Robust and Automatic Polarity Determination for Phase-Sensitive Inversion Recovery (PSIR) Imaging

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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