[ITK Community] [Insight-users] step artefact Bspline multi-resolution

[Luis Ibanez]

Emma,

It might be that the grid of the BSpline is not going beyond the fixed
image.
(as it should).

Please consider using the BSplineTransformInitializer class
http://www.itk.org/Doxygen/html/classitk_1_1BSplineTransformInitializer.html

It is described in this article in the Insight Journal:
http://www.insight-journal.org/browse/publication/216


     Thanks

          Luis



On Wed, Dec 11, 2013 at 3:28 PM, Emma Saunders <emmasaunders123 at gmail.com>wrote:

> Hi everyone
>
> I am performing multi resolution Bspline which is initialized with a bulk
> affine.  I haven't tuned for convergence yet but appear to be getting a
> step artefact at the edge of the field of view on the bottom inferior and
> left lateral border of the images.
>
> I can't hunt down anything that I have done wrong, has anyone experienced
> such a thing before or may have suggestions on the problem.
>
> Thanks
>
> Emma
>
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