[Insight-users] How to apply a filter to EVERY slice of an image?

Richard Beare richard.beare at gmail.com
Thu Feb 1 17:39:26 EST 2007


Gaetan recently submitted a sliceBySlice filter  to the Insight
Journal - http://www.insight-journal.org/InsightJournalManager/view_publication.php?back=search.php%3Ftexte%3Dslice&pubid=133

This will apply a filter to each slice of an image and reconstruct the
3D output.

On 2/2/07, Karthik Krishnan <karthik.krishnan at kitware.com> wrote:
> No this is not possible in ITK. Filters in ITK are designed to treat N
> dimensional images as N dimensional images, and not as series of N-1
> dimensional images.
>
> You might want to either revisit your algorithm to see if what you're doing
> is really appropriate and if so, use the ExtractImageFilter to create a
> series of N-1 dimensional images, filter each image and use the
> JoinImageFilter to compose them back.
>
> You could write a composite ITK filter that hides these complexities away
> within itself too.
>
> HTH
> --
> karthik
>
>
> On 2/1/07, Ali - < saveez at hotmail.com> wrote:
> >
> >
> >
> > Searching the archive, this question has been asked many times
> > during the past years -- and no answer.
> >
> > How is it possile to apply a filter ro EVERY slice of an image? I am
> > not talking about ExtractImageFilter wich give only one slice. This
> > should be an quivalent of f(a(:,1)) in matlab where filter f() is applied
> > to the first column of image a.
> >
> > If itk cannot do this, how is it possible to do it in vnl interfaced to
> itk?
> >
> >
> > Can someone answer this question finally? Luis! Where are you!
> >
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