Dear Dr Bruce, Thank you very much for the quick response. Topup works for DTI and I am wondering if it works for the T1 images. Thanks again! John
-------- Original Message -------- Subject: Re: [Freesurfer] susceptibility-induced distortions Local Time: August 7, 2017 1:54 PM UTC Time: August 7, 2017 5:54 PM From: fischl@nmr.mgh.harvard.edu To: John Anderson John.anderso@protonmail.com, Freesurfer support list freesurfer@nmr.mgh.harvard.edu Hi John I think the FSL group has some nice tools to fix these distortions either with or without field maps (topup for example) cheers Bruce On Mon, 7 Aug 2017, John Anderson wrote:
Dear Freesurfer experts, I want to inquire if there are any tools or any methods to improve T1 images which has "susceptibility-induced distortions" - attached an example.
I need to fix these distortions outside the brain. In the mouth area and I am wondering what is the best approach to deal with it and fix it.
I highly appreciate any help John
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