SOS 
  
Figure 1: Original test area 'Speyer', Landsat TM, 
channel 2 (subset of ca. 3km * 3km) 
  
  
  
  
  
Figure 2: Marked vegetationfree pixels (black) by 
NDVI (Landsat TM, see fig. 1) 
  
  
  
  
  
Figure 3: Segmentation of image objects (settle- 
ment) by morphology operators (black contour line: 
original DLM200 objects) 
754 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B3. Vienna 1996 
  
      
  
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Figure 4: Segmentation of image objects (settle- 
ment) by Delaunay triangulation 
  
  
  
b 2 ~ 
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a. 11 84 140 140] Wi (47) 
  
  
Figure 5: Selection and fusion of valid triangles to 
segments (settlement) 
  
  
    
e neris Original 
ern Bildanalyse 
  
  
  
Figure 6: Comparision of shape between original 
DLM200 objects (settlement) and extracted seg- 
ments 
        
   
  
          
            
      
   
   
    
   
  
  
   
   
     
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