International Archives of Photogrammetry and Remote Sensing, Vol. 32, Part 3W14, La Jolla, CA, 9-11 Nov. 1999 
  
  
  
  
  
  
  
  
  
  
Figure 3: Laser points and planar roof segments before 
transformation (first set). 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
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em ud E oo 
D nos CUM LoS) 
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Figure 4: Elevation differences between laser points and 
measured planar roof segments before transformation 
(first set). 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Figure 5: Laser points and planar roof segments after 
transformation (first set). 
  
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Figure 6: Elevation differences between laser points and 
measured planar roof segments after transformation 
(first set). 
  
  
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Figure 7: Laser points and planar roof segments before 
transformation (second set). 
  
  
  
  
  
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i 21 4 9 | 1 3 
  
Figure 8: Elevation differences between laser points and 
measured planar roof segments before transformation 
(second set). 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Figure 9: Laser points and planar roof segments after 
transformation (second set). 
  
  
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Figure 10: Elevation differences between laser points and 
measured planar roof segments after transformation 
(second set). 
  
    
   
    
    
   
    
   
    
    
  
    
     
  
  
  
  
  
  
    
    
    
     
    
Internationa 
4 SUMMARY 
Laser scanning is a 
elevations, from which 
easily and efficiently. 
from systematic errors 
discontinuities. Intex 
available from aerial im 
In order to integrate th 
be related to the same c 
matching two surfaces : 
presented. The metho 
real data and found stat 
While testing the meth: 
surfaces have been foi 
analyzing the possible 
work is also requin 
characteristics for det 
can be calculated using 
ACKNOWLEDGME! 
This research project i: 
Israel Binational Scie 
00433. 
REFERENCES 
Ackermann, F., 1999. 
and future expectation: 
Remote Sensing, 54(1), 
Axelsson, P., 1999. Pr 
and applications. /SPR 
Sensing, 54(1), pp. 138 
Baltsavias, E., 1999. A 
laser scanning. /SPRS 
Sensing, 54(1), pp. 83-