Tracking a moving point source using triple gamma imaging
Mokhtar Chmeissani,
Machiel Kolstein,
Gerard Ariño-Estrada
et al.
Abstract:With positron emission tomography (PET), the positron of a β
+ emitter radioisotope annihilates with a nearby electron
producing a pair of back-to-back 511 keV gamma rays that can be
detected in a scanner surrounding the point source. The position of
the point source is somewhere along the Line of Response (LOR) that
passes through the positions where the 511 keV gammas are detected.
In standard PET, an image reconstruction algorithm is used to
combine these LORs into a final ima… Show more
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