Monte Carlo evaluation of scatter mitigation strategies in cone-beam CT.

@article{Lazos2010MonteCE,
  title={Monte Carlo evaluation of scatter mitigation strategies in cone-beam CT.},
  author={Dimitrios Lazos and Jeffrey F. Williamson},
  journal={Medical physics},
  year={2010},
  volume={37 10},
  pages={
          5456-70
        }
}
PURPOSE To investigate the efficacy of two widely used scatter mitigation methods: antiscatter grids (ASGs) and beam modulating with bowtie filters (BTFs), in combination with subtractive scatter correction or zeroth order normalization phantom calibration, for improving image noise, contrast, contrast-to-noise ratio (CNR), and image uniformity for on-board cone-beam CT (CBCT) imaging systems used for image-guided radiation therapy. METHODS PTRAN Monte Carlo CBCT x-ray projections of head and… CONTINUE READING

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