Virtual reality applications in the context of urban planning presume the acquisition of 3D
urban models. Photo realism can only be achieved, if the geometry of buildings is represented …

In this paper the detection and typification of grid structures in building groups is described.
Typification is a generalization operation that replaces a large number of similar objects by a …

In Austria, more than a half of all electricity is produced with the help of hydropower plants.
To reduce their ecological impact, dams are being equipped with fish passages that support …

… Karl-Heinrich Anders Institute of Cartography and Geoinformatics University of Hannover
Appelstraße 9a, 30167 Hannover, Germany karl-heinrich.anders@ikg.uni-hannover.de … In …

The paper will introduce into the subject of recognition of typical patterns in road networks.
Especially we will describe the search for ring structures and its implementation in detail. …

The real-time visualisation of 3D city models requires the representation of the buildings in
different levels of detail (LoD). This LoDs should be generated automatically by specific …

The paper will introduce into the subject of recognition of typical patterns in road networks.
We will first describe the design and lay-out of roads. Applications to detect patterns and to …

In order to solve spatial analysis problems, nowadays a huge amount of digital data sets can
be accessed: cadastral, topographic, geologic, and environmental data, in addition to all …

Publisher Summary The chapter introduces the subject of pattern recognition in road
networks. It describes the concepts of random and scale-free graphs, since scale-free graphs …

… Karl-Heinrich Anders … Z/I Imaging GmbH Oberkochen, Germany k.anders@ziimaging.de
｡ Institute for Photogrammetry University of Stuttgart, Germany monika.sester@ifp.uni-stuttgart.de …