Fast GATE fan beam SPECT projector

  title={Fast GATE fan beam SPECT projector},
  author={Jan De Beenhouwer and Bart Pieters and Rik Van de Walle},
  journal={2011 IEEE Nuclear Science Symposium Conference Record},
Fan beam collimation offers a higher sensitivity than parallel beam collimation at the cost of a reduced field of view. The spatially varying collimator-detector response has so far been studied analytically and with Monte Carlo simulations in order to improve reconstruction quality. Similarly to parallel beam collimation, it may be possible to improve the reconstruction quality further by using accurate Monte Carlo-based scatter estimates. In this work, we have developed a fast hybrid CPU-GPU… CONTINUE READING
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