Hi, I'm currently having problems converting .IMA files collected from a Siemens Skyra to .mgz format using mri_convert from Freesurfer5.3 on os x.
Using: mri_convert -it siemens -ot mgz 1.IMA test.mgz I get the error message: does not contain a Siemens ASCII header has this file been anonymised? ERROR: cannot unpack mosiacs without ASCII header The .IMA files have been taken straight from the scanner console. If I try: mri_convert -it dicom -ot mgz 1.IMA test.mgz this creates the .mgz, however there is an orientation shift and a vertical stripe artefact appears in the sagittal view (please see attached) when compared to the original .IMA. Any suggestions on how to convert the Siemens .IMA files correctly? Thanks, Paul
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