[Insight-users] Filter, vector and FFT

[Luis Ibanez]

Hi Emiliano,

There is an ongoing effort for implementing a FFT
into ITK. You will find information about this
effort in our project management site:

http://caddlab.rad.unc.edu/itkProjects/indexproject.php?id=24

This is being implemented by a group at the
University of Iowa.


Regards,


Luis


------------------------------------------------
Emiliano Beronich wrote:
> Hello everybody,
> 
> I need to apply a FFT on a N-vector (it could be a N-vector or it could 
> work on the rows of an image). After that I want to perform frequency 
> filtering. I would like to build an ITK filter. My questions are:
> 
> 1) Which class should I choose to derive my own filter from?
> 
> 2) What class should I choose to support my data? is it right ITKImage?
> 
> 3) How can I perform a 1D-FFT on an ITKImage row? It can be done with a 
> vnl_vector but I don't know how to do it on a ITKImage. It could be done 
> filling by hand my own vnl_vector from the ITKImage and then to do the 
> FFT, but I'm wondering if there is a more direct (efficient) way to do it.
> 
> thanks for any help.
> 
> Regards,
> -Emiliano Beronich
> 
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