James Olaleye 
Figure 5: Image space intersection and parallax vector 
Let ‘ 
Xa X a 
— la — / 
Pzilyl. P=|)- (2) 
—C me 
Using the ARDOVS operational rules 1 & 2, an element Pa’ of the right image space (C-space) 
translates to the image space (R-space) element as: 
RP. 
g=b+ RP. or g=b+T, (3) 
RP. 
where: 
/ 
R, P a 
/ 
7 — R, P a (4) 
: R 3 . P : 
object 
ed as 
ct C- b is the vector connecting two camera stations (i.e. photobase) and has the components 
mage 
ich is 
> axes 
vector 
object 
Yf this 
  
  
International Archives of Photogrammetry and Remote Sensing. Vol. XXXIII, Part B3. Amsterdam 2000. 663