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Figure 3 Flattened interferograms using (a) baseline estimate based on orbital information, (b) using 
baseline estimate based on image offset information, (c) baseline estimate using fringe rate method with 
default estimation window size and default window location, (d) baseline estimate using fringe rate method 
by placing the estimation window over a flat location, (e) baseline estimate using fringe rate method to 
estimate perpendicular baseline component and orbital information for parallel component and (f) baseline 
estimate using fringe rate method to estimate the perpendicular baseline component and image offset 
parameters to estimate the parallel component 
  
  
  
International Archives of Photogrammetry and Remote Sensing. Vol. XXXIII, Part Bl. Amsterdam 2000. 
33