dualfilt1 {waveslim} | R Documentation |
dualfilt1()
These cofficients are rounded to 8 decimal places.
af |
List ($i = 1,2$) - analysis filters for tree $i$ |
sf |
List ($i = 1,2$) - synthesis filters for tree $i$ |
af[[2]]
is the reverse of af[[1]]
.
Matlab: S. Cai, K. Li and I. Selesnick; R port: B. Whitcher
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\ \tt http://taco.poly.edu/WaveletSoftware/