An algorithm for converting an image so that it is represented in terms of the magnitude and phase of the various frequencies that make up the image. Yes, there is a regular Fourier transform, but nobody uses it because it is not … fast.
An algorithm for converting an image so that it is represented in terms of the magnitude and phase of the various frequencies that make up the image. Yes, there is a regular Fourier transform, but nobody uses it because it is not … fast.