Introduction 
On behalf of the International Society for Photogrammetry and 
Remote Sensing (ISPRS) and the G^sellschaft fur Photogrammetrie 
und Fernerkundung der DDR (GPF), we present you the Proceedings 
of the Symposium 
PROGRESS IN DATA PROCESSING AND ANALYSIS. 
In this Volume 28, Part 2 of the Internatonal Archives of 
Photogrammetry and Remote Sensing the readers will find the 
papers of the Symposium which was held in Dresden at the Haus 
der Kultur und Bildung from September 8th to 12th 1990. 
The Dresden Symposium was successful from the following points 
Participants 80 
represented Countries 16 
presented Papers 60 
Plenary Sessions 10 
Reports were given on remarkable scientific results in the areas 
Digital Photogrammetrie Systems 
Intelligent SAR Processor Systems 
Integrated Digital Systems 
Cost Reduction for the Analysis of 
Remotely Sensed Data by Using 
low Cost Computers 
Finally the Organizers thank all those who contributed to the 
success of the Symposium Dresden 1990. 
Dresden, October 1990 
Klaus Szangolies 
President 
ISPRS Commission II 
Jürgen Pietschner 
Secretary 
ISPRS Commission II