Fig. 4From: Quantitative MR thermometry based on phase-drift correction PRF shift method at 0.35 TThe temperature RMSE (Mean ± SD) in the inner ROI. a Unheated phantom. b Unheated ex vivo porcine liver. RS1, RS2 and RS3 represented that the inner ROI contained 30, 40 and 30 pixels and the outer ROI contained 15, 15 and 10 pixels, respectivelyBack to article page