Re: [Freesurfer] Some questions about mris_make_template and downsample

2019-05-29 Thread Bruce Fischl
Hi Jingyue you can use mris_make_template to create a folding atlas from your subjects (assuming you have surfaces, do you)? Once you have the atlas you can create downsampled versions using the make_average_surface --ico script using N<7 (N=7 is our default 160K or so icosahedron. Every i

Re: [Freesurfer] Some questions about mris_make_template and downsample

2019-05-28 Thread Jingyue Zhang
External Email - Use Caution Dear Bruce: Sorry I forget to tell you I'm using the gifti format 40 subjects dHCP data, so these are neonatal data, I guess existing atlas like fsaverage may not work well. So I want to create my own reference template and project the fMRI data o

Re: [Freesurfer] Some questions about mris_make_template and downsample

2019-05-28 Thread Bruce Fischl
Hi Jingyue can you explain what your goal is in a bit more detail? My guess is you can use the existing atlas/template and not create a new one. As for the gifti conversion, I think mris_convert can handle it cheers Bruce On Tue, 28 May 2019, Jingyue Zhang wrote: External Email

[Freesurfer] Some questions about mris_make_template and downsample

2019-05-27 Thread Jingyue Zhang
External Email - Use Caution Dear Freesurfer experts: Hello! I'm a new student to surface based fMRI analysis. Now I'm dealing with a functional parcellation problem. The subjects in my dataset has different vertex number and I need to do a group level parcellation, so I de