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a. Subsection of an aerial image 
  
d. Extracted edges 
  
g. Fited Model 
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b. Perspectiv view of a 3-D control point model 
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c. Projected 2-D control point model 
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e. Preliminary set of matching candidates 
Fig. 1 Example for control point location. 
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f M 
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f. Cleand set of matching candidates 
Pod Code cM 0 m8 S oH M 03 
ea C c MN << Q3