mri_diff finds no differences in the mri/orig/001.mgz's but the checksums are different. In fact, their sizes are slightly different.
> -----Original Message----- > From: freesurfer-boun...@nmr.mgh.harvard.edu [mailto:freesurfer- > boun...@nmr.mgh.harvard.edu] On Behalf Of Bruce Fischl > Sent: Wednesday, February 10, 2016 3:45 PM > To: Freesurfer support list > Subject: Re: [Freesurfer] comparing multiple runs on the same scan > > Hi Don > > are you saying the 001.mgz is different when created from the same dicom > data? Can you run mri_diff on it to see what the difference is? > > cheers > Bruce > On Wed, 10 > Feb 2016, Krieger, Donald N. wrote: > > > > > We would like to confirm that we are getting identical results from > > multiple freesurfer runs on the same data set. > > > > To do so we are comparing identically named files using md5sum and > > would very much appreciate your thoughts on our results. For multiple > > files, we concatenate them and pipe the output into md5sum. Below is > > a table showing what we’ve found so far. I take hope from the > > positive matches we get from all of the .annot files and from the fact > > that 001.mgz does not match. This latter suggests that there is a > > date or something embedded in some of the files from separate runs which > defeats the match. > > > > > > > > Please let us know what you know about this and thanks. > > > > > > > > file(s) > > > > md5sum result > > > > label/*.annot > > > > match > > > > label/*.label > > > > match > > > > mri/wmparc.mgz > > > > mismatch > > > > surf/qsphere.nofix > > > > surf/rh.sphere > > > > mismatch > > > > mri/orig/001.mgz > > > > mismatch > > > > mri/transforms/talairach.m3z > > > > match > > > > mri/transforms/talairach.m3z.inv.x.mgz > > > > mri/transforms/talairach.m3z.inv.y.mgz > > > > mri/transforms/talairach.m3z.inv.z.mgz > > > > mismatch > > > > mismatch > > > > mismatch > > > > > > > > Best - Don > > > > > > > > > > > > Don Krieger, Ph.D. > > > > Department of Neurological Surgery > > > > University of Pittsburgh > > > > > > _______________________________________________ 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.
