The classification of WM probably takes the most. This includes a lot of things, the longest is the subcortical segmentation. See recon-all-status.log for a list of times of each operation. doug
On 06/08/2013 03:05 PM, Joshua Lee wrote: > Dear Freesurfers, > > From the Wiki Freesurfer surface stream follows something like: > > 1. Affine registration to Tal. > 2. Bias correction and skull stripping > 3. Classify WM > 4. Cut hemisphere planes > 5. Tile WM surface > 6. Refine WM surface following GM-WM intensity gradients > 7. Nudge (nudge?) WM surface to follow the GM-CSF gradient to > generate pial surface > 8. Labeling Data Set > 9. Stats > > May I ask which couple of these steps tend to be the most > computationally taxing/longest to complete? > > Also, I'm not sure I understand #7. Is the WM surface scaled in some > sense to approximate the GM-CSF boundary, or is this just a refinement > step like #6 of a surface that already approximates the GM-CSF boundary? > > Thanks, I've spent most of my time working with the sub-cortical stream. > - > Joshua > > > _______________________________________________ > 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.
