Full text: XVth ISPRS Congress (Part A3)

   
  
    
    
   
    
    
    
    
   
    
    
   
  
  
  
   
    
   
  
     
    
     
   
  
    
    
   
  
  
  
  
  
    
   
     
    
CONCLUDING REMARKS 
  
As expected, additional parameters do not significantly improve 
an independent model block adjustment. BY performing a 
relative orientation with overdetermination (analogue or 
analytical) the sytematic effects are randomized. 
Somewhat surprisingly, the bundle adjustment results from mono- 
measurements on the plotter as well as from decomposed model 
coordinates give no improvement over independent model 
adjustments. In fact, the results are often worse... Thus it is 
not recommended to use the plotter to obtain photo-coordinates. 
The best approach is the use of the plotter as stereo 
comparator, where in addition to a significant reduction. in 
measuring time, the best accuracies are obtained. 
ACKNOWLEDGEMENT 
  
The authors want to acknowledge with thanks.the contributions 
of. the UNB photogrammetric operator, Mr. Vernon Oliver, who 
performed some of the measurements, and the Maritime Land 
Registration and Information Service who provided: the 
Milton-Brooklyn Block. 
  
REFERENCES 
Ackermann, -F et’ al., (1973). "Block Triangulation with 
Independent Models", Photogrammetric Engineering, pp. 
967-981. 
Anderson, J.M. and Ramsey, F.H. 411973). "Analytic Block 
Adjustment - Final Summary Report of the ISP Commission III 
Working Group 1968-1972", Photogrammetric Engineering, Vol. 
XXXIX, No. 10. 
  
  
  
  
  
  
Atiloia, O0. (1934). "Aerotriangulation with Analogue 
Plotters", Department of Surveying Engineering, University 
of Nez Brunswick (in print). 
Roniface, P.R.J. .(1967). "Analytical Tríangulation Using a 
Stereoplotter and Reseau Plate Holders'", Photogrammetric 
Record, G(30). 
Ebner, H. (1978). "Self Calibrating Plock^Adjüstment'", XIII 
Congress of ISP, Helsinki. Also published in Bildmessung 
und Luftbildwesen, No. 4,.pp..1985-139. 
Fl-Hakim, S., |Faig, Y. (1977). "Compensation of Systematic 
Image Errors Using Spherical Harmonics'", Proceedings, ASP 
Fall Meeting, Little Rock Ark. 
Fl-Hakim, S. (190795. "Dotentials:.and .Limitations of 
Photogrammetry for Precision Surveying”, Pn.D. 
Dissertation, University of New Brunswick. 
Fxintavelonis, J. et al. (1981). "Image Coordinate Measurement 
on 4 Stereoplanizraph C8", Photogrammetria, 36- 101-109. 
Cagnon, D.A.. (1969). "Ond-Order Plotter. for Full Analytics”, 
Photogrammetric Engineering, 35(12). 
Harley, I.A. (1971). "An "Fxact Procédure for Numerical 
Orientation of a Plotting Instrument", Photogrammetric 
Record, 7(37)- 27-38. 
Jevapalon, K. (1972). "A Method of Obtaining Coordinates from 
the Model Coordinates of a Plotting instrument", 
Photogrammetric Record, 7(40). 
  
   
	        
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