Re: [Freesurfer] Finding Duplicate Subjects in a Database

2017-09-11 Thread Douglas N Greve
> Sent: Monday, September 11, 2017 2:45 PM > To: freesurfer@nmr.mgh.harvard.edu > Subject: Re: [Freesurfer] Finding Duplicate Subjects in a Database > > Yea, that's what I would do. You can run asegstats2table to get a list > of the volume for all ROIs (so this gives you a m

Re: [Freesurfer] Finding Duplicate Subjects in a Database

2017-09-11 Thread Sherrill, John T
) 761-0580 From: freesurfer-boun...@nmr.mgh.harvard.edu on behalf of Douglas N Greve Sent: Monday, September 11, 2017 2:45 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Finding Duplicate Subjects in a Database Yea, that's what I wou

Re: [Freesurfer] Finding Duplicate Subjects in a Database

2017-09-11 Thread Douglas N Greve
gt; john_sherr...@me.com > (870) 761-0580 > > > From: freesurfer-boun...@nmr.mgh.harvard.edu > on behalf of Douglas N Greve > > Sent: Monday, September 11, 2017 2:07 PM > To: freesurfer@nmr.mgh.harvard.edu > Subject: Re: [Freesu

Re: [Freesurfer] Finding Duplicate Subjects in a Database

2017-09-11 Thread Sherrill, John T
...@nmr.mgh.harvard.edu on behalf of Douglas N Greve Sent: Monday, September 11, 2017 2:07 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Finding Duplicate Subjects in a Database One way is to perform a 6DOF registration between each pair. It is a lot of pairs, but I don't think you can avo

Re: [Freesurfer] Finding Duplicate Subjects in a Database

2017-09-11 Thread Douglas N Greve
One way is to perform a 6DOF registration between each pair. It is a lot of pairs, but I don't think you can avoid it. Pairs that come from the same subject will have an abnormally high (or low) objective function. You could use mri_coreg (use --no-smooth) . If you've already run all 550 throug

[Freesurfer] Finding Duplicate Subjects in a Database

2017-09-11 Thread Sherrill, John T
I am trying to find the best way to identify likely duplicate subjects with in a database of about 550 subjects. Some subjects where duel-consented for studies and had multiple scans over a relatively short period of time. What is the best way to tease these out? John Sherrill jtsherr...@uams.e