A New Pulse Pileup Rejection Method Based on Position Shift Identification
IEEE Transactions on Nuclear Science（2016）
Abstract
Pulse pileup events degrade the signal-to-noise ratio (SNR) of nuclear medicine data. When such events occur in multiplexed detectors, they cause spatial misposition, energy spectrum distortion and degraded timing resolution, which leads to image artifacts. Pulse pileup is pronounced in PETbox4, a bench top PET scanner dedicated to high sensitivity and high resolution imaging of mice. In that syst...
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Key words
Detectors,Energy resolution,Sensitivity,Libraries,Image edge detection,Photonics,Logic gates
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