dualfilt1 {waveslim}

Kingsbury's Q-filters for the Dual-Tree Complex DWT

Description

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

Usage

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]].

Author(s)

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

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).

See Also

dualtree