Combining Time of Flight (TOF) and Anatomical Information for Accurate Attenuation Correction in Hybrid Positron Emission Tomography (PET) Systems. KU Leuven
In positron emission tomography (PET), a quantitative reconstruction of the tracer distribution can only be obtained after an accurate correction for photon attenuation. Current PET scanners are usually combined with a CT scanner, and the CT image is used for attenuation correction. Recently, we were able to show that when time of flight (TOF) information is available, the TOF emission data can determine the tracer distribution up to a scale. ...