computer vision systems 
   
PREFACE 
Spatial information plays an increasingly important role for documentation and planning purposes of all 
kinds. Two essential disciplines for the acquisition and updating of such information are photogrammetry 
and remote sensing, and computer vision. The information management, analysis, and presentation is 
carried out to a large extent with the help of geographic information systems. 
These issues are addressed in the working groups of the ISPRS Commission III: 
- Integrated Sensor Orientation 
= Geometric-Radiometric Models and Object Reconstruction 
- Semantic Models and Object Recognition 
- Conceptual Aspects of GIS 
- Digital Photogrammetric Systems 
- Image Sequence Analysis 
A total of 232 extended abstracts has been submitted to the Commission III program committee. This 
large number indicates the high interest in the scientific and technical issues addressed by ISPRS 
Commission III. The papers have undergone a rigorous review process by the technical program 
committee on the basis of the extended abstracts. The accepted papers not only summarize the state-of- 
the-art in various disciplines, but also pave the way for future research and development activities in 
photogrammetry and computer vision. 
We hope that all congress participants will leave Vienna with the most rewarding memories in the 
scientific, the technical, and the social aspects, and that those unable to attend find the proceedings a 
valuable substitute for their participation. 
Heinrich Ebner 
Christian Heipke 
Konrad Eder