Hello Falk Chris and Antonin, The default is 55 https://surfer.nmr.mgh.harvard.edu/fswiki/mris_inflate. Best, Paul
On Thu, Feb 9, 2017 at 10:42 AM, Falk Lüsebrink <falk.luesebr...@ovgu.de> wrote: > Dear Chris and Antonin, > > I found in some archived message or in the wiki that the default used to > be 50 iterations at some time in previous releases of FreeSurfer for > standard recon-all. Therefore, I changed it to 50 as default for every > resolution in the recent release. This works fine for example for up to > 0.5x0.5x0.5mm3 data. > > I'd also say, more is better and I have not experienced any drawbacks. > Processing time doesn't seem to increase noticeably, too. > > Best, > Falk > > ------------------------------ > *Von:* freesurfer-boun...@nmr.mgh.harvard.edu [freesurfer-boun...@nmr.mgh. > harvard.edu]" im Auftrag von "Antonin Skoch [a...@ikem.cz] > *Gesendet:* Donnerstag, 9. Februar 2017 16:20 > *An:* freesurfer@nmr.mgh.harvard.edu > *Betreff:* Re: [Freesurfer] Expert file for recon-all -hires > > Dear Chris, > > I have found that -n 15 is for our 0.7x0.7x0.7mm3 data not enough. > > I determined optimal value -n 30, empirically, by looking at the shape of > inflated surface with various number of iterations. Over -n 30 there was > almost no further progression in inflation. > > I suppose that better more than less. But maybe experts can correct me or > provide better suggestion. > > Antonin > > Hi all, > > If I'm reading this > <https://surfer.nmr.mgh.harvard.edu/fswiki/SubmillimeterRecon> correctly, > the current best practice for `-hires` is to include an expert file > containing "mris_inflate -n 15", and that this should work for all voxel > sizes (0.75mm)^3 - (1mm)^3? Or do we need to empirically determine the best > value for a given voxel size, and if so, what should be the criteria for > making this determination? > > Thanks, > Chris Markiewicz > > > > > _______________________________________________ > 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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