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Model inversion for chlorophyll estimation in open canopies from hyperspectral imagery by Kempeneers, P., Zarco-Tejada, P. J., North, P. R. J., de Backer, S., Delalieux, S., Sepulcre-Cantó, G., Morales, F., van Aardt, J. A. N., Sagardoy, R., Coppin, P., Scheunders, P.

“…This paper presents the results of estimation of leaf chlorophyll concentration through model inversion, from hyperspectral imagery of artificially treated…”
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Superior sulcus tumor arising in an azygos lobe by Delalieux, S., Hendriks, J., Valcke, Y., Somville, J., Lauwers, P., Van Schil, P.

“…A non-small cell lung cancer presenting as a superior sulcus tumor in an azygos lobe has not yet been reported. We present such a case in a 69-year-old man…”
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Emergency endovascular aneurysm repair for ruptured abdominal aortic aneurysms: an institutional experience by Delalieux, S., Hendriks, J.M.H., Lauwers, P., Schwagten, V., Jorens, Ph, d'Archambeau, O., Van der Zijden, Th, Hertoghs, M., Van Schil, P.E.Y.

“…Objectives: Emergency endovascular aneurysm repair (eEVAR) for ruptured abdominal aortic aneurysms (rAAA) is still under investigation. Since installation of…”
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Precision fruticulture in Flanders – a four-year study on sensing techniques, data analysis and variable rate applications by Vandermaesen, J., Delalieux, S., Rombouts, B., Smedts, Y., Bal, J., Bylemans, D., Remy, S.

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Evaluation and demonstration of precision management practices in pear orchards by Vandermaesen, J., Akkermans, W., Delalieux, S., Bal, J., Smedts, Y., Bylemans, D., Remy, S.

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Nonlinear Hyperspectral Mixture Analysis for tree cover estimates in orchards by Somers, Ben, Cools, Kenneth, Delalieux, Stephanie, Stuckens, Jan, Van der Zande, Dimitry, Verstraeten, Willem W., Coppin, Pol

“…Accurate monitoring of spatial and temporal variation in tree cover provides essential information for steering management practices in orchards. In this…”
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Detection of biotic stress ( Venturia inaequalis) in apple trees using hyperspectral data: Non-parametric statistical approaches and physiological implications by Delalieux, Stephanie, van Aardt, Jan, Keulemans, Wannes, Schrevens, Eddie, Coppin, Pol

“…The use of hyperspectral approaches for early detection of plant stress caused by Venturia inaequalis (apple scab) was investigated to move towards more…”
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A dorsiventral leaf radiative transfer model: Development, validation and improved model inversion techniques by Stuckens, Jan, Verstraeten, Willem W., Delalieux, Stephanie, Swennen, Rony, Coppin, Pol

“…A Dorsiventral Leaf Model (DLM) is presented to simulate leaf radiative transfer. DLM was conceived as a plate model with a stochastic distribution of…”
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Remote sensing as a useful tool in strawberry cultivation by Boonen, M., Gallace, N., Delalieux, S., Sima, A., Delauré, B., Bylemans, D.

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