单尺度二维离散小波重构（逆变换）idwt2

clc,clear all,close all; load woman; %单尺度二维离散小波分解。分解小波函数haar [cA,cH,cV,cD]=dwt2(X,'haar'); %单尺度二维离散小波重构(逆变换) Y=idwt2(cA,cH,cV,cD,'haar'); figure ...