Implementation and Evaluation of a 3D PET Single Scatter Simulation with TOF Modeling

Accurate quantification in TOF listmode PET reconstruction requires proper modeling of the TOF dependence of scatter. We have extended our non-TOF single scatter simulation to provide this information. We have observed excellent agreement with experimental data and an improvement in the uniformity o...

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Bibliographic Details
Main Authors: Werner, M.E., Suleman Surti, Karp, J.S.
Format: Conference Proceeding
Language:English
Subjects:
Detectors
Electromagnetic scattering
Event detection
Image reconstruction
Nuclear and plasma sciences
Particle scattering
Photonic crystals
Positron emission tomography
Radiology
Telephony
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Summary:Accurate quantification in TOF listmode PET reconstruction requires proper modeling of the TOF dependence of scatter. We have extended our non-TOF single scatter simulation to provide this information. We have observed excellent agreement with experimental data and an improvement in the uniformity of scatter correction over scaled non-TOF scatter correction. The method is practical in a clinical setting with existing computational resources. It can also provide simplifications to the reconstruction processing pipeline.
ISSN:1082-3654
2577-0829
DOI:10.1109/NSSMIC.2006.354238