Thank you, Jesper! I have another question regarding the orientation of the images. The output _fieldcoef file is in LPI orientation, and my EPI images to correct are in RAI. Do the fieldcoef and epi images need to be in the same orientation when input to applytopup? I have been re-orienting the epi images to LPI which can be space intensive with 8 epi files. Is it possible for me to reorient the fieldcoef file to RAI instead?
Thanks for the help,
Helen
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