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(a) Relative noise in fat (dashed lines) and water (solid lines) regions as a function of energy for the DE scan (curves) compared to the reference 70 kVp (straight lines). (b) Relative contrast between fat and water regions as a function of energy for the DE scan (curve) compared to the reference 70 kVp (straight line). (c) Contrast-to-noise ratio of water over fat as a function of energy for the DE scan (curve) compared to the reference 70 kVp (straight line).
