Evaluation of Maximum-likelihood Based Attenuation Correction in Positron Emission Tomography

  title={Evaluation of Maximum-likelihood Based Attenuation Correction in Positron Emission Tomography},
  author={Johan Nuyts and Patrick Dupont and Sigrid S Stroobants and Annelies Maes and Luc Mortelmans}
In positron emission tomography, transmission scans are used to correct the acquired data for the effect of photon attenuation. The noise present in the transmission measurement often has a significant effect on the signal to noise ratio of the final attenuation corrected image of the tracer distribution. This study evaluates the effect of different attenuation correction strategies on the performance of human observers in a tumor detection task. The four strategies considered are: no… CONTINUE READING


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