• Enhancing the resolution of urban digital terrain models using mobile mapping systems 

  Feng, Yu; Brenner, Claus; Sester, Monika (Göttingen : Copernicus GmbH, 2018)

  Digital Terrain Models (DTMs) are essential surveying products for terrain based analyses, especially for overland flow modelling. Nowadays, many high resolution DTM products are generated by Airborne Laser Scanning (ALS). ...
• Context-based urban terrain reconstruction from images and videos 

  Bulatov, Dimitri; Rottensteiner, Franz; Schulz, Karsten (Göttingen : Copernicus GmbH, 2012)

  Detection of buildings and vegetation, and even more reconstruction of urban terrain from sequences of aerial images and videos is known to be a challenging task. It has been established that those methods that have as ...
• Data mining for classification of high volume dense lidar data in an urban area 

  Chauhan, I.; Brenner, Claus (Göttingen : Copernicus GmbH, 2018)

  3D LiDAR point cloud obtained from the laser scanner is too dense and contains millions of points with information. For such huge volume of data to be sorted, identified, validated and be used for prediction, data mining ...
• Boosted unsupervised multi-source selection for domain adaptation 

  Vogt, Karsten; Paul, A.; Ostermann, Jörn; Rottensteiner, Franz; Heipke, Christian (Göttingen : Copernicus GmbH, 2017)

  Supervised machine learning needs high quality, densely sampled and labelled training data. Transfer learning (TL) techniques have been devised to reduce this dependency by adapting classifiers trained on different, but ...
• Accuracy analysis of a low-cost platform for positioning and navigation 

  Hofmann, Sabine; Kuntzsch, C.; Schulze, Malte Jan; Eggert, D.; Sester, Monika (Göttingen : Copernicus GmbH, 2012)

  This paper presents an accuracy analysis of a platform based on low-cost components for landmark-based navigation intended for research and teaching purposes. The proposed platform includes a LEGO MINDSTORMS NXT 2.0 kit, ...
• Analyzing a block of HRSC image strips for a simultaneous bundle adjustment 

  Bostelmann, Jonas; Heipke, Christian (Göttingen : Copernicus GmbH, 2014)

  10 years ago the first European interplanetary mission Mars Express was launched and sent into orbit around Mars. One of the scientific instruments on board the orbiter is the High Resolution Stereo Camera (HRSC). This ...
• European Gravity Service for Improved Emergency Management (EGSIEM) - from concept to implementation 

  Jäggi, Adrian; Weigelt, M.; Flechtner, F.; Güntner, A.; Mayer-Gürr, T.; Martinis, S.; Bruinsma, S.; Flury, J.; Bourgogne, S.; Steffen, H.; Meyer, U.; Jean, Y.; Sušnik, A.; Grahsl, A.; Arnold, D.; Cann-Guthauser, K.; Dach, R.; Li, Z.; Chen, Q.; van Dam, T.; Gruber, C.; Poropat, L.; Gouweleeuw, B.; Kvas, A.; Klinger, B.; Lemoine, J.-M.; Biancale, R.; Zwenzner, H.; Bandikova, T.; Shabanloui, Akbar (London : The Royal Astronomical Society, 2019)

  Earth observation satellites yield a wealth of data for scientific, operational and commercial exploitation. However, the redistribution of mass in the system Earth is not yet part of the standard inventory of Earth ...
• Calibration of GRACE Accelerometers Using Two Types of Reference Accelerations 

  Koch, Igor; Shabanloui, Akbar; Flury, Jakob (Cham : Springer, 2018)

  Two approaches for the calibration of GRACE (Gravity Recovery And Climate Experiment) accelerometers are revisited. In the first approach, surface forces acting on the satellite are considered to derive the reference ...
• High tilt susceptibility of the Scintrex CG-5 relative gravimeters 

  Reudink, R.; Klees, R.; Francis, O.; Kusche, J.; Schlesinger, R.; Shabanloui, Akbar; Sneeuw, N.; Timmen, L. (Berlin Heidelberg : Springer, 2014)

  We report on the susceptibility of the Scintrex CG-5 relative gravimeters to tilting, that is the tendency of the instrument of providing incorrect readings after being tilted (even by small angles) for a moderate period ...
• Synchronized Load Quantification from Multiple Data Records for Analysing High-rise Buildings 

  Behrendt, Marco; Punurai, Wonsiri; Beer, Michael (2018)

