Full text: Proceedings, XXth congress (Part 5)

     
  
  
   
   
  
   
  
    
    
    
   
      
     
    
    
       
   
    
International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B5. Istanbul 2004 
  
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Figure 5. Test field 
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Figure 6. Error distribution of XY coordinates by the IBIM 
  
  
  
  
  
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(SOKIA MET2NV; distance accuracy: = Imm, angle accuracy: | 
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space distances were measured by the motorized total station Table 2: Calibration result of interior orientation parameters 
u^ y. Xo 1024.045 pixels 
Image coordinates for each point were given as the center of Yo 759.183 pixels 
area gravity by image processing. Accuracy for 3D coordinates f 7.216 mm 
of check points was compared with space resection using 9 a 288.830 
GCPs. a, 1319 
In Figure 6, No. 1,3,10,11,12,14 points are temporal GCPs, and k, 0.3996F - 07 | 
No. 1,3,10,11,12,14,15,24,25 are GCPs for the resection 
method. Therefore, No. 2,4,5,6,7,8,9,13,16,23,26 are common Table 3: The R.M.S.E. for X, Y, XY, Z coordinates | 
check points for the both method. Table 1 and 2 show | 
calibration results. Table 3 shows the RMSE for X, Y, XY and IBIM Space resection | 
Z coordinates regarding 11 check points. X 21.434 mm 4.182 mm | 
V ; N ; : - Y 10.424 mm 6.055 mm | 
Table 1: Calibration result of exterior orientation parameters XY 16.624 mm 5.204 mm | 
3 : Z 9.504 mm 9.388 mm 
Left Right 
Xo 2743017 mm 115.012 mum From Table 3, it can be seen that the accuracy of Z coordinate 
Yo 203-820 mm 601.626 mm shows the same values that was computed resection method 
Lo 20903.188 mm 20941.344 mm using 9 GCPs. However, the accuracies of X, Y, XY show 
9 7133 4441 171150" 35.6” lower values. In particular, X accuracy show quite lower. 
Ô 11 21" 420" AM 21/0047 On the other hand, Figure 6 shows error distribution of XY 
K 0°00" "35.97 C16" 142" coordinates by the IBIM (residual values of XY coordinates 
  
  
  
  
  
were magnified 10 times). From Figure 6, though it can be
	        
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