[ITK] [ITK-users] FEM based deformable registration

[Matt McCormick]

Hi Tony,

By default the FEM-based deformable registration assumes uniform
material properties.  If different material properties are chosen a
priori, a manually constructed FEMObject could in principle be set
with SetInputFEMObject [1].  This is much simpler than the general
inverse problem, where an attempt is made to also learn the material
elasticity.  However, if there is some indication with intensity, for
example, of local elasticity in the input images, it could be used to
generate a more realistic result.

Hope this helps,
Matt

[1] http://www.itk.org/Doxygen/html/classitk_1_1fem_1_1FEMRegistrationFilter.html#a4d27383fe91a76c385c3684f96a63934

On Mon, Apr 14, 2014 at 12:00 PM, Tony <bowler0_uk at yahoo.com> wrote:
> Dear list,
>
> I have been trying to learn and understand FEM based deformable registration. Is it possible to assign different material properties to different voxels both in principle and currently in ITK. If the answer to both of these is yes - is there an exmaple floating around?
>
> Thanks.
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