Kingsbury's Q-filters for the dual-tree complex DWT.

dualfilt1()

Details

These cofficients are rounded to 8 decimal places.

Value

af

List (\(i=1,2\)) - analysis filters for tree \(i\)

sf

List (\(i=1,2\)) - synthesis filters for tree \(i\)

Note: af[[2]] is the reverse of af[[1]].

References

Kingsbury, N.G. (2000). A dual-tree complex wavelet transform with improved orthogonality and symmetry properties, Proceedings of the IEEE Int. Conf. on Image Proc. (ICIP).

WAVELET SOFTWARE AT POLYTECHNIC UNIVERSITY, BROOKLYN, NY
http://taco.poly.edu/WaveletSoftware/

See also

Author

Matlab: S. Cai, K. Li and I. Selesnick; R port: B. Whitcher