Nebiker, Stephan
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Benchmarking High Density Image Matching for Oblique Airborne Imagery
2014-09, Cavegn, Stefan, Haala, Norbert, Nebiker, Stephan, Rothermel, Mathias, Tutzauer, Patrick
Both, improvements in camera technology and new pixel-wise matching approaches triggered the further development of software tools for image based 3D reconstruction. Meanwhile research groups as well as commercial vendors provide photogrammetric software to generate dense, reliable and accurate 3D point clouds and Digital Surface Models (DSM) from highly overlapping aerial images. In order to evaluate the potential of these algorithms in view of the ongoing software developments, a suitable test bed is provided by the ISPRS/EuroSDR initiative Benchmark on High Density Image Matching for DSM Computation. This paper discusses the proposed test scenario to investigate the potential of dense matching approaches for 3D data capture from oblique airborne imagery. For this purpose, an oblique aerial image block captured at a GSD of 6 cm in the west of Zürich by a Leica RCD30 Oblique Penta camera is used. Within this paper, the potential test scenario is demonstrated using matching results from two software packages, Agisoft PhotoScan and SURE from University of Stuttgart. As oblique images are frequently used for data capture at building facades, 3D point clouds are mainly investigated at such areas. Reference data from terrestrial laser scanning is used to evaluate data quality from dense image matching for several facade patches with respect to accuracy, density and reliability.
Integrierte Georeferenzierung von luft- und bodengestützten Stereobilddaten im Straßenbereich
2013, Nebiker, Stephan, Eugster, Hannes, Kamer, Kay
Automated 3D Road Sign Mapping with Stereovision-based Mobile Mapping exploiting Disparity Information from Dense Stereo Matching
2012, Cavegn, Stefan, Nebiker, Stephan
OpenWebGlobe An open source SDK for creating large-scale Virtual Globes on a WebGL basis
2012, Loesch, Benjamin, Christen, Martin, Nebiker, Stephan
Geometrie- und farbbasierte Punktwolkenklassifizierung von komplexen urbanen Laserscanningszenen mittels überwachter SOM-Klassifikation
2013, Matti, Eric, Nebiker, Stephan
Web-Based Large-Scale 3D-Geovisualisation Using WebGL
2012, Christen, Martin, Nebiker, Stephan, Loesch, Benjamin
3DCityTV - Cloud-basierte Stereovision Mobile Mapping Services
2013, Nebiker, Stephan, Eugster, Hannes
Mobile Mapping mit Stereobildern
2012-06-01T00:00:00Z, Eugster, Hannes, Nebiker, Stephan
Fusion of Airborne and Terrestrial Image-based 3D-Modelling for Road Infrastructure Management Vision and first Experiments
2012, Nebiker, Stephan