www.gusucode.com > wavelet 源码程序 matlab案例代码 > wavelet/InverseDWTUsingOrthogonalWaveletExample.m
%% Inverse DWT Using Orthogonal Wavelet % Demonstrate perfect reconstruction using |dwt| and |idwt| with an % orthonormal wavelet. load noisdopp; [A,D] = dwt(noisdopp,'sym4'); x = idwt(A,D,'sym4'); max(abs(noisdopp-x))