Phase image artifact reduction through interpolation

The accuracy of quantitative susceptibility mapping is dependent on the background phase removal. When regions with unreliable phase values are included in the phase image, e.g. vessels without proper flow compensation or bones with noisy phase, a simple background phase removal may amplify phase noise or create edge artifacts. In this study, we show a method to reduce the phase artifacts that are caused by the inclusion of noisy regions with unreliable phase values, in order to improve the accuracy of QSM.

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