[MINC-users] Hyperintensities in T1 images

[Andrew Janke]

no extra clever.

mincnorm merely wraps this process and the subsequent minccalc call up for
you.

as per most minc things, use -verbose to see what's going on.

a
On 03/03/2016 7:02 AM, "Gabriel A. Devenyi" <gdevenyi at gmail.com> wrote:

> Thanks Andrew,
>
> I was investigating mincnorm, looks like I can do the same thing as with
> -clamp, with the addition of rescaling the range.
>
> I was intending to use mincmath -clamp by computing the -pctT from
> mincstats anyways, is there any other cleverness going on that makes this
> implementation different?
>
> --
> Gabriel A. Devenyi B.Eng. Ph.D.
> Research Computing Associate
> Computational Brain Anatomy Laboratory
> Cerebral Imaging Center
> Douglas Mental Health University Institute
> McGill University
> t: 514.761.6131x4781
> e: gdevenyi at gmail.com
>
> On Wed, Mar 2, 2016 at 3:43 PM, Andrew Janke <a.janke at gmail.com> wrote:
>
> > if they represent a small part of the image, have a try with mincnorm. it
> > uses histogram pcts.
> >
> > a
> > On 03/03/2016 5:26 AM, "Gabriel A. Devenyi" <gdevenyi at gmail.com> wrote:
> >
> > > Hi all,
> > >
> > > I'm working with some data where the scan range is very large, and fat
> > > deposits (in the neck) or the subject's shoulders have far higher
> > > intensities than the brain tissue.
> > >
> > > This breaks bestlinreg and similar "blur and register" types of
> methods.
> > >
> > > Can anyone recommend a way to "tamp down" these high intensity regions?
> > > (Note, I already tried cropping and the image size variation makes this
> > > tedious to do manually).
> > >
> > > Thanks!
> > >
> > > --
> > > Gabriel A. Devenyi B.Eng. Ph.D.
> > > Research Computing Associate
> > > Computational Brain Anatomy Laboratory
> > > Cerebral Imaging Center
> > > Douglas Mental Health University Institute
> > > McGill University
> > > t: 514.761.6131x4781
> > > e: gdevenyi at gmail.com
> > > _______________________________________________
> > > MINC-users at bic.mni.mcgill.ca
> > > http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
> > >
> > _______________________________________________
> > MINC-users at bic.mni.mcgill.ca
> > http://www.bic.mni.mcgill.ca/mailman/listinfo/minc-users
> >
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