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We designed a novel detector module combining the dual-ended readout design with the traditional block detector for resolving depth of interaction (DOI) and enabling high encoding ratio (number of scintillation crystals per photodetector) and high photon collection efficiency. The design and performance of the dual-ended readout block detector were investigated using Monte-Carlo simulation. Detector...
We present two novel contributions for multiplexing PET detectors. First, we develop a new theoretical framework for investigating multiplexing schemes for PET detectors using the theory of "compressed sensing" (CS). Second, we develop a new CS decoder that improves the multiplexing SNR. Because the photon events in PET are discrete, the detected photon signals are very sparse. CS theory...
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