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overview
 Introduction to Fourier Transforms For Image Processing
The Fourier Transform ( in this case, the 2D Fourier Transform ) is the series expansion of an image function ( over the 2D space domain ) in terms of 'cosine' image (orthonormal) basis functions.
preview:
http://www.cs.unm.edu/~brayer/vision/fourier.html
10/10/2003
Tags: fft
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