Re: [Freesurfer] Using fieldmap to correct EPI distortions

2014-09-12 Thread Reza Rajimehr
Hi Doug, So I am using a command like this: epidewarp.fsl --mag ~/MonkeyfMRI/oz_fparc/fieldmap/003/fid_mag.nii --dph ~/MonkeyfMRI/oz_fparc/fieldmap/004/fid_phasediff.nii --exf ~/MonkeyfMRI/oz_fparc/bold/template.nii.gz --exfdw ~/MonkeyfMRI/oz_fparc/bold/b0dc.nii.gz --vsm vsm.nii.gz --tediff 2.46

Re: [Freesurfer] Using fieldmap to correct EPI distortions

2014-09-12 Thread Douglas N Greve
Sorry, the b0dc.nii.gz should be the argument of --vsm (no need to use --exfdw). On 09/12/2014 08:28 AM, Reza Rajimehr wrote: Hi Doug, So I am using a command like this: epidewarp.fsl --mag ~/MonkeyfMRI/oz_fparc/fieldmap/003/fid_mag.nii --dph

Re: [Freesurfer] Using fieldmap to correct EPI distortions

2014-09-09 Thread Douglas N Greve
the commands I gave you will do this On 09/06/2014 07:47 AM, Reza Rajimehr wrote: I forgot to mention that I want to use undistorted EPI volumes for the functional-anatomical registration. Hi, I have a basic question, but the answer can be useful for others as well. I am doing a

Re: [Freesurfer] Using fieldmap to correct EPI distortions

2014-09-09 Thread Douglas N Greve
On 09/06/2014 07:10 AM, Reza Rajimehr wrote: Hi, I have a basic question, but the answer can be useful for others as well. I am doing a customized preprocessing of monkey functional data in FS-FAST v5.3. After motion correction and before functional-anatomical registration, I want to use

[Freesurfer] Using fieldmap to correct EPI distortions

2014-09-06 Thread Reza Rajimehr
Hi, I have a basic question, but the answer can be useful for others as well. I am doing a customized preprocessing of monkey functional data in FS-FAST v5.3. After motion correction and before functional-anatomical registration, I want to use fieldmap data to correct spatial distortions of EPI

Re: [Freesurfer] Using fieldmap to correct EPI distortions

2014-09-06 Thread Reza Rajimehr
I forgot to mention that I want to use undistorted EPI volumes for the functional-anatomical registration. Hi, I have a basic question, but the answer can be useful for others as well. I am doing a customized preprocessing of monkey functional data in FS-FAST v5.3. After motion correction

Re: [Freesurfer] Using fieldmap to correct EPI distortions

2014-09-06 Thread Sebastian Moeller
Hi Reza, On Sep 6, 2014, at 13:47 , Reza Rajimehr r...@nmr.mgh.harvard.edu wrote: I forgot to mention that I want to use undistorted EPI volumes for the functional-anatomical registration. Well that is simple then, just undistorted the 3D EPI image you used as template for motion

Re: [Freesurfer] Using fieldmap to correct EPI distortions

2014-09-06 Thread Sebastian Moeller
Hi Reza, On Sep 6, 2014, at 13:10 , Reza Rajimehr r...@nmr.mgh.harvard.edu wrote: Hi, I have a basic question, but the answer can be useful for others as well. I am doing a customized preprocessing of monkey functional data in FS-FAST v5.3. After motion correction and before