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FreeSurfer does not need ACPC alignment to be done. It does benefit from on-scanner B1- correction such as “Pre-Scan Normalize” on Siemens scanners.
Matt.
From: freesurfer-bounces@nmr.mgh.harvard.edu on behalf of Toshiharu Kamishikiryo k5105880@gmail.com Reply-To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu Date: Sunday, April 23, 2023 at 4:46 PM To: "freesurfer@nmr.mgh.harvard.edu" freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] ACPC alignment and RF/B1 bias correction before processing
External Email - Use Caution Hello Freesurfer experts
Would it be more accurate to apply ACPC alignment and RF/B1 bias correction to T1w.nii.gz before recon-all to improve pial estimation accuracy?
Thanks in advance
Regards Kamishikiryo Research Student
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