In this work we tested the feasibility of MRI relaxation time maps recalibration by employing an in-scan reference system. This ‘belt phantom’ was characterized through NMR standard spectroscopic technique. Scan-dependent recalibrations of the relaxation time maps could be performed relying on the ground-truth NMR values of the phantom, aiming to clinical intra- and inter-center harmonization. The in-scan reference phantom allowed also, together with the analysis of the standard deviation maps (measured as the 68% confidence bound of the fitted relaxation time value), to evaluate the reliability of the maps and the applicability of the recalibration.
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