R: Farras nearly symmetric filters

Farras {waveslim} | R Documentation

## Farras nearly symmetric filters

### Description

Farras nearly symmetric filters for orthogonal 2-channel perfect reconstruction filter bank and Farras filters organized for the dual-tree complex DWT.

### Usage

    farras()
    FSfarras()

### Arguments

None.

### Value

`af` | List (i=1,2) - analysis filters for tree i
`sf` | List (i=1,2) - synthesis filters for tree i

### Author(s)

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

### References

A. F. Abdelnour and I. W. Selesnick. “Nearly symmetric orthogonal wavelet bases”, Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP), May 2001.

### See Also

`afb`, `dualtree`, `dualfilt1`.

[Package waveslim version 1.8.3 Index]