4. Wavelet frames
The continuous wavelet transform (3) , and the short-time Fourier transform (2) , are representations that are not "economical", in the sense that, starting from a one-dimensional signal, we arrive at a function of two real variables. These representations are said to be highly redundant. What's more, computer implementation of analysis and synthesis algorithms using these transformations requires signal sampling at some...
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Wavelet frames
Multidimensional wavelet bases
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