Speaker
Description
J-PET scanner is the multi-layer, large field-of-view, cylindrical-shape
PET tomography device made of plastic scintillators. Its unique
capabilities allows to investigate various extensions to the traditional
2-photon tomography. In this contribution we investigate the method to
recover 511 keV annihilation photons from the multi-photon events. The
obtained fraction of events can be used to increase the statistics and
improve the quality of the reconstructed image. The studies are based on
the GATE Monte Carlo simulations with the 44 Sc source. The preliminary
results of theselection algorithm based on energy, geometrical and
temporal conditions will be presented. The presented technique can be
further extended towards 2+1 tomography, where the additional
information based on the registration of the high-energy de-excitation
gamma is incorporated into the image reconstruction procedure.
