Exterior orientation 
of Photos 1 and 2 
Y 
Coordinates of digitized 
points in Photo 1 (x', y') 
Y 
Compute initial location 
of corresponding points 
in Photo 2 
Compute refined coord. 
of digitized points in 
Photo 2 (x", y") by LSM 
Y 
Compute ground coords. 
by intersection (XYZ) 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Figure 2: Computation of object space 
coordinates by image matching 
144 
Une nous 
où les 
permet 
recouri 
numér iq 
s'effec 
monoscor 
couple s 
de la pe 
des moi. 
ensuite 
obtenir 
d'appar: 
épipolai 
caractér 
est mai 
commerc: 
preuves.