What is your command line? This is surely an initialization error. Try
running tkregister2 with --regheader to see where it starts. If that is
close, then use --init-header on bbregister
doug
On 7/23/13 4:13 PM, Smian wrote:
Thank you for your reponse. The registration has turned out quite
strangely (please see attached). I checked the first value in the
mincost file and it is quite high (~0.95). I'm assuming that means
that the initialization was bad. I tried changing the initialization
from fsl to spm and header, but that failed too. Would you know why
this could be occurring and how I might be able to fix it?
Thank you!
On 2013-07-23 16:07, Bruce Fischl wrote:
you can use bbregister to register your T2* volumes to the surface, then
mri_vol2surf to sample and display it.
cheers
Bruce
On Tue, 23 Jul 2013, Smian wrote:
Hi everyone,
To put things into context, I am trying to follow the four step
methodology outlined in this paper (Cohen-Adad, 2013)
http://www.sciencedirect.com/science/article/pii/S1053811913000700
I have already performed recon-all on MPRAGE data. I have also carried
out the following steps:
1) Reconstruct cortical surface
2) Register T1 to the surface
3) Sample T1 at a given cortical depth
4) Register surface to fsaverage
I have now been told to use the T2* information from the fourth echo of
separately acquired T2* weighted data and to 'overlay' (I'm not sure if
this is the correct usage of this technical term) it on the surfaces
produced (as above) of the MPRAGE data. I realize that I can't perform
recon-all on this T2* weighted data. I am assuming that I need to carry
out steps similar to 1)-4) on this new data, but I'm not sure. Would
you
have any guidance on how to go about this?
Any help would be appreciated!
Thank you!
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