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. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: IEEE Trans Comput Imaging. 2019 Apr 25;5(4):530–539. doi: 10.1109/TCI.2019.2913287

Fig. 3.

Fig. 3.

Simulation results. Transverse slices from the T1-MR image, true PET image, Gaussian-filtered OSEM image (GF), and deblurred images with the spatially-variant PSF but no penalty (SVPSF), quadratic penalty (QP), anisotropic total variation penalty (TV), Bowsher penalty (BP), and MR-based joint entropy penalty (JE).