Re: [Freesurfer] Thin Surface

2015-03-17 Thread Bruce Fischl
Hi Pedro they should be based on the input to mris_make_surfaces, which I believe is brain.finalsurfs.mgz cheers Bruce On Tue, 17 Mar 2015, Pedro Rosa wrote: Hi, Bruce. I tried several thresholds in some subjects and it seems to work reallh well. Thanks for the help! However, I would like t

Re: [Freesurfer] Thin Surface

2015-03-16 Thread Pedro Rosa
Hi, Bruce. I tried several thresholds in some subjects and it seems to work reallh well. Thanks for the help! However, I would like to ask whether I should determine the expert values based on the raw image (001.mgz) or the normalized image (T1.mgz)? I am asking this because I believe the normal

Re: [Freesurfer] Thin Surface

2015-02-18 Thread Bruce Fischl
Hi Pedro I can't tell - you need to click around in the images and see what you think Bruce On Wed, 18 Feb 2015, Pedro Rosa - Gmail wrote: Thanks, Bruce. I pasted the mri_segment and mris_make_surfaces I found in three subjects’ logs. Expert opts would be -seg-wlo and -seg-ghi? Which values wo

Re: [Freesurfer] Thin Surface

2015-02-18 Thread Pedro Rosa - Gmail
Thanks, Bruce. I pasted the mri_segment and mris_make_surfaces I found in three subjects’ logs. Expert opts would be -seg-wlo and -seg-ghi? Which values would be reasonable? Do they depend on scanning characteristics or do you have a sort of standard parameters for the software? Regards, Pedro

Re: [Freesurfer] Thin Surface

2015-02-18 Thread Bruce Fischl
can you check mri_segmet and mris_make_surfaces and see if the auto-detected intensity parameters are reasonable? Things like max gray at csf border and such. If not, you can set them explicitly using the expert opts - this usually works Bruce On Wed, 18 Feb 2015, Pedro Rosa - Gmail wrote: