[Insight-users] [ITK Community] Warping 2D contours in 3D

[Luis Ibanez]

Nookie,

In addition to the method that Andras suggested,

an alternative could be to rasterize your current 2D contours, to
reconstruct a 3D binary mask image,
and then use the itkBinaryMask3DMeshSource.h to extract the surface of the
whole 3D structure.
That will produce a Mesh that you can then transform to the target space.

 HTH

    Luis



On Mon, Jan 13, 2014 at 7:09 AM, nookie <limpforlife at aol.com> wrote:

> Hi Luis,
>
> Thanks for the answer.
>
> But unfortunately I think that doesn't solve my problem because of what you
> mentioned in the end.
>
> I have the coordinates of the contour vertices (in patient space) for each
> slice in my planning CT and the 3D deformation field achieved with a
> bSpline
> registration (outside ITK) between the planning CT and a CBCT.
> If I would simply map my contour points they will migrate out of plane in
> most cases and therefore I could not reconstruct the contours in each slice
> of my CBCT.
> That's why I think I need to build a mesh first and then segment the 2D
> contours for each slice in the CBCT after mapping the whole surface.
>
> Do you have any idea how to do that the best way with the ITK
> functionality?
>
> Thanks!
>
>
>
> --
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