Fig. 3From: Cross-calibration of the Siemens mMR: easily acquired accurate PET phantom measurements, long-term stability and reproducibilityFusion of μ-maps and mMR cross-calibration PET scans of the mCT phantom. a User-defined CT-based (no shift) μ-map. b Predefined original mMR water phantom μ-map. c CT-based μ-map with an 8-mm shift (misregistration)Back to article page