Name
idualtree2D — Real 2D dualtree wavelet inverse transform
Calling Sequence
x0=idualtree2D(c,s,Fsf,sf)
Parameters
- c
-
: complex decomposition coefficient, real part for one tree and imainery part for another tree
- s
-
: decomposition size matrix
- Fsf
-
: first stage synthesis filter
- sf
-
: further stage synthesis filter
- x0
-
: reconstructed matrix
Description
idualtree2D is an utility function of inverse 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);
x0=idualtree2D(c,s,Fsf,sf);
Authors
Roger Liu and Isaac Zhi