Name

iswt2 — Two Dimensional Inverse Stationary Wavelet Transform

Calling Sequence

X0=iswt2(A,H,V,D,wname])
X0=iswt2(A,H,V,D,Lo_R,Hi_R)
X0=iswt2(SWC,wname])
X0=iswt2(SWC,Lo_R,Hi_R)

Parameters

A
: approximation coefficient
H
: horizontal detail coefficient
V
: vertical detail coefficient
D
: detail coefficient
SWC
: composite coefficient
wname
: wavelet name
X0
: reconstruced signal
Lo_R
: lowpass synthesis filter
Hi_R
: highpass synthesis filter

Description

iswt2 is two dimenstional discrete inverse stationary wavelet transform utility.

Examples

  x=rand(100,100);
  [A,H,V,D]=swt2(x,3,'db2');
  x0 = iswt2(A,H,V,D,'db2');
 

Authors

Roger Liu and Isaac Zhi

See Also

swt , iswt , swt2