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coverage over the area of the stereo model. As the final data is in point coordinate form it has the potential to be used 
with other control in analytical techniques to determine absolute or exterior orientation of the photography and in for 
example aerial triangulation. By performing 2D to 2D photograph curve matching an alternative automatic process of 
relative orientation has also been performed. 
ACKNOWLEDGMENTS 
The authors would like to acknowledge the support from The University of Nottingham. 
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