[Insight-users] 3D Rois Selection

[Luis Ibanez]

Hi Josiane

You could:


1)  Use Region Growing filters in order to get a binary
     segmentation of objects in your image.


2)  Use the BinaryMask3DMeshSource filter to extract the
     boundaries of the binary masks
http://www.itk.org/Insight/Doxygen/html/classitk_1_1BinaryMask3DMeshSource.html


3)  Use then the IterativeClosestPoint algorithm examples
     in Insight/Examples/Patented
     in order to register the selected Meshes.


Note that in this case, you don't need to explicitly
extract the points out of the Meshes, since the itkMesh
derives from the itkPointSet and the ICP registration is
done by using itkPointSets as input.


   Regards,


      Luis


--------------------------------------
Yankam Njiwa Josiane Adrienne wrote:
> Dear all,
>  
> I would like to select 3D ROIS and then keep only the contours coordinates of these ROIS to use the iteratiClosestPointSet Registration. Could somebody have an idea of how to extract these ROIS and most of all have 3D point coordinates?
> Thanks al lot,
>  
> Josiane.
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