International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B-YF. Istanbul 2004 Int 
   
Figure 2. Original image 
  
Figure 3. Rotated and Medyan Filtered image 
       
  
  
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Figure 7. Fill interior at Prewitt 
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Figure 4. Dilatation at Sobel 
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