Unwrapping Function

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Matthew Hoch

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May 7, 2025, 5:44:06 PMMay 7

to medi-users

Hello!

I was wondering if it was safe to use either the unwrapPhase or unwrapLaplacian after the Fit_ppm_complex? I have gotten different susceptibility values depending on which unwrapping step I use when holding everything else constant. Is this to be expected?

Thank you,

Matt

Alexey Dimov

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May 7, 2025, 5:48:02 PMMay 7

to Matthew Hoch, medi-users

Hi Matt,

It is advised to use unwrapPhase, as Laplacian unwrapping Laplacian unwrapping produces only an approximation of the true unwrapped phase.

Regards

Alexey

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