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

See Also

FSfarras , dualfilt1 , dualtree , idualtree , idualtree2D , wavedec2