小波变换进行图像压缩matlab源代码/源程序

小波变换进行图像压缩matlab源代码/源程序:%removes all variables, globals, functions and
%MEX links(MATLAB loads and runs a different entry point symbol for C or Fortran MEX-files)
clear all;
% CLOSE ALL  closes all the open figure windows.
close all;
%read the image
input_image1=imread('rice.tif');
%display input image
%add noise
input_image=imnoise(input_image1,'speckle',.01);
figure;
imshow(input_image);
%give the number of decomposition level which must be integer and should not exceed 3
n=input('enter the decomposition level');