1986: | Diploma in Geodesy, University of Bonn |
1988 - 1992: | Research assistant, Institute of Geodesy and Photogrammetry ETH Zurich: Digital close range photogrammetry, 3-D motion analysis, photogrammetric deformation measurement techniques |
1992: | Ph.D. theses 'Digital Photogrammetry in threedimensional flow measurement techniques', ETH Zurich |
1992 - 1993: | Postdoc for 3-D image processing, Technical Chemestry Lab, ETH Zurich: Highspeed cameras, tomography data sequence acquisition systems, 3-D object tracking in voxel data sequences |
1993 - 1997: | Chief assistant, Institute of Geodesy and Photogrammetry ETH Zurich: Automation of photogrammetric data processing, optimization of precision and reliability potential, automatic DTM generation, digital aerotriangulation, surface model generation techniques, industrial robotics |
1997: | Habilitation in digital photogrammetry 'Multi-image techniques in digital photogrammetry', ETH Zurich |
1998 - 2000: | Associate professor for remote sensing, Delft Technical University: Courses in remote sensing, Research in airborne laserscanning (methods for automatic building detection and modelling, verification and improvement of data quality) |
since 2000: | Professor of photogrammetry, Dresden University of Technology: Head of the Institute of Photogrammetry and Remote Sensing; courses in photogrammetry for students of Geodesy, Cartography, Geography, Computer Science, Forestry; research focus on airborne laserscanning and close range photogrammetry |
2004 - 2008: | President ISPRS Commission V |