no worries. That is a pretty short TR and a pretty long TE for a typical
T1-weighted scan. Do you know what kind of scan it was? That is, the name
of the sequence (e.g. FLASH, MPRAGE, SPGR, etc...)
cheers
Bruce
On Tue, 27 Feb 2018, adriancarl.stei...@uzh.ch wrote:
Hi Bruce
Thank you very much for your swift response. Our image was
T1-weighted, with a resolution of 240 x 240 x 160 and a field
intensity of 3 Tesla. The Sequence was TR/TE 10.66/6.04 ms.
I have attached the recon-all.log file to this mail. Sorry for
not having supplied the required information
the first time, as I said it is my first try with freesurfer.
Cheers
Adrian
-----freesurfer-boun...@nmr.mgh.harvard.edu schrieb: -----An: Freesurfer support list
<freesurfer@nmr.mgh.harvard.edu>
Von: Bruce Fischl
Gesendet von: freesurfer-boun...@nmr.mgh.harvard.edu
Datum: 27.02.2018 16:05
Kopie: Fedele Tommaso <tommaso.fed...@usz.ch>
Betreff: Re: [Freesurfer] Quality issues when running recon-all
Hi Adrian
it's impossible for us to diagnose without more information. What was the
acquisition (field strength, resolution, sequence type, etc...) and at
least send us the contents of the recon-all.log file.
cheers
Bruce
On Tue, 27 Feb 2018,
adriancarl.stei...@uzh.ch wrote:
> Dear Freesurfer community,
>
> I am at my first experience with Freesurfer. Following the tutorial,
> I ran Freesurfer on MR images for my Master Thesis.
>
> When running Freesurfer's 'recon-all' command on a Mac Pro to
> process a .nii MRI file, I was able to complete all calculations
> in approximately 10 hours as estimated, and obtained a message
> that all operations were completed without Errors or bugs.
>
> However, the image I was able to retrieve from the lh.pial file
> seems to be of greatly inferior quality compared to the ones we
> obtained from a test run using tutorial data. Attached to this mail,
> you will find screenshots of the MR and the lh.pial output from
> Freesurfer.
>
> This is the code I entered into Terminal to set up recon-all:
>
> export FREESURFER_HOME=/Volumes/LaCie/freesurfer
>
> source $FREESURFER_HOME/SetUpFreeSurfer.sh
>
> mri_convert -c -oc 0 0 0 /Volumes/LACIE-SHARE/Adrian/Patient data
.nii/IA/IA_MRpre
> .nii/T1_3D_TFE_DBS.nii
>
/Volumes/LaCie/freesurfer/buckner_data/tutorial_subjs/multimodal/fmri/fbirn-101/template.nii
>
>
>
> S_NAME=IA
>
>
DATA_PATH=/Volumes/LaCie/freesurfer/buckner_data/tutorial_subjs/multimodal/fmri/fbirn-101/template.
> nii
>
>
>
> recon-all -i $DATA_PATH -subject $S_NAME -all
>
>
> Given the good quality of the MR, I expected a better quality in
> the Freesurfer Output. Could you please help me understand how I
> can improve my results?
>
> Thank you in advance for your Support
>
> Adrian Steiner
>
>
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