| Presentations by studentsMany thanks for the great interest and the numerous abstracts for presentations that were given in by the students. Unfortunately we could take in consideration only a limited number, mainly by reason of time. Therefore we had to make a selection. The following table shows the presentation program.
 
 Presentations on Thursday, 16th of April 2009:
 
 | Time | Topic | Student(s) | University |  | 09:00 | Noise reduction in airborne Laser Scanning signal, based on discrete wavelet transform | Krzysztof Sosnica | Wroclaw Univ. of Environmental and Life Sciences, Poland |  | 09:20 | Comparison of methodologies for building detection combining spectral and Lidar information | Txomin Hermosilla Gómez | Universidad Politécnica de Valencia, Spain |  | 09:40 | Single tree detection based on Airborne LIDAR (ALS) data | Krzysztof Sterenczak | Warsaw University of Life Sciences, Poland |  | 10:00 | Coffee break |  | 10:30 | Laser scanning of archaeological artifacts | Iva Malaric Mateo Gasparovic
 | University of Zagreb, Croatia |  | 10:50 | Functioning analysis of reference station in Hornsund and its possibilities of usage in geodynamic research of Spitsbergen | Maciej Pasnikowski | Warsaw University of Technology, Poland |  | 11:10 | Concept of Spatial Information System for Pieniny geodynamic polygon | Piotr Szynal | Warsaw University of Technology, Poland |  | 11:30 | Synergistic transformation of landscape in Msciwojów on the basis of manor house and its surroundings | Barbara Czesak Katarzyna Chodon
 Monika Giemzik
 | Agricultural University of Cracow, Poland | 
 > Overview as PDF (with abstracts): abstracts_students.pdf
 
 Presentations by external contributors
 Besides the student presentations the following very interesting lectures were held by external speakers:
 
 Presentations on Wednesday, 15th of April 2009:
 
 | Time | Topic | Speaker(s) | Organisation |  | 09:00 | Opening Ceremony 
 musically accompanied by Willis Wyberkapelle
 [www.wyberkapelle.ch]
 | Prof. Dr. Heidi Wunderli-Allenspach Felix Rohrbach
 and others
 | Rector of ETH Zurich 
 President IGSO Switzerland
 |  | 10:00 | Coffee break |  | 10:30 | Highlights of the history of geodesy in Switzerland 15th-19th Century [1497 - 1903] | Dr. phil. des. Martin Rickenbacher
 | Federal Office of Topography swisstopo
 |  | 11:00 | Highlights of geodesy in Switzerland today | Prof. Dr. Alain Geiger | Geodesy & Geodynamics Lab ETH Zurich
 | 
 > Overview as PDF (with abstracts): abstracts_wednesday.pdf
 
 
 Presentations on Saturday, 18th of April 2009:
 
 | Time 
 | Topic | Speaker(s) | Organisation |  | 08:30 | The project AlpTransit (Gotthard Base Tunnel) and its relevant surveying tasks | Daniela Fasler | AlpTransit Gotthard Ltd. |  | 09:00 | Permanent Geomonitoring with a multisensor system for a very large construction site | Markus Brun | Terra International Surveys Ltd. |  | 09:30 | Geodesy for Air Navigation: Operations in a safety related environment | Dr. Marc Troller | Skyguide; Swiss Air Navigation Services Ltd. |  | 10:00 | Coffee break |  | 10:30 | Introduction of the ISPRS Student Consortium (presented at the General Assembly)
 | Ahmet Sengül Krzysztof Sterenczak
 | ISPRS Student Consortium | 
 > Overview as PDF (with abstracts): abstracts_saturday.pdf
 |