Lectures

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1. The Use of CAT/CAL Programs for Image Processing and Remote Sensing in Distance Learning, XIXth ISPRS
    Congress, Amsterdam, Juli 2000

2. Report about the work of Commission 6 (education and communication) of the International Society of Photogrammetry and Remote Sensing at the 19th congress in Amsterdam, July 2000

3. "Towards the full automatic production of orthoimages", International Week at the University of Applied Sciences Oldenburg/Ostfriesland/Wilhelmshaven, Oldenburg/Germany, 23.10.2001

4. "Nye Læringsformer med Internettet", ITI seminar "Selvstudiematerialer og Interaktion", Aalborg Universitet, 12.12.2001

5. Automatisierung in der Orthophotoproduktion (Automation in the production of orthophotos), Bauforum Minden, University of Applied Sciences
    Bielefeld, Minden/Germany, 9.12.2003

6. Overview on Automatic Orientation of Aerial Images on Databases, 2. EuroSDR Educational Seminar, Budapest, 15.4.2004

7. Undervisning og e-learning - aktiviteter af kommission VI ved ISPRS kongressen Istanbul, Geoforum møde, København, 7.9.2004

8. Laserscanning vom Boden und aus der Luft - Anwendungsbeispiele aus Dänemark, Bauforum Minden, University of Applied Sciences Bielefeld, Minden /Germany, 25. 1. 2005

9. Project Based Learning in Geomatics at Aalborg University,  ICC Barcelona/Spain, 11.4.2005 and at ISPRS Commission VI, Working Group 1/2 meeting, Potsdam/Germany, 3.6.2005

10. Education and Training in Photogrammetry and Related Fields - Remarks on the Present and the Future, Technical Commission VI Symposium, Tokyo, Japan,  Keynote, 27.6.2006

11. Experiences with combining e-learning courses with face-to-face education, ISPRS congress Beijing, Kina, 7.7.2008

12. Vermessung mittels Schräg-Luftbilder, Bauforum "Photogrammetrie und Modellierung", University of Applied Sciences Bielefeld, Minden /Germany, 16. 12. 2008

13. A new method for checking the planimetric accuracy of Digital Elevation Model data derived by Airborne Laser Scanning, symposium "Accuracy 2010" in Leicester/England, 22.7.2010 (together with C. Ø. Pedersen)

14. Generation and application of Digital Terrain Models, Aalborg University, 2.12.2010

15. Assessment of the Quality of Digital Terrain Models, DIN, Berlin, 25.1.2011