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The purpose of this paper was to evaluate the effects of time-of-flight (TOF) and point spread function (PSF) modeling on quantitation accuracy in cardiac positron emission tomography (PET) of large patients. Medium and large anthropomorphic cardiac torso phantoms with three anatomical configurations were used in simulating medium and large patients with: 1) arms inside the field of view (FOV); 2)...
Using a medium and large sized anthropomorphic cardiac-torso phantoms we studied the effects of TOF and PSF to evaluate Rb-82 cardiac imaging of large patients. The reconstructed images were analyzed for recovery coefficient and RMS deviations on the polar plot data. Modelling PSF resulted in higher recovery coefficients while the reconstructions with TOF yielded reduced RMS deviations compared to...
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