[Insight-users] simplest way to find the zero level set ( no evolution necessary)

[Bill Lorensen]

vtkMarchingCubes

On Tue, Jan 27, 2009 at 9:57 AM, quantumLeaf
<quantum.leaf at googlemail.com> wrote:
>
> ok...
>
> what class to use to find a single level set of an implicit function?
>
> Liam
>
>
>
>
> quantumLeaf wrote:
>>
>> Hi,
>>
>> I want to use ITK to find the zero level set of an implicit function.
>> I want to find a list of points about the zero contour so that i can
>> perform a numerical integration over it.
>> I've been reading the manual and looking at the level set methods in ITK.
>> These methods seem to be more complicated than i need since i dont wish to
>> evolve the embedding function in ITK.
>>
>> It trying to implement the method described in
>> 'A Variational Approach to the Evolution of Radial Basis Functions for
>> Image Segmentation'
>> http://www.cs.stevens.edu/~quynh/papers/Slabaugh_RBFevolution_CVPR07.pdf
>>
>> The function is a sum of RBFs. Once i can do the integration over the zero
>> contour of the current state of the field i can evolve the RBF parameters.
>>
>> How can i use ITK to get coordinates along the zero level set of my
>> function?
>>
>> if anyone reading can see some conceptual mis-understanding or problems in
>> my approach, please let me know.
>>
>> best regards,
>>
>> Liam
>>
>>
>>
>
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