[Insight-users] Question concerning level set term.

[Arnaud Gelas]

Hi,

Thanks for your remarks.

I'll try to update the documentation some time later this week; you could
also submit a patch to gerrit about the documentation...

http://www.itk.org/Wiki/ITK_Release_4/New_Code_Contribution_Process
http://www.itk.org/Wiki/ITK/Git/Develop#Workflow

Arnaud

On Sun, Apr 8, 2012 at 11:45 AM, tomtom <ms.rit at web.de> wrote:

> Upps, missed your post.
>
> So everything needed, concerning the level set function can be precomputed
> for each "requirred" position by:
>
> this->m_RequiredData.insert( "BackwardGradient" ); //forward gradient
> this->m_RequiredData.insert( "ForwardGradient" ); //backward gradient
> this->m_RequiredData.insert( "Value" ); //level set value
> this->m_RequiredData.insert( "MeanCurvature" ); //curvature value
> ...
>
> This is done prior to an evolution (iteration) step.
> ----------------------
>
> Concerning  the Initalize*() Methods:
>
> Initialize( const LevelSetInputIndexType& iP )  -  is called once, for each
> position of the initial "seed" level set function, before the evolution
> starts.
>
> InitializeParameters()  -  gets called once prior to the first iteration of
> the evolution?
> The itk source code says: "Initialize parameters in the terms prior to an
> iteration", which is a bit misleading.
> ----------------------
>
> Thanks for your advices. Really helpful.
>
>
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