[SciPy-user] shift FFT2D...

[Stefan van der Walt]

On Wed, May 09, 2007 at 04:40:36PM +0200, fred wrote:
> I use an FFT 2D on a matrix to compute a convolution like this:
> 
> a = fft2(input_data)
> b = fft2(output_data)
> c = real(ifft2(a*b))

Also take a look at scipy.signal.fftconvolve.

Cheers
Stéfan