  To analyse the reliability and durability of large complex structures such as high-rise buildings, most realistically, it is advisable to utilize site-specific load characteristics. Such load characteristics can be made ...
• An Autonomous Transportation Vehicle For Algorithm And Sensor Testing 

  Tennstedt, Benjamin; Schön, Steffen (Noordwijk, The Netherlands : ESA/ESTEC, 2018)

  This paper presents the implementation of an autonomous transportation vehicle as a kinematic test platform for navigation sensors and algorithms. The repeatability of the vehicle trajectory in an outdoor environment with ...
• Comparison of Daily GRACE Solutions to GPS Station Height Movements 

  Eicker, Annette; Kurtenbach, Enrico; Kusche, Jürgen; Shabanloui, Akbar (Berlin : Springer, 2014)

  In Kurtenbach (2011) and Kurtenbach et al. (2012) an approach has been introduced that allows to calculate daily gravity field solutions from GRACE data within the framework of a Kalman filter and smoother estimation. ...
• Global Gravity Field Models from Different GOCE Orbit Products 

  Shabanloui, Akbar; Schall, Judith; Eicker, Annette; Kusche, Jürgen (Berlin : Springer, 2014)

  In this contribution, the in-house (processed) GOCE products including precise orbit and Earth’s gravity field are compared to the official ESA products. The comparison is drawn on orbit product as well as gravity field ...
• Reliability Analysis of High Rise Building Considering Wind Load Uncertainty 

  Zhang, Yi; Yan, Keqin; Cheng, Tao (Teheran : K. N. Toosi University of Technology, 2018)

  In engineering structures, the safety problems are always depending on the respond of structures to different types of load. The safety assessment of a high rise building is highly depending on the analysis of environmental ...
• The Role of Transdisciplinary Research for Agricultural Climate Change Adaptation Strategies 

  Schermer, Markus; Stotten, Rike; Strasser, Ulrich; Meissl, Gertraud; Marke, Thomas; Foerster, Kristian; Formayer, Herbert (Basel : MDPI, 2018)

  While science widely acknowledges the necessity of climate change adaptation (CCA), concrete strategies for CCA by major land-use actor groups at a local level are largely missing. Immediate economic challenges often prevent ...
• Impact of Hydrological Modellers' Decisions and Attitude on the Performance of a Calibrated Conceptual Catchment Model: Results from a "Modelling Contest' 

  Bormann, Helge; de Brito, Mariana Madruga; Charchousi, Despoina; Chatzistratis, Dimitris; David, Amrei; Grosser, Paula Farina; Kebschull, Jenny; Konis, Alexandros; Koutalakis, Paschalis; Korali, Alkistis; Krauzig, Naomi; Meier, Jessica; Meliadou, Varvara; Meinhardt, Markus; Munnelly, Kieran; Stephan, Christiane; de Vos, Leon Frederik; Dietrich, Jorg; Tzoraki, Ourania (Basel : MDPI, 2018)

  In this study, 17 hydrologists with different experience in hydrological modelling applied the same conceptual catchment model (HBV) to a Greek catchment, using identical data and model code. Calibration was performed ...
• Design aspects of concrete towers for wind turbines 

  von der Haar, Christoph; Marx, Steffen (Vorna Valley, Midrand : South African Institution of Civil Engineering (SAICE), 2015)

  All over the world an increase in the use of renewable energy sources is being sought, and here the utilisation of wind energy plays an important role. Germany currently represents one of the world's largest markets for ...
• Consistency and impact of mixed receiver antenna phase centre models in regional GNSS networks 

  Kersten, Tobias; Kröger, Johannes; Breva, Yannick; Schön, Steffen (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)

  The Institut für Erdmessung (IfE) at the Leibniz University Hannover calibrates GNSS antennas determined by the well known robot based concept in the field. Our group has recently improved the calibration procedure to ...
• Network method for deformation analysis of three-dimensional point cloud with terrestrial laser scanning sensor 

  Xu, Xiangyang; Yang, Hao (Thousand Oaks : Sage Publications, 2018)

  The complexity of structural materials is increasing the importance of the technology for high accuracy measurement. How to obtain the displacement information of structural feature points accurately and efficiently is the ...
• A comparison study on jacket substructures for offshore wind turbines based on optimization 

  Häfele, Jan; Gebhardt, Cristian G.; Rolfes, Raimund (Göttingen : Copernicus Publications, 2019)

  The structural optimization problem of jacket substructures for offshore wind turbines is commonly regarded as a pure tube dimensioning problem, minimizing the entire mass of the structure. However, this approach goes along ...

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