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Compartmental modeling of dynamic PET data enables quantification of tracer kinetics in vivo, through the obtained model parameters. The dynamic data is sorted into frames during or after the acquisition, with a sampling interval usually ranging from 10 s to 300 s. In this study we wanted to investigate the effect of the chosen sampling interval on kinetic parameters obtained from a 2-tissue model,...
We construct three-dimensional GATE-based models of the C-SPECT proposed cardiac tomographer and of a typical dual-head gamma camera. The models are used to compare the two systems performance in geometric efficiency and image reconstruction. A digital phantom that includes a cylindrical annulus that emulates the myocardium is used for imaging. The working example of C-SPECT is not representing the...
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