Dear FS experts, <br /><br />I'm trying to convert one skull-stripped image from the FS segmentation to a nifti in native space, but I'm having some troubles with it.<br /><br />I'm doing everything with the a to d steps<br />a) cd /root/trabajo/freesurfer/subjects/s00x/mri/<br />b) mri_vol2vol --interp nearest --mov brain.mgz --targ rawavg.mgz --out brain2raw.mgz --regheader<br />c) mri_mask -T 2 rawavg.mgz brain2raw.mgz brainraw.mgz<br />d) mri_convert -odt float brainraw.mgz brain.nii<br /><br /><div style="font-family: 'Times New Roman'; font-size: 16px;"><br /></div>but in step b always get the following error:<br /><br />mri_vol2vol --interp nearest --mov brain.mgz --targ rawavg.mgz --out brain2raw.mgz --regheader<br />movvol brain.mgz<br />targvol rawavg.mgz<br />outvol brain2raw.mgz<br />invert 0<br />tal    0<br />talres 2<br />regheader 1<br />noresample 0<br />interp  nearest (0)<br />precision  float (3)<br />Gdiag_no  -1<br />Synth      0<br />SynthSeed  1352942991<br />MRIalloc: could not allocate -512234304 frame<br /><br />Cannot allocate memory<br /><br /><br /><br /><br /><br />Any ideas how to solve this?<br />Should I to re-run any recon?<br /><br /><br />Many thanks in advanced,<br />Gabriel<br />