Print

Print


Dear FSL,

I have used FEAT for preprocessing, What should I do to obtain a better
structural-to-standard registration,I have used non linear registration for
preprocessing

Thanks
VasudevC

On Tue, Feb 18, 2020 at 6:47 PM paul mccarthy <[log in to unmask]>
wrote:

> Hi Vasudev,
>
> I'm afraid I have to disagree - the structural-to-standard registration is
> quite poor. It looks like the structural brain extraction could be
> improved, as there is a strange bright artifact in the posterior region of
> the image qhich is throwing off the alignment.
>
> However, even with an improved brain extraction, you may still need to
> tune the registration further, as the image is quite atypical with respect
> to the MNI152.
>
> Paul
>
> On Feb 18 2020, at 5:28 pm, Dev vasu <[log in to unmask]>
> wrote:
>
> Dear Sir,
>
> For me the quality of registrations look ok, if possible, can you see them
> through this link
>
> https://www.dropbox.com/s/6fynlzv1e0sf243/example_func2highres.png?dl=0
> https://www.dropbox.com/s/dmm9iy46cs6i78z/example_func2standard.png?dl=0
> https://www.dropbox.com/s/sjfrkzbbbb1btj0/highres2standard.png?dl=0
>
> Thanks
> Vasudev
>
> On Tue, Feb 18, 2020 at 6:18 PM paul mccarthy <[log in to unmask]>
> wrote:
>
> Hi Vasudev,
>
> Your command  looks ok, so the problem might be with the registration
> itself - what is the quality of the functional to structural, and
> structural to standard registrations?
>
> Paul
>
> On Feb 18 2020, at 4:01 pm, Dev vasu <[log in to unmask]>
> wrote:
>
> Dear all,
>
> I was trying to transform the Visual cortex mask into functional space to
> extract time series but the result of transform is very bad
>
> I am annexing the figures to show the result of mask transform for your
> reference.
>
> I have used following procedure to apply transform on my mask Visual.nii.gz
>
> applywarp -i Visual_MNI.nii.gz. -r reg/example_func.nii.gz -o Visual_func
> --postmat=reg/highres2example_func.mat -w reg/highres2standard_warp_inv
>
> and the result can be seen in this image , seed Visual_MNI is attached for
> your reference.
>
>
>
>
>
>
>
> Thanks
> Vasudev
>
> To unsubscribe from the FSL list, click the following link:
> https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
>
>
> To unsubscribe from the FSL list, click the following link:
> https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
>
>
> To unsubscribe from the FSL list, click the following link:
> https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
>
>
> ------------------------------
>
> To unsubscribe from the FSL list, click the following link:
> https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
>

########################################################################

To unsubscribe from the FSL list, click the following link:
https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1