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WFILT_SYMDDEN - Symmetric Double-Density DWT filters (tight frame)

Usage

[h,g,a] = wfilt_symdden(K);

Description

[h,g,a]=wfilt_symdden(K) with \(K \in {1,2}\) returns oversampled symmetric double-density DWT filters. The redundancy of the basic filterbank is equal to 1.5.

Examples:

wfiltinfo('symdden1');

wfiltinfo('symdden2');

References:

I. Selesnick and A. Abdelnour. Symmetric wavelet tight frames with two generators. Appl. Comput. Harmon. Anal., 17(2):211--225, 2004.