Simultaneous Reconstruction of Activity and Attenuation in Time-of-Flight PET

@article{Rezaei2011SimultaneousRO,
  title={Simultaneous Reconstruction of Activity and Attenuation in Time-of-Flight PET},
  author={Ahmadreza Rezaei and Michel Defrise and Girish Bal and Christian Michel and Maurizio Conti and Charles Watson and Johan Nuyts},
  journal={2011 IEEE Nuclear Science Symposium Conference Record},
  year={2011},
  pages={2375-2382}
}
In positron emission tomography (PET) and single photon emission tomography (SPECT), attenuation correction is necessary for quantitative reconstruction of the tracer distribution. Previously, several attempts have been made to estimate the attenuation coefficients from emission data only. These attempts had limited success, because the problem does not have a unique solution, and severe and persistent “cross-talk” between the estimated activity and attenuation distributions was observed. In… CONTINUE READING

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