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Reconstructed images for a central transverse slice from a full ring scanner using three different crystal cross-sections: (a) 1×1-mm2, (b) 2×2-mm2, and (c) 3×3-mm2. (d) Measured CRC values for the three hot lesions in a full ring scanner using three different crystal cross-sections, 1×1-mm2, 2×2-mm2, and 3×3-mm2. The results are shown for phantom with diameter of 10-cm.
