Efficient 2D filtering for cone-beam VOI reconstruction

@article{Xia2012Efficient2F,
  title={Efficient 2D filtering for cone-beam VOI reconstruction},
  author={Yan Xia and Andreas K. Maier and Frank Dennerlein and Hannes G. Hofmann and Joachim Hornegger},
  journal={2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)},
  year={2012},
  pages={2415-2420}
}
In some clinical applications, e.g., examination of deployed stents or coils during the intervention, only a small portion of the patient may be of diagnostic interest. For the sake of dose reduction to the patient, it is practicable to deploy a collimator to block radiation dose outside volume of interest (VOl). The resulting truncation, however, particularly in lateral direction, poses a challenge to the conventional reconstruction methods. The Approximated Truncation Robust Algorithm for… CONTINUE READING

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