2D Fourier Transform, Introduction

Cuthbert Nyack
The Fourier transform can be applied to 2 dimensional signals, eg images. The equations describing the 2D fourier transform is shown below. THe variables u and v are not the only ones used but they simplify the equations. u and v are equivalent to reciprocal wavelength (wave-number/(2 pi)).

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COPYRIGHT 1999 Cuthbert A. Nyack.