[Freesurfer] basic questions about cortical thickness

2006-06-19 Thread Chunchun Ni
Hi, I have some basic questions about cortical thickness.
1) What's the image requirement for calculating cortical thickness? slice
thickness, resolution?
2) If analyzing one brain image on basic system requirement linux machine
( 2G ram, 2G processor ). How long does it take?


Thanks
Chunchun


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[Freesurfer] Flag: -subjectid unrecognized

2007-01-08 Thread Chunchun Ni
hi,
I converted one analyze file to MGZ format, then try use the
recon-all -autorecon-all -subjid bert (replace subjectid by myid ), but the
command run nothing but Flag: -subjectid unrecognized. Anybody has some idea
how to fix it? Thanks for any help!

Chunchun


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[Freesurfer] Testing FreeSurfer installation error

2006-03-15 Thread Chunchun Ni
I installed the freesurfer following exactly as the instructions on the
website. When I test it,  "recon-all -s bert -all" doesn't work, it runs for
a few min. and shows "flirt: Command not found.
ERROR: running flirt". When I try to use my own data, convert dicom to mgt,
"mri_convert" command shows "can't find dicom".
What's the problem with the installation? Any help?

Thanks
Chunchun


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[Freesurfer] Recommendation for Linux machine

2006-04-10 Thread Chunchun Ni
Hi,
We plan to buy Linux machine for freesurfer and other brain image
processing.  Any recommendation and related links?

Thanks
Chunchun


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