International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B3. Istanbul 2004 
We applied the following methods to the IKONOS stereo 
image: ; 
a) Least-squares matching including affine transformation, 
b) Least-squares matching with projective transformation, 
c) Cross correlation matching with affine transformation, 
d) Cross correlation matching with projective transformation. 
  
(a) master image 
The window size and search area to set the initial position were 
determined through trial and error: 
  
e Window size: 15 x 15 pixels, 
e Search area: 30 x 30 pixels. 
(b) slave image 
Figure 4. Area within the IKONOS stereo image pair. 
604 
Intern 
  
  
The e 
the ex 
The re 
which 
achie 
that p 
howe 
The c: 
Geom 
furthe 
geome 
match 
has po 
Verifi 
invest 
locatic 
mount 
restric 
As me 
the m 
includ 
requiri 
relatec