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Fig. 1 | EJNMMI Research

Fig. 1

From: Assessing the impact of different penalty factors of the Bayesian reconstruction algorithm Q.Clear on in vivo low count kinetic analysis of [11C]PHNO brain PET-MR studies

Fig. 1

Model fitting obtained for the Cerebellum and Globus Pallidus, one PET-MR brain dataset (same subject) reconstructed with TOF Q.Clear β100 (top row) and OSEM (bottom row). Note the interference of the background counts on the model fitting on the graphic entitled “Original Data” (A). The three initial frames that contained background counts were removed on the graphic entitled “Cropped data” (B). Note the lack of interference from the background counts, when OSEM is used, on the model fitting on graphic (C) and the similar model fitting obtained when the initial frames are removed for the OSEM reconstructed, on graphic (D)

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