Evaluation of the Feasibility and Quantitative Accuracy of a Generalized Scatter 2D PET Reconstruction Method

<table>The CRC curves for the #4 (cold) disk versus the relative standard deviation of the background. The CRC curves shown with filled symbols represent the images reconstructed using the GS-MLEM with different scattering fractions. The lines in the same style with empty symbols correspond to images with the same scatter fraction, reconstructed by LOR-MLEM. The CRC for the true coincidences is shown as a solid line for comparison. The diamonds reflect the optimal points on the CRC-RSD curves.</table>

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Figure 7

Figure 7: Evaluation of the Feasibility and Quantitative Accuracy of a Generalized Scatter 2D PET Reconstruction Method 