二維離散平穩小波分解swt2

clc,clear all,close all; load woman; [cA,cH,cV,cD]=swt2(X,2,'haar');%用haar小波基進行2尺度平穩小波分解 cA1=cA(:,:,1);cH1=cH(:,:,1);cV1=cV(:,:,1);cD1=cD ...