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WFILT_CMBAND - Generates M-Band cosine modulated wavelet filters

Usage

[h,g,a] = wfilt_cmband(M);

Input parameters

M Number of channels.

Description

[h,g,a]=wfilt_cmband(M) with \(M\in {2,3,\dots}\) returns smooth, 1-regular cosine modulated M-band wavelet filters according to the reference paper. The length of the filters is 4M.

Examples:

wfiltinfo('cmband3');

wfiltinfo('cmband4');

wfiltinfo('cmband5');

References:

R. Gopinath and C. Burrus. On cosine-modulated wavelet orthonormal bases. Image Processing, IEEE Transactions on, 4(2):162--176, Feb 1995. [ DOI ]