Dear Doug, My PET data is 3 x 5 minute acquisitions. Each subject has subject123_a.nii.gz, subject123_b.nii.gz, subject123_c.nii.gz and I am supposed to align and average them.
Please advise. Thanks! -- Shane Schofield On 8 March 2017 at 22:31:06, Douglas Greve (gr...@nmr.mgh.harvard.edu) wrote: No, the template is a within subject template used for registration. If your pet data only has one frame (eg, FDG SUV), then you don't need to run mri_convert or mri_concat, just use your pet image as the template On 3/8/17 11:11 AM, Shane S wrote: Hello Freesurfer, I have 3 PET images per individual. I am learning PetSurfer based on the Greve et al., 2014 paper. On the PetSurfer link, there are 2 methods. mri_convert pet.nii.gz —frame frameno template.nii.gz or mri_concat pet.nii.gz --mean —0 template.nii.gz What are the differences? My files are listed as subject123_a.nii.gz, subject123_b.nii.gz, subject123_c.nii.gz Is "mri_concat subject123_a.nii.gz, subject123_b.nii.gz, subject123_c.nii.gz —mean —o template.nii.gz” correct? Thank you for helping. Best Wishes, S -- Shane Schofield _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
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