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Reconstructing time-varying position of individual radioactive cells directly from positron emission tomography (PET) measurements
Reconstructing time-varying position of individual radioactive cells directly from positron emission tomography (PET) measurements
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机译:直接从正电子发射断层扫描(PET)测量重建单个放射性细胞的时变位置
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摘要
A method of reconstructing time-varying position of individual radioactive point sources directly from Positron Emission Tomography (PET) measurements is provided that includes using a PET scanner to acquire list-mode coincidence events of a moving radioactive point source, using an appropriately programmed computer to model a trajectory of the moving radioactive point source as a 3D function of a temporal variable, then apply an optimization procedure to find the trajectory that minimizes a distance between the trajectory and the recorded list-mode coincidence events, and using the PET scanner to output a real time position of the radioactive point source.
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