[Insight-users] input for levelset segmentation algorithms

[Kai Li]

Hi,
  I'm considering to use one of the Levelset segmentation algorithms, say
ShapeDetectionLevelSetImageFilter. As the documentation of ITK says,  one
of the inputs for algorithm is the initial level set: "The initial level
set is a real image which contains the initial contour/surface as the zero
level set. For example, a signed distance function from the initial
contour/surface is typically used..." My question is how to convert a
binary image, which is generated by a preprocessing method, to the
such initial level set in ITK.

Any help is highly appreciated!

Kai