IX 
Object Extraction from Lidar Data using an Artificial Swarm Bee Colony 
Clustering Algorithm 
S. Saeedi, F. Samadzadegan, N. El-Sheimy 
University of Calgary, Canada; 
University of Tehran, Iran 133 
Building Footprint Database Improvement for 3D Reconstruction: a 
Direction Aware Split and Merge Approach 
B. Vallet, M. Pierrot-Deseilligny, D. Boldo 
Institut Géographique National, France 139 
A Test of Automatic Building Change Detection Approaches 
N. Champion, F. Rottensteiner, L. Matikainen, X. Liang, J. Hyyppä, B.P. 
Olsen 
Institut Géographique National, France; 
Leibniz Universität Flannover, Germany; 
Finnish geodetic Institute, Finland; 
National Survey and Cadastre (KMS), Denmark 145 
Curvelet Approach for SAR Image Denoising, Structure Enhancement, and 
Change Detection 
A. Schmitt, B. Wessel, A. Roth 
DLR, Germany 151 
Ray Tracing and SAR-Tomography for 3D Analysis of Microwave Scattering 
at Man-Made Objects 
S. Auer, X. Zhu, S. Hinz, R. Bamler 
Technische Universitaet Muenchen, Germany; 
Universität Karlsruhe, Germany; 
DLR, Germany 157 
Theoretical Analysis of Building Height Estimation using Spaceborne SAR- 
Interferometry for Rapid Mapping Applications 
S. Hinz, S. Abelen 
Universität Karlsruhe, Germany; 
Technische Universitaet Muenchen, Germany 163 
Fusion of Optical and InSAR Features for Building Recognition in Urban 
Areas 
J. D. Wegner, A. Thiele, U. Soergel 
Leibniz Universität Flannover, Germany; 
FGAN-FOM, Germany 169 
Fast Vehicle Detection and Tracking in Aerial Image Bursts 
K. Kozempel, R. Reulke 
DLR, Germany 175 
Refining Correctness of Vehicle Detection and Tracking in Aerial Image 
Sequences by Means of Velocity and Trajectory Evaluation 
D. Lenhart, S. Hinz 
Technische Universitaet Muenchen, Germany; 
Universität Karlsruhe, Germany 181