[Insight-users] Demons based registration

[Luis Ibanez]

Hi Ganesh,

The  Demons deformable registration filter should work
in any dimension (2D, 3D, 4D...etc).


When converting to 3D the 2D example:

          DeformableRegistration17.cxx

You must change lines: 130-133"

  typedef itk::Image< PixelType, 2 > ImageType;
  typedef itk::Image< InternalPixelType, 2 > InternalImageType;
    typedef itk::Vector< float, 2 > VectorPixelType;
  typedef itk::Image< VectorPixelType, 2 > DeformationFieldType;


and line 206:

  const unsigned int Dimension = 2;


Please give it a try again and let us know if you
still find any problem.


Thanks,


        Luis


-----------------------------------------
On Tue, Jan 19, 2010 at 10:07 AM, Ganesh Narayanasamy
<nganesh76 at hotmail.com> wrote:
>
> This is a newbie with just a week long experience in using ITK. I would like
> to know about demons based registration (mainly the fast-symmetric type). I
> could run the "DeformableRegistration17.cxx" example code that uses
> symmetric demons for 2D images. Can I make it work for 3D by just changing
> line# 206 from
> const unsigned int Dimension = 2;
> into
> const unsigned int Dimension = 3;
>
> I tried it but it did not work with the test ultrasound 3D images.
>
> Is there any code available for the Symmetric or fast-symmetric demons for
> registering 3D image volumes ?
>
> Thank you,
> Ganesh
>
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