Robust Timing Calibration for PET Using L1-Norm Minimization. - David L. Freese; David F. C. Hsu; Derek Innes; Craig S. Levin (IEEE Trans. Medical Imaging, 2017)

Design and Performance of a 1 mm3 Resolution Clinical PET System Comprising 3-D Position Sensitive Scintillation Detectors. - David F. C. Hsu; David L. Freese; Paul D. Reynolds; Derek Innes; Craig S. Levin (IEEE Trans. Medical Imaging, 2018)