Hi Doug, I want to derive a single averaged PET volume from the three reconstructed 5 min acquisitions, expressed in detected counts. Then we will divide the counts based on the cerebellum. Following that, I want to use PetSurfer for partial volume correction and GLM comparisons. May I upload the 3 images per subject?
Thank you. -- Shane S On 9 March 2017 at 16:18:33, Douglas N Greve ([email protected]) wrote: How are you planning on analyzing the different time points? On 03/08/2017 05:33 PM, Shane S wrote: > 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 ([email protected] > <mailto:[email protected]>) 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 >>> [email protected] >>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer >> >> _______________________________________________ >> Freesurfer mailing list >> [email protected] >> 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. > > > _______________________________________________ > Freesurfer mailing list > [email protected] > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center [email protected] Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ Freesurfer mailing list [email protected] https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
_______________________________________________ Freesurfer mailing list [email protected] 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.
