I'm just trying to figure out what the min. and max. threshold should be in function of the distribution in order to obtain the most accurate representation of the overlay data in the visualizer. Any thoughts?
Thanks! Gabriella -----Original Message----- From: freesurfer-boun...@nmr.mgh.harvard.edu [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Douglas N Greve Sent: Tuesday, March 03, 2015 5:48 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] tksurfer overlay threshold I'm not sure what you mean. optimal in what sense? doug On 03/03/2015 03:21 PM, Hirsch, Gabriella wrote: > Hi Fs experts, > > I had a quick question about settings thresholds of surface overlays > in Tksurfer. I am currently generating images of the thickness, volume > and surface area of individual subjects, and would like to know if > there are optimal minimum and maximum threshold values to be set for > different surfaces. For example, when overlaying thickness (from > /surf/?h.thickness), I have set the min threshold to 1 or 1.3 (see > attached); however I'm not sure this same threshold holds up in the > other surfaces (e.g. surface area). > > In summary, is there an optimal way to determine what this min. and > max. threshold should be in function of the distribution displayed in > the threshold window (see attached, on the left)? > > Thank you! > > Gabriella > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu 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 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. _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
