[Insight-users] sigmoidImageFilter

Luis Ibanez luis.ibanez at kitware.com
Wed Jul 1 16:26:20 EDT 2009


Hi Jihan,

This is done because we are computing a Speed image.

The ideal speed image have Zero values in the borders
of the object that you are segmenting, and have 1.0
values inside the object, in order to facilitate the rapid
propagation of the LevelSet.


      Regards,


           Luis


-------------------------------------------------------------------------
On Wed, Jul 1, 2009 at 4:06 PM, Jihan Zoghbi <jihanzoghbi at gmail.com> wrote:

>
> Hi everybody,
>
> Anyone knows why in the  file GeodesicActiveContourImageFilter.cxx the
> values of the MIn and Max values are 0.0 and 1.0 respectively as follows?
> sigmoid->SetOutputMinimum(  0.0  );
> sigmoid->SetOutputMaximum(  1.0  );
> -
> Thanks
> Jihan Zoghbi
>
>
> _____________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the ITK FAQ at:
> http://www.itk.org/Wiki/ITK_FAQ
>
> Follow this link to subscribe/unsubscribe:
> http://www.itk.org/mailman/listinfo/insight-users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.itk.org/pipermail/insight-users/attachments/20090701/8d2775c6/attachment.htm>


More information about the Insight-users mailing list