Segmentation 
  
  
  
  
       
     
    
   
    
  
     
  
atic region tok 
Satellite Spatial region tokens 
: Subpixel with reliable 
imagery 
Analysis signatures 
   
  
  
  
  
Edgel chains 
  
  
  
  
Figure 1: Diagram of proposed algorithm 
  
Figure 2: Band 4 (near-infrared) of Landsat TM image, region token borders superimposed 
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International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B3. Vienna 1996