1. Yes. 2. No, it's all done in what we call "conformed" space, which is the original volume interpolated to 256^3, 1mm iso and 8 bits/voxel On Tue, 30 Jan 2007, yanxia wrote:

Thanks, Bruce.

I have another questions:

1> If the input binary segmentation is topologically correct, whether the surface generated with the utility mri_tessellate is topologically correct.

2> All output results with "recon-all -s bert -autorecon-all" are based on normalized space (template), is it right?

Best Regards, Yan

At 05:50 PM 1/29/2007, Bruce Fischl wrote:

...

Hi Yan,

1. We generate a file named ribbon.mgz, which is the filled interior etween

the ?h.white and ?h.pial surfaces.

2. This is a whole research topic, and most of the stuff that happens after

the segmentation is for doing this. The utility mri_tessellate will generate a surface from a binary segmentation but it won't be smooth or topologically correct.

cheers, Bruce

On Mon, 29 Jan 2007, yanxia wrote:

...

Dear All,

I am a new user of FreeSurfer. I have two questions:

1> How can I use mri_surf2vol or others to convert .pial to .mgz?

2> I have a binary .mgz file. How can I generate .pial file so that I can view it with tksurfer?

Thanks.

Yan

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