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. 2024 Feb 6;17(1):24–46. doi: 10.1007/s12194-024-00780-3

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© The Author(s) 2024, corrected publication 2024

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Fig. 12 — Results of FastPET reconstruction. Columns correspond to the phantom image, list-mode DRAMA, FastPET without and with direction information (from left to right). Reconstructed images were tagged using the mean and standard deviation of the contrast recovery coefficients (CRCs) of three tumor regions. The use of directional information (Ote and Hashimoto [186]) improves reconstruction performance (FastPET [184]). The figure is reprinted with a modification from the work of Ote and Hashimoto [186]