Re: Two-dimensional fft

[jeff millar]

If you mask the results of a  2d FFT and then ifft it, it creates an image
filter, such as blurring or edge enhancement.

Is that the kind of thing you asking?

jeff

----- Original Message -----
From: "Richard Morey" <address@hidden>
To: "octave-help" <address@hidden>
Sent: Thursday, December 12, 2002 11:28 PM
Subject: Two-dimensional fft


> How does one interpret the output from a two-dimensional fft? I
> understand the interpretation of the one-dimensional fft and fftshift,
> but how does one interpret the matrix of values from a two-dimensional
> fft?
>
> Thanks.
>
> Richard
>
> --
> Richard Morey
> Graduate Research Assistant, Cognition and Neuroscience
> University of Missouri-Columbia
>
>
>
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