[Insight-users] itk::ChangeLabelImageFilter

[Gaetan Lehmann]

On Thu, 08 Jun 2006 13:16:31 +0200, Henning Meyer <tutmann at gmail.com>  
wrote:

> Hi,
>
> Gaetan:
>> http://voxel.jouy.inra.fr/darcs/contrib-itk/watershed/iwsm.cxx
> Is that the way the filter is meant to be used?

It is one of the ways - and this one work.
Perhaps have you found a bug for the other way ?

> Why should you iterate over the image yourself?
> So each label is replaced by the last value of reader2 in this labeled  
> region?

It is to implement a watershed from markers with the filters available in  
ITK, so we can compare it with a real watershed from markers. I hope we  
will publish the article to the insight journal soon

>
> I first analyse the image via LabelStatisticsImageFilter and want to
> most label be set to background (zero). Only labels with certain
> properties should be kept.
>

It looks like a binary opening by attribute - it would be nice if there  
could be one in ITK :-)

Gaetan



-- 
Gaëtan Lehmann
Biologie du Développement et de la Reproduction
INRA de Jouy-en-Josas (France)
tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
http://voxel.jouy.inra.fr