Re: [Freesurfer] A question about thickness computation for surfaces not generated by Freesurfer

2012-05-23 Thread Navid Shiee
s_convert lh.white.vtk lh.white > > you can then use mris_thickness to calculate the thickness measures. > > > cheers > Bruce > > > > On Tue, 22 May 2012, Navid Shiee wrote: > > Hi, >> >> I have generated inner and pial surfaces using another method. Howe

[Freesurfer] A question about thickness computation for surfaces not generated by Freesurfer

2012-05-22 Thread Navid Shiee
Hi, I have generated inner and pial surfaces using another method. However, I am interested in computing the cortical thickness using the method implemented in Freesurfer. My surfaces are in vtk format. I was wondering how I can do this, if this is at all possible. Thanks, -- Navid Shiee

Re: [Freesurfer] Converting thickness maps to vtk

2011-12-12 Thread Navid Shiee
t; mris_convert /?h. /?h..vtk > > I'm not sure you can convert the thickness.mgh files into .vtks, don't > they only contain coordinate information? Hope that helps. > > -Derin > > > > On Dec 12, 2011, at 9:13 AM, Navid Shiee wrote: > > > Hello, > > &g

[Freesurfer] Converting thickness maps to vtk

2011-12-12 Thread Navid Shiee
Hello, I was wondering if there is a command like mris_convert to create a thickness map in vtk format (either on the white or pial surface) ? Thanks, -- Navid Shiee Ph.D. Candidate Laboratory of MEDical Image Computing (MEDIC) Image Analysis and Communication Laboratory (IACL) Johns Hopkins

[Freesurfer] Transforming Lesion masks to the image space

2011-12-03 Thread Navid Shiee
takes the lesion mask to the desired space, however it used linear interpolation, I need nearest neighbor interpolation. I could not find a flag for specifying the interpolation type in mri_convert. Would you please help me with this? Thanks, -- Navid Shiee Ph.D. Candidate Laboratory of MEDical

[Freesurfer] Freesurfer surfaces in the original space

2011-08-30 Thread Navid Shiee
for surfaces. I would be very grateful if you can provide me with some information for doing this. I appreciate your kind help in advance. Regards, -- Navid Shiee Ph.D. Candidate Laboratory of MEDical Image Computing (MEDIC) Image Analysis and Communication Laboratory (IACL) Johns Hopkins

[Freesurfer] Transferring surfaces to the original image space

2011-01-04 Thread Navid Shiee
Hi, I want to transfer the inner and outer surfaces generated by freesurfer to the original image space, ie the input image space before being transformed in a coronal 256^3. Would you please let me know how should I do this? Thanks, -- Navid Laboratory of MEDical Image Computing (MEDIC) Johns

[Freesurfer] flag for not stripping the image

2010-12-14 Thread Navid Shiee
Hi, I have an image with very large ventricles, which makes the stripping step of the algorithm to fail. I have the stripped version of the image and was trying to use -noskullstrip flag to just input the stripped image. But I got an error of "could not open mask volume brainmask.mgz". Would you p

[Freesurfer] ---regheader option in mri_label2vol

2010-12-07 Thread Navid Shiee
Hi, I am trying to transform the volumetric labels from aseg.auto to the original space. As suggested on the wiki I use the command mri_label2vol --seg aseg.mgz --temp rawavg.mgz --o aseg-in-rawavg.mgz --regheader aseg.mgz However, I got ERROR: Option --regheader unknown If I don't use that opt