Have you looked at the registration directly? Eg, there will be a
tkregisterfv command at the end of the register.log file. Run that. If
that does not look good, then there is a registration error. Send the
log file.
On 2/26/2025 5:59 PM, Gonzalo Rojas Costa wrote:
External Email - Use Caution
Hi:
I used the following commands:
dt_recon --i sub-OAS30003_ses-d1631_run-01_dwi.nii.gz --b
sub-OAS30003_ses-d1631_run-01_dwi.bval
sub-OAS30003_ses-d1631_run-01_dwi.bvec --s OAS30003_MR_d1631 --o
dt_recon_result
cd dt_recon_result
mri_vol2vol --mov lowb.nii.gz --targ
$SUBJECTS_DIR/OAS30003_MR_d1631/mri/aseg.mgz --inv --interp nearest
--o $SUBJECTS_DIR/OAS30003_MR_d1631/mri/aseg2diff.mgz --reg
register.dat --no-save-reg
mri_segstats --seg $SUBJECTS_DIR/OAS30003_MR_d1631/mri/aseg2diff.mgz
--ctab /home/gonzalorojascosta/freesurfer/FreeSurferColorLUT.txt --i
fa.nii.gz --sum fa.stats
And, to view the results, I used:
freeview -v $SUBJECTS_DIR/OAS30001_MR_d0757/mri/brain.mgz
$SUBJECTS_DIR/OAS30001_MR_d0757/mri/orig.mgz
$SUBJECTS_DIR/OAS30001_MR_d0757/mri/aseg.mgz:colormap=lut:opacity=0.2
fa.nii.gz:reg=register.dat:colormap=heat -colorscale -viewport coronal
Why is there a corregistration error between the FA and the
CC_Anterior (T1) section ?
Sincerely
Gonzalo M. Rojas-Costa
Adjunct Assistant Professor
School of Medicine
Finis Terrae University
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