[Insight-users] 2 questions about Level Sets in ITK: triangulating isosurface and how to tune ShapeDetectionLevelSetSegmentation

[Bill Lorensen]

The vtk marching cubes implementation does produce a watertight model.

Bill



On Fri, Jun 7, 2013 at 4:13 PM, Audette, Michel A. <maudette at odu.edu> wrote:

>  Dear ITK users,
>
>  I have two questions on Level Sets in ITK.
>
>  Is there a Level Sets model that is triangulated, i.e.: produces a
> watertight polygonalization of the zero-level isosurface? Is there a way to
> produce this watertight triangulation? I know that VTK has Marching Cubes,
> but I have misgivings about this method producing a watertight result.
>
>  Second, I would like to use an example with phantom images that are
> narrow structures, similar to the Circle of Willis, but in 2D, and I would
> like to have a recommendation for working example code that I can use with
> this. I have tried ShapeDetectionLevelSetSegmentation, but I find this
> example produces a constant speed term, as opposed to a speed term that
> halts the model on high-gradient areas of the image.
>
>  Please advise.
>
>  Thanks for your kind consideration.
>
>  Michel
>
> Michel Audette, Ph.D.
> Assistant Professor,
> Department of Modeling, Simulation and Visualization Engineering,
> Old Dominion University,
> Norfolk, VA.
>
>
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