Robust and Automatic Polarity Determination for Phase-Sensitive Inversion Recovery (PSIR) Imaging
Deqing Chen 1 and Weiguo Zhang 1
Shanghai United Imaging Healthcare Co. Ltd.,
Shanghai, Shanghai, China
Ambiguity in global polarity can lead to wrong final
image contrasts in PSIR. Current methods for determining
polarity either rely on a priori assumptions or require
reference data that add significant scan time, making
them susceptible to errors under diverse clinical
circumstances. Here we report an efficient, reliable and
fully automatic method for determining the global
polarity for PSIR imaging. The method makes no
assumptions and requires practically no extra time.
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