Efficiency of antiscatter grids for flat-detector CT.

  title={Efficiency of antiscatter grids for flat-detector CT.},
  author={Yiannis Kyriakou and Willi A. Kalender},
  journal={Physics in medicine and biology},
  volume={52 20},
Flat-panel detector CT (FD-CT) scanners offer large volume coverage, but as a consequence are more susceptible to scatter artifacts than standard clinical CT scanners with smaller cone angles. FD-CT scanners can employ antiscatter grids as a scatter rejection technique. We evaluated three standard fluoroscopic antiscatter grids for two different field sizes with respect to scatter suppression efficiency and image quality improvement. The evaluations included simulations and measurements… CONTINUE READING

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