Look in $FREESURFER_HOME/FreeSurferColorLUT.txt
Behrang Nosrat Makouei wrote:
Hi, thanks for help. That was the segmentation i was looking for. Now the question is what is the look up table Freesurfer uses to assign values to different labels? in other words, if I want to segment the " G_postcentral" (for e.g.) what value should i look for? bets
On 9/25/06, Doug Greve <greve@nmr.mgh.harvard.edu mailto:greve@nmr.mgh.harvard.edu> wrote:
Have you looked at the aparc+aseg.mgz? It has cortical and subcortical labelings. You can convert it to analyze with mri_convert. Behrang Nosrat Makouei wrote:Hi, I actually had the some extra question in addition to the question Shahab had. So i thought to put the questions in the reply. My final goal is to have Cortical Regions segmented at the subjects native coordinate space. And I prefer to have the segmentation in analyze format. and also, I was wondering if 1- there is a way of saving Surfaces generated with FreeSurfer into an analyze image. 2- If we can control how fine the cortical segmentation be. (the number of regions segmented). Behrang, On 9/23/06, Bruce Fischl <fischl@nmr.mgh.harvard.edu <mailto:fischl@nmr.mgh.harvard.edu>> wrote: Hi Shahab, the ?h.*.annot files are the cortical labelings. What exactly do you wat to do with them? cheers, Bruce On Sat, 23 Sep 2006, Shahabuddin Ansari wrote:Hi,
I can extract subcorical objects from freesurfer
segmentation, since each object is lableled with normalized intesity value. I was wondering if I can extract different cortical regions in the same fashion. I can, though, view the labeled cotical surface in tksurfer.Thanks Shahab
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-- Behrang Nosrat Makouei, Engineering Science, MICA Lab (MIAL), TASC 9400, SFU. cell: 778-885-5016