Name
dualtree2D — Real 2D dualtree wavelet transform
Calling Sequence
[c,s]=dualtree2D(x,J,Faf,af)
Parameters
- x
-
: input matrix
- 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
- s
-
: coefficient size matrix
Description
dualtree2D is an utility function of real 2D dualtree wavelet transform. Refer to Professor Ivan Selesnick's webpage at Brooklyn Polytech, NY.
Examples
[Faf,Fsf]=FSfarras('f');
[af,sf]=dualfilt1('f');
x=rand(256,256);
[c,s]=dualtree2D(x,3,Faf,af);
Authors
Roger Liu and Isaac Zhi