[MINC-users] nonlinear registration in minc

[Andre Matos]

Hi Ernest,

Did you speak with Sridar or Louis Collins regarding this? We have some
nonlinear transformations done in the lab and Patricia (from Louis lab) did
for us.

Andre


On 3/1/06 9:26 AM, "Ernest Lo" <elo at neurorx.com> wrote:

> Hello,
> 
> I would like to perform a nonlinear registration of one image to another.
> In fact it is the same patient, but there is some minor distortion in one
> of the scans (that is affecting our tissue segmentation results).  So I'm
> looking for a registration technique that will not only align the images
> but correct for the distortion.
> 
> I have experimented with minctracc -nonlinear and mritoself with no
> success.  I don't have much experience in this area but it seems to me
> that a good nonlinear reg algorithm should be able to easily align these
> two images.  Would anyone know of a good way to do this, in terms of
> parameter settings, scripts, commands, etc.?
> 
> I have access to a couple of tools as well - nlfit_xcorr.pl and
> nlfit_smr.pl - but these require various model files in addition to the
> target image (blur levels etc.), which I don't know how to generate.  Any
> advice in this area would be appreciated as well.
> 
> Thanks!
> 
> 
> Ernest Lo
> NeuroRX Research
> Montreal, Canada
> 
> 
> 
> 
> _______________________________________________
> MINC-users at bic.mni.mcgill.ca
> http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users


-- 
Andre Matos
amatos at mrs.mni.mcgill.ca