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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

Roger Liu and Isaac Zhi

See Also


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