Contents 
Efficient Road Mapping via Interactive Image Segmentation 
O. Barinova, R. Shapovalov, S. Sudakov, A. Velizhev, A. Konushin 
Moscow State University, Russia 1 
Surface Modelling for Road Networks using Multi-Source Geodata 
C-Y. Lo, L-C. Chen, C-T. Chen, J-X. Chen 
National Central University, Taiwan; 
Department of Land Administration, Taiwan 7 
Automatic Extraction of Urban Objects from Multi-Source Aerial Data 
A. Mancini, E. Frontoni P. Zingaretti 
Università Politecnica delle Marche, Italy 13 
Road Roundabout Extraction from Very High Resolution Aerial Imagery 
M. Ravanbakhsh, C. S. Fraser 
University of Melbourne, Australia 19 
Assessing the impact of Digital Surface Models on Road Extraction in 
Suburban Areas by Region-based Road Subgraph Extraction 
A. Grote, F. Rottensteiner 
Leibniz Universität Hannover, Germany 27 
Vehicle Activity Indication from Airborne Lidar Data of Urban Areas by 
Binary Shape Classification of Point Sets 
W. Yao, S. Hinz, U. Stilla 
Technische Universitaet Muenchen, Germany, 
Universität Karlsruhe, Germany 35 
Trajectory-based Scene Description and Classification by Analytical 
Functions 
D. Pfeiffer, R. Reulke 
Humboldt-University of Berlin, Germany 41 
3D Building Reconstruction from Lidar Based on a Cell Decomposition 
Approach 
M. Kada, L. McKinley 
University of Stuttgart, Germany; 
Virtual City Systems, Germany 47 
A Semi-automatic Approach to Object Extraction from a Combination of 
Image and Laser Data 
S. A. Mumtaz, K. Mooney 
The Dublin Institute of Technology, Ireland 53 
Complex Scene Analysis in Urban Areas Based on an Ensemble Clustering 
Method Applied on Lidar Data 
P. Ramzi, F. Samadzadegan 
University of Tehran, Iran 59 
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