[ITK Community] [Insight-users] Deformable Simplex Mesh Initialized with Landmarks (Segmentation)

[Matt McCormick]

Hi Ryan,

Have you tried using this class:

  http://www.itk.org/Doxygen/html/classitk_1_1LandmarkDisplacementFieldSource.html

?

Thanks,
Matt

On Sun, Feb 2, 2014 at 12:41 PM, Ryan <rarmst2 at uwo.ca> wrote:
> Hi All,
>
> I haven't been able to find a direct solution to my problem and would
> greatly appreciate any suggestions.
>
> I have a high resolution volumetric image (MRI) where I wish to create a
> geometric template from for a specific structure through manual segmentation
> and then use it as a deformable model for segmentation of lower resolution
> images through a filter such as itk::DeformableSimplexMesh3DFilter.
>
> Since I expect high variability in the feature we are extracting, I want to
> allow initialization of the model within an image through the selection of
> landmarks. Using a simplex mesh, I'm not sure how to assign corresponding
> landmarks and then deform the mesh based on their position in a novel image.
>
> The ultimate goal is to create a smooth triangle mesh (high density)
> corresponding to the anatomical geometry of the low resolution image.
>
> Is this possible or is there a better approach?
>
> Thanks,
> Ryan
>
>
>
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