Investigation of uncertainties in image registration of cone beam CT to CT on an image-guided radiotherapy system.

@article{Sykes2009InvestigationOU,
  title={Investigation of uncertainties in image registration of cone beam CT to CT on an image-guided radiotherapy system.},
  author={Jonathan R. Sykes and David S. Brettle and Derek R. Magee and David Ian Thwaites},
  journal={Physics in medicine and biology},
  year={2009},
  volume={54 24},
  pages={7263-83}
}
Methods of measuring uncertainties in rigid body image registration of fan beam computed tomography (FBCT) to cone beam CT (CBCT) have been developed for automatic image registration algorithms in a commercial image guidance system (Synergy, Elekta, UK). The relationships between image registration uncertainty and both imaging dose and image resolution have been investigated with an anthropomorphic skull phantom and further measurements performed with patient images of the head. A new metric of… CONTINUE READING

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