Name
cplxdual2D — Complex 2D dualtree wavelet transform
Calling Sequence
[c1,c2,s]=cplxdual2D(x,J,Faf,af)
Parameters
- x
-
: input matrix
- J
-
: decomposition level
- Faf
-
: first stage analysis filter
- af
-
: further stage analysis filter
- c1
-
: complex decomposition coefficient, real part for one tree and imainery part for another tree
- c2
-
: complex decomposition coefficient, real part for one tree and imainery part for another tree
- s
-
: coefficient size matrix
Description
cplxdual2D is an utility function of complex 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);
[c1,c2,s]=cplxdual2D(x,3,Faf,af);
Authors
Roger Liu and Isaac Zhi