[Freesurfer] Ubuntu + Freesurfer VM passcode

2022-05-24 Thread Sarah Dziura
External Email - Use Caution Hi, Could I please get the passcode for unzipping the virtual image FS_7_2_0_Ubuntu_18_04_06.ova.7z

[Freesurfer] Deface DICOM

2022-05-24 Thread Victor Montal Blancafort
External Email - Use Caution Dear FS experts, I am using mri_deface to annon our data. Nevertheless, for a recent project, we were requested to share our DICOM original files, instad of .nii or .mgz. Thus, I was wondering if you know a simple way to deface T1 data inputing a DICOM

[Freesurfer] Tissue fraction effects correction

2022-05-24 Thread Marina Fernández
External Email - Use Caution Dear FS experts, We are planning to correct for tissue fraction effects on T1w/T2w ratio images using PETsurfer, setting the point spread function estimate to zero. My questions are: 1. Does it make sense to correct for tissue fraction effects on T1w/

Re: [Freesurfer] Tissue fraction effects correction

2022-05-24 Thread Glasser, Matt
External Email - Use Caution This is not something we have typically done with T1w/T2w myelin mapping. Is there a reason you are especially concerned about these issues? We tend to find that issues with surface placement, which are more prevalent at 1mm isotropic than at highe

Re: [Freesurfer] Deface DICOM

2022-05-24 Thread Wighton, Paul
Hi Victor, If you have the original DICOMs you could try something like pydicom to overwrite the voxel values. The process would go something like: 1) Convert DICOM to nifti using your favorite tool 2) Deface niftii data using your favorite tool 3) Load the defaced data into python using nibabe