小波变换的图像处理%MATLAB2维小波变换经典程序%FWT_DB.M;%此示意程序用DWT实现二维小波变换%编程时间2004-4-10，编程人沙威%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%clear;clc;T=256;%图像维数SUB_T=T/2;%子图维数%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%1.调原始图像矩阵loadwbarb;%下载图像f=X;%原始图像%%%%%%%%%%%%