[Insight-users] mesh creation from segmented
image
Bill Lorensen
bill.lorensen at gmail.com
Thu Apr 5 16:47:26 EDT 2007
Miladi,
If your data is 3D, I would use vtkDiscreteMarchingCues which is desigend to
work with segmented data. Once created, it can be smoothed with
vtkWindowedSincPolyDataFilter.
Bill
On 4/5/07, Luis Ibanez <luis.ibanez at kitware.com> wrote:
>
>
> Hi Miladi,
>
> Please read the ITK Software Guide:
>
> http://www.itk.org/ItkSoftwareGuide.pdf
>
> You will find examples on how to read multiple 2D
> slice files into a single 3D image in section 7.11.1
> "Reading Image Series" in pdf-page 319.
>
> The source code example can be found in
>
> Insight/Examples/IO/ImageSeriesReadWrite.cxx
>
>
>
> For an example on how to use the VTK marching
> cubes on an ITK image, please look at:
>
>
> InsightApplications/Auxiliary/vtk/
> itkReadITKImage3DSegmentShowVTK.cxx
>
> It shows how to convert an ITK image into vtkImageData
> and then pass it to the vtkContour filter.
>
>
> Regards,
>
>
> Luis
>
>
>
> -------------------------
> Miladi Med Amine wrote:
> > Hi,
> > thanks you for help.
> > can you let me how get the 3d binary image from slices.
> > Now i m thinking about marching cube marching cube algorithme using
> > vtkImageMarchingCubes,so can you if you knew ho to use this filter and
> > can it get segmented slices as my exemple.
> > thanks
> >
> > */Luis Ibanez <luis.ibanez at kitware.com>/* a écrit :
> >
> >
> > Hi Miladi,
> >
> > Thanks for sending your example images.
> >
> > Given that you already have segmentations for
> > each slice, the easy way to generate a contour
> > is to take the 3D binary image that you have
> > and to pass it to the filter:
> >
> >
> http://www.itk.org/Insight/Doxygen/html/classitk_1_1BinaryMask3DMeshSource.html
> >
> > This filter will produce an itkMesh that is the
> > contour of the segmentation.
> >
> > This is interesting if you plan to do something
> > like Deformable Models.
> >
> >
> > Note that if your purpose is to do visualization
> > of the contour, then you will find more useful
> > to convert the ITK image of the segmentation into
> > a VTK image, and then pass it to the vtkContour filter.
> >
> > You will find examples on how to do this in the
> > directory:
> >
> > InsightApplications/Auxiliary/vtk/
> > itkReadITKImage3DSegmentShowVTK.cxx
> >
> >
> >
> > Regards,
> >
> >
> > Luis
> >
> >
> >
> > -------------------------
> > Miladi Med Amine wrote:
> > > Hi Luis;
> > > my question is what is the way to create a mesh of endocade for
> > > exemple.i have a series of image as the exemple sended to you
> > > representing the object.
> > > and i would like to get some point the contour for each image,and
> > create
> > > the mesh.
> > > There's a way in itk to do that.
> > >
> > > Thanks
> > > MILADI
> > >
> > > ----- Message d'origine ----
> > > De : Luis Ibanez
> > > À : Miladi Med Amine
> > > Envoyé le : Mardi, 27 Mars 2007, 16h30mn 16s
> > > Objet : Re: Re : [Insight-users] mesh creation from segmented
> image
> > >
> > > Hi Miladi,
> > >
> > >
> > > What is your question ?
> > >
> > >
> > > Thanks
> > >
> > >
> > > Luis
> > >
> > >
> > > ------------------------
> > > Miladi Med Amine wrote:
> > > >
> > > > hi;
> > > > I would like to help me more.
> > > > So i have a series of segmented image of endocade,and my
> > objectif is to
> > > > create a mesh to modelise the endocade using itk.
> > > > thanks
> > > > ----- Message d'origine ----
> > > > De : Luis Ibanez
> > > > À : medamine
> > > > Cc : insight-users at itk.org
> > > > Envoyé le : Lundi, 26 Mars 2007, 0h45mn 37s
> > > > Objet : Re: [Insight-users] mesh creation from segmented image
> > > >
> > > > Hi Medamine,
> > > >
> > > > You may want to look at this filter:
> > > >
> > > >
> > >
> >
> http://www.itk.org/Insight/Doxygen/html/classitk_1_1BinaryMask3DMeshSource.html
> > > >
> > > >
> > > > Regards,
> > > >
> > > >
> > > > Luis
> > > >
> > > >
> > > >
> > > > --------------------
> > > > medamine wrote:
> > > > > hi .
> > > > > i would like to create a mesh from a segmented
> > image(endocade),and i m
> > > > > thinking about using snake to get cordonates of "contour".
> > > > > my question there's a methode to do that using itk?
> > > > > thanks for all.
> > > >
> > > >
> > > >
> >
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