[Insight-users] looking for Watershed Boundary example

[Joshua Cates]

Hi,

The watershed::Boundary and BoundaryResolver are actually only used to
resolve global connectivities from local computations during streaming
applications.  So the meaning of "boundary" in this case is different from
what you need.  I don't know of any quick way to generate outlines of the
labeled regions in ITK.  The Examples/Segmentation/WatershedSegmentation1
may give you some other ideas for visualization.  To generate outlines,
you may need to write your own code, but it shouldn't be difficult. Keep 
in mind, however, that boundaries are actually between pixels.

Josh.

______________________________
 Josh Cates			
 School of Computer Science	
 University of Utah
 Email: cates at sci . utah . edu
 Phone: (801) 587-7697
 URL:   http://www . sci . utah . edu/~cates


On Mon, 2 Jun 2003, SERIOT Rémi        DEC/SPUA/LTEC wrote:

> Hello everybody
> 
> I'm developing an example in order to segmentate an image with the watershed
> algorithm. I already write the code for create a labeled image, with
> itk::watershed::WatershedSegmenter, itk::watershed::SegmentTreeGenerator and
> itk::watershed::Relabeler with the value of flood level. 
> But now I would like to draw the boundary of each segmented regions, I try
> to use itk::watershed::Boundary and BoundaryResolver but I can't find any
> good example.
> 
> I'm a novice in itk so any suggestions or any example of watershed::Boundary
> and BoundaryResolver will be appreciate
> 
> Thanks for your help!
> 
> Rémi
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