Data Processing
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Lecture 18 - Fourier and Wavelet Transformations
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Overview
Graphics
Fourier Transformations
Discrete Fourier Transforms
DFT
Used for discretised signals
Ergo, digital signals
Fast Fourier Transforms
FFT
Efficient implementation of the DFT
Does the same thing quicker
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Maintained by Dr Michael J. Watts (
mike.watts.net.nz
).