A method of precision position determination using x-ray stereography.

@article{Sherlock1980AMO,
  title={A method of precision position determination using x-ray stereography.},
  author={R. A. Sherlock and William E. Aitken},
  journal={Physics in medicine and biology},
  year={1980},
  volume={25 2},
  pages={
          349-55
        }
}
Considers the optimisation of apparatus parameters and the order of precision attainable in measurements on live mammalian subjects using an isocentric (planning simulator type) X-ray apparatus. A concise derivation is presented of the calculation of spatial coordinates of a 'marker point' from its radiograph shadow 'spot' coordinates. The sensitivity of the calculated marker-point coordinates to errors in film measurement and determination of apparatus parameters is calculated. Experimental… CONTINUE READING

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