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Chun-Lin, Liu February 23, 2010 - Duke University
the fast wavelet transform. With the appearance of this fast algorithm, the wavelet transform had numerous applications in the signal processing eld. Summarize the history. We have the following table: 1910, Haar families. 1981, Morlet, wavelet concept. 1984, Morlet and Grossman, "wavelet". 1985, Meyer, "orthogonal wavelet"....
wavelet-transform · GitHub Topics · GitHub
A Discrete Fourier Transform (DFT), a Fast Wavelet Transform (FWT), and a Wavelet Packet Transform (WPT) algorithm in 1-D, 2-D, and 3-D using normalized orthogonal (orthonormal) Haar, Coiflet, Daubechie, Legendre and normalized biorthognal wavelets in Java.
VLSI Implementation of Mallat’s Fast Discrete W avelet ...
plays the similarly important role in wavelet transform as FFT has been in Fourier Transform. Mallat's algorithm is basically a collection of cascaded FIR filtering operations by a pair of mirror filters and down-sampling procedure in each scale. The problem is stated briefly as follows. Given a signal {x(n )}, we are expected to generate a set ......
The Fast Wavelet Transform (FWT)
wavelet transform (FWT), based on the wavelets of Daubechies, is given. A contrast is made between the continuous wavelet transform and the discrete wavelet transform that provides the fundamental structure for the fast wavelet transform algorithm. The wavelets considered here lead to orthonormal bases. To realize...
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