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The imaging performance of DPC-CT compared with that of the conventional CT: (a) MTFp(k) and MTFa(k), (b) NEQp(k) and NEQa(k), and (c) DQEp(k) and DQEa(k) (detector cell dimension: 64 × 64 μm2; x-ray exposure 5 × 106 photon/cm2 per projection).
