Course 18.327 and 1.130
Wavelets and Filter Banks
Matlab wavelet toolbox.
Matlab Example 3
1. 1-D signal analysis
MATLAB M-file
2
1
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Wavelets & Filter Banks: Daubechies 9/7 Filters & Applications in Signal & Image Analysis, Slides of Banking and Finance
Information on course 18.327 and 1.130, which focuses on wavelets and filter banks using the matlab wavelet toolbox. Details on the zeros of h0 and f0 for the daubechies 9/7 pair, frequency responses of daubechies 9/7 filters, single and three-stage decompositions, and individually reconstructed branches. Additionally, it covers 2-d image analysis using matlab, including wavelet decomposition, single and two-stage decompositions, global hard thresholding, and variable hard thresholding.
Typology: Slides
2012/2013
1 / 10
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Course 18.327 and 1.
Wavelets and Filter Banks
Matlab wavelet toolbox.
Matlab Example 3
1. 1-D signal analysis
MATLAB M-file
Daubechies 9/7 pair: zeros of
H
and F
>> example Zeros of H0(z) ans =
2.0311 + 1.7390i 2.0311 - 1.7390i -1.0001 + 0.0001i -1.0001 - 0.0001i -0.9999 + 0.0001i -0.9999 - 0.0001i 0.2841 + 0.2432i 0.2841 - 0.2432i
Zeros of F0(z) ans =
3. -1.0010 + 0.0010i -1.0010 - 0.0010i -0.9990 + 0.0010i -0.9990 - 0.0010i 0.