www.gusucode.com > wavelet 源码程序 matlab案例代码 > wavelet/InverseDWTUsingBiorthgonalWaveletExample.m

    %% Inverse DWT Using Biorthgonal Wavelet  
% Demonstrate perfect reconstruction using |dwt| and |idwt| with a biorthogonal
% wavelet.   
load noisdopp;
[Lo_D,Hi_D,Lo_R,Hi_R] = wfilters('bior3.5');
[A,D] = dwt(noisdopp,Lo_D,Hi_D);
x = idwt(A,D,Lo_R,Hi_R);
max(abs(noisdopp-x))