Noniterative compensation for the distance-dependent detector response and photon attenuation in SPECT imaging

@article{Glick1994NoniterativeCF,
  title={Noniterative compensation for the distance-dependent detector response and photon attenuation in SPECT imaging},
  author={Stephen J. Glick and B. C. Penney and Michael A. King and Charles L. Byrne},
  journal={IEEE transactions on medical imaging},
  year={1994},
  volume={13 2},
  pages={363-74}
}
A filtering approach is described, which accurately compensates for the 2D distance-dependent detector response, as well as for photon attenuation in a uniform attenuating medium. The filtering method is based on the frequency distance principle (FDP) which states that points in the object at a specific source-to-detector distance provide the most significant contribution to specified frequency regions in the discrete Fourier transform (DFT) of the sinogram. By modeling the detector point… CONTINUE READING

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