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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: IEEE Trans Med Imaging. 2018 Feb;37(2):590–603. doi: 10.1109/TMI.2017.2767940

Fig. 2.

Fig. 2

Top row: transversal slice of PET and MR ground truth images that were used to generate the simulated data. The following rows show mean, bias and standard deviation images of post-smoothed OSEM reconstructions of 30 noise realizations with 108 true coincidences of the simulated 3D PET data set. All reconstructions were done with 20 iterations and 21 subsets. For post-smoothed OSEM the results after 8 iterations and 21 subsets are shown as well. The amount of post-smoothing is shown in the bottom and increases from left to right.