[Insight-users] DeformableMesh3DFilter with 2D images

[Luis Ibanez]

Hi Edoardo,

No, it is not possible to use the
DeformableMesh3DFilter in a 2D Image.

You may want to consider using LevelSets
instead of using deformable models.


    Regards,


         Luis


------------------------------------------------------------------
On Sun, Apr 25, 2010 at 9:24 AM, <edoardo.belletti at alice.it> wrote:

>
> Hi all,
>
> I have some problems using Deformable Model.
> I want to use a Deformable Model on a 2D Image.
> I tried to use the exaple: Examples/Segmentation/DeformableModel1.cxx. to
> implement a DeformableMesh3DFilter on a 2D Image and I had an error at this
> line
>
> deformableModelFilter->SetGradient(gradientMapFilter->GetOutput());
>
> /home/edoardo/ITK/Tesi/02_Lumen_identification/src/Lumen.cxx: In function
> ‘int main(int, char**)’:
> /home/edoardo/ITK/Tesi/02_Lumen_identification/src/Lumen.cxx:668: error: no
> matching function for call to ‘itk::DeformableMesh3DFilter<itk::Mesh<double,
> 2u, itk::DefaultStaticMeshTraits<double, 2u, 2u, float, float, double> >,
> itk::Mesh<double, 2u, itk::DefaultStaticMeshTraits<double, 2u, 2u, float,
> float, double> > >::SetGradient(itk::Image<itk::CovariantVector<double, 2u>,
> 2u>*)’
> /usr/local/include/InsightToolkit/Algorithms/itkDeformableMesh3DFilter.h:139:
> note: candidates are: void itk::DeformableMesh3DFilter<TInputMesh,
> TOutputMesh>::SetGradient(typename itk::Image<itk::CovariantVector<typename
> TInputMesh::PixelType, 3u>, 3u>::Pointer) [with TInputMesh =
> itk::Mesh<double, 2u, itk::DefaultStaticMeshTraits<double, 2u, 2u, float,
> float, double> >, TOutputMesh = itk::Mesh<double, 2u,
> itk::DefaultStaticMeshTraits<double, 2u, 2u, float, float, double> >]
>
>
> My type's definitions are:
>
> const unsigned int Dimension = 2;
> typedef unsigned char PixelType;
> typedef itk::Image< PixelType, Dimension > ImageType;
> typedef itk::Mesh< double, Dimension >     MeshType;
> typedef itk::CovariantVector< double, Dimension >  GradientPixelType;
> typedef itk::Image< GradientPixelType, Dimension > GradientImageType;
> typedef itk::GradientRecursiveGaussianImageFilter< ImageType,
> GradientImageType > GradientFilterType;
> typedef itk::GradientMagnitudeRecursiveGaussianImageFilter< ImageType,
> ImageType > GradientMagnitudeFilterType;
> typedef itk::BinaryMask3DMeshSource< ImageType, MeshType >
> MeshSourceType;
> typedef itk::DeformableMesh3DFilter< MeshType, MeshType >
> DeformableFilterType;
> typedef itk::CovariantVector< double, 2 > double2DVector;
> typedef itk::CovariantVector<double, 3> double3DVector;
> typedef itk::PointSetToImageFilter<MeshType,ImageType> MeshFilterType;
>
> Is it correct?
> Is it possible to use DeformableMesh3DFilter on a 2D Image?
>
>
> Thank you for the interest
> Edoardo
>
>
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