[h,g,a] = wfilt_ddenb(N);
[h,g,a]=wfilt_ddenb(N) with \(N \in {1,2}\) returns filters suitable for dual-tree double density complex wavelet transform tree A.
wfiltinfo('ddena1');
I. Selesnick. The double-density dual-tree DWT. Signal Processing, IEEE Transactions on, 52(5):1304--1314, May 2004. [ DOI ]