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Region-of-interest analysis in PET images of the phantom-only scan (Phantom Only) compared with that acquired with the coil present using the template CT attenuation map (With Coil - CT AC) or a registered coil attenuation map (With Coil - V-Spline). Using our registration technique can accurately correct for the coil’s attenuation as shown in the ROI analysis at the top ROI (A) and the bottom ROI (B).
