dualfilt1: Kingsbury's Q-filters for the Dual-Tree Complex DWT
Description
Kingsbury's Q-filters for the dual-tree complex DWT.
Usage
dualfilt1()
Arguments
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
Matlab: S. Cai, K. Li and I. Selesnick; R port: B. Whitcher
Details
These cofficients are rounded to 8 decimal places.
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).