[Insight-users] Tweaking accuracy of Diffeomorphic Demons Using ITK's Finite Difference Solver Hierarchy

[John Drozd]

typos are corrected below in italics:

On Thu, Apr 21, 2011 at 6:17 PM, John Drozd <john.drozd at gmail.com> wrote:

> Hi,
>
> I was wondering if someone could tell me what parameters I should tweak to
> increase the accuracy of warping using
> Diffeomorphic Demons Using ITK's Finite Difference Solver Hierarchy.  I
> have been playing blindly with the number of iterations and the number of
> multi-resolution iterations, the maximum step length and the sigma's.  If
> *someone *could explain how lowering or raising the values of these
> parameters affect the accuracy of the warping I would greatly appreciate it.
> I am using the warping to map seed points in brain ventricles from one 3D
> dicom image which I am using as a template to map seed points to *several*other subjects' ventricles which are also other dicom images and I am having
> trouble mapping *seeds* accurately within the thin temporal horns. The
> seed points in the ventricle body map well.
>
> Thank you for your time,
> and Happy Easter!
>
> John
>
> --
> John Drozd
> Post-Doctoral Fellow, Robarts Research Institute
> The University of Western Ontario
> London, ON, Canada
>
>


-- 
John Drozd
Post-Doctoral Fellow, Robarts Research Institute
The University of Western Ontario
London, ON, Canada
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