AFNI Message Board

Dear AFNI users-

We are very pleased to announce that the new AFNI Message Board framework is up! Please join us at:

https://discuss.afni.nimh.nih.gov

Existing user accounts have been migrated, so returning users can login by requesting a password reset. New users can create accounts, as well, through a standard account creation process. Please note that these setup emails might initially go to spam folders (esp. for NIH users!), so please check those locations in the beginning.

The current Message Board discussion threads have been migrated to the new framework. The current Message Board will remain visible, but read-only, for a little while.

Sincerely, AFNI HQ

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Marina Fernandez Alvarez
September 29, 2021 07:20AM
Thank you for your reply Daniel.

I should clarify that the EPI volumes don’t have severe or evident artefacts and the reason why we would like to correct the inhomogeneities is to improve us much is possible the alignment of the EPI volumes. Considering these facts:
1) Do you recommend to apply 3dUnifize only in the case that the inhomogeneities are evidents?
2) In case that you think we should always apply 3dUnifize in our preprocessing (even if the inhomogeneities are not evident), when should we apply it? Before EPI volume alignment or before the alignment of de EPI volumes to the anatomical?

Best,
Marina
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Subject Author Posted

Intensity inhomogeneity correction

Marina Fernandez Alvarez September 28, 2021 11:24AM

Re: Intensity inhomogeneity correction

Daniel Glen September 28, 2021 12:39PM

Re: Intensity inhomogeneity correction

Marina Fernandez Alvarez September 29, 2021 07:20AM

Re: Intensity inhomogeneity correction

Daniel Glen September 29, 2021 03:42PM

Re: Intensity inhomogeneity correction

Marina Fernandez Alvarez October 01, 2021 06:00AM