<< dualfilt1 discrete_wavelet_analysis dualtree2D >>

swt >> discrete_wavelet_analysis > dualtree

dualtree

1D dualtree complex wavelet transform

Calling Sequence

[c,l]=dualtree(x,J,Faf,af)

Parameters

x :

input vector

J :

decomposition level

Faf:

first stage analysis filter

af :

further stage analysis filter

c :

complex decomposition coefficient, real part for one tree and imainery part for another tree

l :

coefficient length array

Description

dualtree is an utility function for 1D dualtree complex wavelet transform. Refer to Professor Ivan Selesnick's webpage at Brooklyn Polytech, NY.

Examples

[Faf,Fsf]=FSfarras('f');
[af,sf]=dualfilt1('f');
x=rand(1,256);
[c,l]=dualtree(x,3,Faf,af);

Authors

See also


Report an issue
<< dualfilt1 discrete_wavelet_analysis dualtree2D >>