Search Results - "Stoffels, Johannes"

Improvement of the Fmask algorithm for Sentinel-2 images: Separating clouds from bright surfaces based on parallax effects by Frantz, David, Haß, Erik, Uhl, Andreas, Stoffels, Johannes, Hill, Joachim

“…Reliable identification of clouds is necessary for any type of optical remote sensing image analysis, especially in operational and fully automatic setups. One…”
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The Potential of EnMAP and Sentinel-2 Data for Detecting Drought Stress Phenomena in Deciduous Forest Communities by Dotzler, Sandra, Hill, Joachim, Buddenbaum, Henning, Stoffels, Johannes

“…Given the importance of forest ecosystems, the availability of reliable, spatially explicit information about the site-specific climate sensitivity of tree…”
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Extension of an Open GEOBIA Framework for Spatially Explicit Forest Stratification with Sentinel-2 by Brauchler, Melanie, Stoffels, Johannes, Nink, Sascha

“…Spatially explicit information about forest cover is fundamental for operational forest management and forest monitoring. Although open-satellite-based earth…”
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Forest disturbance characterization in the era of earth observation big data: A mapping review by Rodríguez Paulino, Enmanuel, Schlerf, Martin, Röder, Achim, Stoffels, Johannes, Udelhoven, Thomas

“…•We reviewed 104 publications that characterized forest disturbances.•Most of the studies used spectral temporal metrics from the short-wave infrared region as…”
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Leveraging OSM and GEOBIA to Create and Update Forest Type Maps by Brauchler, Melanie, Stoffels, Johannes

“…Up-to-date information about the type and spatial distribution of forests is an essential element in both sustainable forest management and environmental…”
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ALS as Tool to Study Preferred Stem Inclination Directions by Lamprecht, Sebastian, Stoffels, Johannes, Udelhoven, Thomas

“…Although gravitropism forces trees to grow vertically, stems have shown to prefer specific orientations. Apart from wind deforming the tree shape, lateral…”
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Clinical and Magnetic Resonance Imaging Outcome Predictors in Pediatric Anti–N‐Methyl‐D‐Aspartate Receptor Encephalitis by Bartels, Frederik, Krohn, Stephan, Nikolaus, Marc, Johannsen, Jessika, Wickström, Ronny, Schimmel, Mareike, Häusler, Martin, Berger, Andrea, Breu, Markus, Blankenburg, Markus, Stoffels, Johannes, Hendricks, Oliver, Bernert, Günther, Kurlemann, Gerd, Knierim, Ellen, Kaindl, Angela, Rostásy, Kevin, Finke, Carsten

“…Objective To evaluate disease symptoms, and clinical and magnetic resonance imaging (MRI) findings and to perform longitudinal volumetric MRI analyses in a…”
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Cerebrospinal fluid findings in patients with myelin oligodendrocyte glycoprotein (MOG) antibodies. Part 2: Results from 108 lumbar punctures in 80 pediatric patients by Jarius, Sven, Lechner, Christian, Wendel, Eva M, Baumann, Matthias, Breu, Markus, Schimmel, Mareike, Karenfort, Michael, Marina, Adela Della, Merkenschlager, Andreas, Thiels, Charlotte, Blaschek, Astrid, Salandin, Michela, Leiz, Steffen, Leypoldt, Frank, Pschibul, Alexander, Hackenberg, Annette, Hahn, Andreas, Syrbe, Steffen, Strautmanis, Jurgis, Häusler, Martin, Krieg, Peter, Eisenkölbl, Astrid, Stoffels, Johannes, Eckenweiler, Matthias, Ayzenberg, Ilya, Haas, Jürgen, Höftberger, Romana, Kleiter, Ingo, Korporal-Kuhnke, Mirjam, Ringelstein, Marius, Ruprecht, Klemens, Siebert, Nadja, Schanda, Kathrin, Aktas, Orhan, Paul, Friedemann, Reindl, Markus, Wildemann, Brigitte, Rostásy, Kevin

“…New-generation, cell-based assays have demonstrated a robust association of serum autoantibodies to full-length human myelin oligodendrocyte glycoprotein…”
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A Machine Learning Method for Co-Registration and Individual Tree Matching of Forest Inventory and Airborne Laser Scanning Data by Lamprecht, Sebastian, Hill, Andreas, Stoffels, Johannes, Udelhoven, Thomas

“…Determining the exact position of a forest inventory plot-and hence the position of the sampled trees-is often hampered by a poor Global Navigation Satellite…”
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Using Landsat and Sentinel-2 Data for the Generation of Continuously Updated Forest Type Information Layers in a Cross-Border Region by Nink, Sascha, Hill, Joachim, Stoffels, Johannes, Buddenbaum, Henning, Frantz, David, Langshausen, Joachim

