also there is an issue in v5.1 where the second run of recon-all on a given platform will produce different results from the first (but subsequent runs should produce identical results). this issue has been fixed in the upcoming v5.2 release.
nick On Tue, 2013-01-22 at 10:18 -0500, Douglas N Greve wrote: > Hi Chikku, while we try to resolve these differences, you are not > guaranteed to get identical results when you use different platforms. > This is an issue with using different computes and applies to all > software, not just FS.It is caused by the use of different math > libraries and different binary operations. The difference you show is > only 0.3% which should not be enough to cause false results. > doug > > > > On 01/22/2013 08:13 AM, Varghese Chikku wrote: > > > > Dear FS team, > > I processed two set of MRI data for a single patient,Thats BL scan > > and TP1.I ran both scans on a Mcbook Pro and a PC with Virtual > > machine installed. > > Though I was expecting the same segstats,the results vary from > > Macpro to VM.For eg , for BL in Mac SubCortGrayVol is 178038 but for > > the same images in VM the results are 177432.Does it happened to > > any one before....Whats the reson its happening and how can I > > remedy,validate the results. > > Much appreciate your advice,... > > In Thanks > > Chikku. > > > > > > > > > > _______________________________________________ > > 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.