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We are developing a PET detector capable of measuring both time-of-fight (TOF) and depth-of-interaction (DOI) with a goal to improve resulting image quality and accuracy. Phoswich designs have been realized in PET detectors to measure DOI for more than a decade. However, PET detectors based on phoswich designs put great demand on the readout circuit, which has to differentiate the pulse shape produced...
Integrated PET/MRI enables simultaneous measurement of molecular, functional and anatomical information of the body in one combined scan, providing physicians and researchers with multi-parameter information. However, the long-term impact of integrated PET/MRI is limited by the high cost of the current commercial systems, which require the users to purchase both PET and MR subsystems, which are permanently...
We evaluated the timing performance of our data acquisition system (DAQ) with compressed sensing detectors we used in a PET insert for simultaneous PET/MR brain imaging. Compressed sensing is a promising multiplexing method that can achieve high multiplexing ratio while resolving simultaneous hits on multiple pixels without serious degradation of timing and energy resolution for positron emission...
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