Ed, do you want to send me the subject and I'll take a look?
--
On Mon, 10 May 2010, Ed Gronenschild wrote:
> Hi,
>
> I've mailed this once before and tried to solve a persistent problem.
> Reviewing the results of recon-all I noticed that the derived pial
> surface chopped away an unacceptable amount of gm voxels.
> First of all I tried to manually edit some wm voxels, however with
> no success.
> Then I tried another solution by combining the FSL-FAST wm
> segmentation with wm.mgz because I noticed that FSL_FAST
> produced better results. Although the results did improve,
> still the pial surface was incorrect.
> The last option I tried was another set of parameters for
> nu_correct. Because it concerns 3T scans I used
> --proto-iters1000 and --distance 50 (see paper of Zheng et al,
> NeuroImage 48, 73-83 (2009)) and previous e-mails on
> this subject ("nu-correct parameters", 27 April 2010).
> Also with these settings the pial surface chopped away
> too many voxels.
> I'm desperate, the manuals provide no options on how to fix
> such problems. The pial surface can be corrected by only
> REMOVING voxels that are included erroneously but there is
> no way to extent the pial surface by ADDING voxels.
>
> Ed
>
>
>
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>
>
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