r = pcalf6.hou 
  
  
  
  
  
Figure 3 Lineament detection resulted from the first eigen channel of 
Principle Component Analysis of all TM bands except Band 6. 
  
P x] r43.hou 
  
  
  
  
  
Figure 4 Lineament detection resulted from ratioing of Band 4 over Band 3. 
754 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996