“…From global monitoring to regional forest management there is an increasing demand for information about forest ecosystems. For border regions that are closely…”
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Erratum: A Machine Learning Method for Co-Registration and Individual Tree Matching of Forest Inventory and Airborne Laser Scanning Data. Remote Sens. 2017, 9, 505 by Lamprecht, Sebastian, Hill, Andreas, Stoffels, Johannes, Udelhoven, Thomas

“…Since Equation (2) has been rearranged incorrectly during preparation for this article [1], the authors would like to correct the relevant text of Section…”
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Assessing the Suitability of Future Multi- and Hyperspectral Satellite Systems for Mapping the Spatial Distribution of Norway Spruce Timber Volume by Nink, Sascha, Hill, Joachim, Buddenbaum, Henning, Stoffels, Johannes, Sachtleber, Thomas, Langshausen, Joachim

“…The availability of accurate and timely information on timber volume is important for supporting operational forest management. One option is to combine…”
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aTrunk—An ALS-Based Trunk Detection Algorithm by Lamprecht, Sebastian, Stoffels, Johannes, Dotzler, Sandra, Haß, Erik, Udelhoven, Thomas

“…This paper presents a rapid multi-return ALS-based (Airborne Laser Scanning) tree trunk detection approach. The multi-core Divide & Conquer algorithm uses a…”
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Satellite-Based Derivation of High-Resolution Forest Information Layers for Operational Forest Management by Johannes Stoffels, Joachim Hill, Thomas Sachtleber, Sebastian Mader, Henning Buddenbaum, Oksana Stern, Joachim Langshausen, Jürgen Dietz, Godehard Ontrup

“…A key factor for operational forest management and forest monitoring is the availability of up-to-date spatial information on the state of forest resources…”
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Carbon stocks and their spatial distribution in drained and rewetted peatland forests in a low mountain range area, Germany by Jan Paul Krüger, Markus Dotterweich, Angelika Seifert-Schäfer, Svenja Hoffmann, Christoph Kopf, Christof Kneisel, Sandra Dotzler, Sascha Nink, Johannes Stoffels, Gebhard Schüler

“…Drainage and rewetting of peatlands changes their carbon (C) dynamics. We measured C stocks in the soil and biomass of drained and rewetted peatland forests in…”
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Field Imaging Spectroscopy of Beech Seedlings under Dryness Stress by Buddenbaum, Henning, Stern, Oksana, Stellmes, Marion, Stoffels, Johannes, Pueschel, Pyare, Hill, Joachim, Werner, Willy

“…In order to monitor dryness stress under controlled conditions, we set up an experiment with beech seedlings in plant pots and built a platform for observing…”
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Antibodies to MOG and AQP4 in children with neuromyelitis optica and limited forms of the disease by Lechner, Christian, Baumann, Matthias, Hennes, Eva-Maria, Schanda, Kathrin, Marquard, Klaus, Karenfort, Michael, Leiz, Steffen, Pohl, Daniela, Venkateswaran, Sunita, Pritsch, Martin, Koch, Johannes, Schimmel, Mareike, Häusler, Martin, Klein, Andrea, Blaschek, Astrid, Thiels, Charlotte, Lücke, Thomas, Gruber-Sedlmayr, Ursula, Kornek, Barbara, Hahn, Andreas, Leypoldt, Frank, Sandrieser, Torsten, Gallwitz, Helge, Stoffels, Johannes, Korenke, Christoph, Reindl, Markus, Rostásy, Kevin

“…ObjectiveTo determine the frequency and clinical-radiological associations of antibodies to myelin oligodendrocyte glycoprotein (MOG) and aquaporin-4 (AQP4) in…”
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Using VNIR and SWIR field imaging spectroscopy for drought stress monitoring of beech seedlings by Buddenbaum, Henning, Stern, Oksana, Paschmionka, Barbara, Hass, Erik, Gattung, Thomas, Stoffels, Johannes, Hill, Joachim, Werner, Willy

“…Drought stress is expected to become a recurrent problem for central European forests due to regional climate change. In order to study the effects on one of…”
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Missing the target? A critical view on butterfly conservation efforts on calcareous grasslands in south-western Germany by Filz, Katharina J., Engler, Jan O., Stoffels, Johannes, Weitzel, Matthias, Schmitt, Thomas

“…Butterflies are strongly declining on grassland habitats of Central Europe. Therefore, the success of conservation measures on high quality grassland habitats…”
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Non-parametric small area models using shape-constrained penalized B-splines by Wagner, Julian, Münnich, Ralf, Hill, Joachim, Stoffels, Johannes, Udelhoven, Thomas

“…For the estimation of spruce timber reserves in individual forest districts of the German federal state Rhineland-Palatinate, small area methods are applied. A…”
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