Marco, The 2D Fourier transform is separable and you can apply Fourier transform to 2D data by performing a 1D row-wise operation followed by a 1D column-wise operation. You need to carefully organise your data and intermediate results. I hope this helps.
Regards, Philip On 09/30/2010 02:02 AM, [email protected] wrote: > Send Help-gsl mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.gnu.org/mailman/listinfo/help-gsl > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Help-gsl digest..." > > > Today's Topics: > > 1. 2D FFT (Marco Halder) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 29 Sep 2010 18:01:40 +0200 > From: Marco Halder <[email protected]> > Subject: [Help-gsl] 2D FFT > To: [email protected] > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Is it possible to perform a 2D FFT with GSL? I've got a 2D array of real > data,an Intensity profile of an Area Detector. I'd like to filter the > data, so convolution would be very helpful and there for I would need 2D > FFT. > > > > ------------------------------ > > _______________________________________________ > Help-gsl mailing list > [email protected] > http://lists.gnu.org/mailman/listinfo/help-gsl > > > End of Help-gsl Digest, Vol 83, Issue 15 > **************************************** >
<<attachment: ssyste10.vcf>>
_______________________________________________ Help-gsl mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-gsl
