| OPALS–A framework for Airborne Laser Scanning data analysis N Pfeifer, G Mandlburger, J Otepka, W Karel Computers, Environment and Urban Systems 45, 125-136, 2014 | 240 | 2014 |
| Georeferenced point clouds: A survey of features and point cloud management J Otepka, S Ghuffar, C Waldhauser, R Hochreiter, N Pfeifer ISPRS International Journal of Geo-Information 2 (4), 1038-1065, 2013 | 125 | 2013 |
| A case study of UAS borne laser scanning for measurement of tree stem diameter M Wieser, G Mandlburger, M Hollaus, J Otepka, P Glira, N Pfeifer Remote Sensing 9 (11), 1154, 2017 | 100 | 2017 |
| Orientation and processing of airborne laser scanning data (OPALS)—Concept and first results of a comprehensive ALS software G Mandlburger, J Otepka, W Karel, W Wagner, N Pfeifer ISPRS Workshop Laserscanning 9, 2009 | 65 | 2009 |
| Precision target mensuration in vision metrology J Otepka Technische Universität Wien, 2004 | 49 | 2004 |
| Automated classification of airborne laser scanning point clouds C Waldhauser, R Hochreiter, J Otepka, N Pfeifer, S Ghuffar, ... Solving Computationally Expensive Engineering Problems: Methods and …, 2014 | 45 | 2014 |
| Influence of ULS acquisition characteristics on tree stem parameter estimation M Bruggisser, M Hollaus, J Otepka, N Pfeifer ISPRS Journal of Photogrammetry and Remote Sensing 168, 28-40, 2020 | 32 | 2020 |
| Algorithm developments for automated off-line vision metrology JO Otepka, HB Hanley, CS Fraser INTERNATIONAL ARCHIVES OF PHOTOGRAMMETRY REMOTE SENSING AND SPATIAL …, 2002 | 32 | 2002 |
| The OPALS data manager–efficient data management for processing large airborne laser scanning projects J Otepka, G Mandlburger, W Karel ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information …, 2012 | 27 | 2012 |
| Accuracy enhancement of vision metrology through automatic target plane determination JO Otepka, CS Fraser na 35, 873-879, 2004 | 22 | 2004 |
| Progressive real‐time rendering of one billion points without hierarchical acceleration structures M Schütz, G Mandlburger, J Otepka, M Wimmer Computer Graphics Forum 39 (2), 51-64, 2020 | 20 | 2020 |
| Topographische Daten aus Laserscanning als Grundlage für Hydrologie und Wasserwirtschaft G Mandlburger, B Höfle, C Briese, C Ressl, J Otepka, M Hollaus, N Pfeifer Österreichische Wasser-und Abfallwirtschaft 61 (7), 89-97, 2009 | 17 | 2009 |
| Generalized sparse convolutional neural networks for semantic segmentation of point clouds derived from tri-stereo satellite imagery S Bachhofner, AM Loghin, J Otepka, N Pfeifer, M Hornacek, A Siposova, ... Remote Sensing 12 (8), 1289, 2020 | 14 | 2020 |
| Delineation of vegetation and building polygons from full-waveform airborne LIDAR data using OPALS software M Hollaus, W Wagner, G Molnár, G Mandlburger, C Nothegger, J Otepka Proceedings of the geospatial data and geovisualization: Environment …, 2010 | 13 | 2010 |
| Classification of image matching point clouds over an urban area THG Tran, J Otepka, D Wang, N Pfeifer International journal of remote sensing 39 (12), 4145-4169, 2018 | 12 | 2018 |
| First steps to a topographic information system of the next generation J Otepka, C Briese, C Nothegger na, 2006 | 10 | 2006 |
| Accuracy Analysis of Digital Elevation Models from very High Resolution Satellite Imagery AM Loghin, J Otepka, W Karel, M Pöchtrager, N Pfeifer Publ. Der DGPF 28, 123-137, 2019 | 8 | 2019 |
| Algorithms and their implementation in an automated close-range photogrammetric system J Otepka Technische Universität Wien, 2001 | 7 | 2001 |
| OPALS (Orientation and Processing of Airborne Laser Scanning data)-Konzept und Anwendungsbeispiele einer wissenschaftlichen Laserscanning Software G Mandlburger, J Otepka, W Karel, B Wöhrer, W Wagner, N Pfeifer Photogrammetrie, Fernerkundung und Geoinformation 19 (19), 376-387, 2010 | 5 | 2010 |
| A Framework for Generic Spatial Search in 3d Point Clouds J Otepka, G Mandlburger, W Karel, B Wöhrer, C Ressl, N Pfeifer ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information …, 2021 | 4 | 2021 |
Norbert PfeiferProfessor of Photogrammetry, TU Wien, Department of Geodesy and GeoinformationVerified email at tuwien.ac.at
