Wavelet transform
Mathematical technique used in data compression and analysis / From Wikipedia, the free encyclopedia
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In mathematics, a wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series generated by a wavelet. This article provides a formal, mathematical definition of an orthonormal wavelet and of the integral wavelet transform.[1][2][3][4][5]
For broader coverage of this topic, see Wavelet.