an. 
man 
  
  
le and 
Jegrees 
of 
reedom 
1300 
1300 
1300 
1284 
1284 
1284 
1284 
2398 
2398 
2398 
  
6. CONCLUSION 
The aim of this research was to develop and apply a 
flexible camera calibration procedure which could easily 
accommodate different types of cameras. This was 
successfully achieved and the procedure was applied to 
four different cameras. Two analog video cameras were 
tested with a frame grabber. The radiometric difficulties 
associated with the camera/frame grabber combination 
were overcome, to a large extent, by averaging the 
images. In the case of the digital still cameras, the 
advantages of not having the radiometric problems are 
offset by the use of obviously cheaper lenses which have 
large radial distortions. This should be a consideration 
when using this type of camera for photogrammetric 
applications. 
7. ACKNOWLEDGEMENTS 
| would like to thank Professor John Fryer for his advice 
on camera calibration. The program for the 
measurement of the coordinates was written by Dr Eric 
Kniest, University of Newcastle, Australia. 
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