[h,g,a] = wfiltdt_oddeven(N);
[h,g,a]=wfilt_oddeven(N) with \(N \in {1}\) returns the original odd and even symmetric filters suitable for dual-tree complex wavelet transform. The filters in individual trees are biorthogonal.
wfiltdtinfo('ana:oddeven1');
N. Kingsbury. Complex wavelets for shift invariant analysis and filtering of signals. Applied and Computational Harmonic Analysis, 10(3):234 -- 253, 2001. [ DOI ]