clear;
clc;
close?all;
Im=imread（‘2_lena_corrupt.bmp‘）;
Im_f=fft2（Im）;
Im_fc=fftshift（Im_f）
imshow（log（abs（Im_fc））[]）;
title（‘原始圖像頻譜‘）;
%?Im_double=im2double（Im）*255;
%?h=fspecial（‘gaussian‘10100）;
%?filter1=imfilter（Im_doubleh）;
%?figure;
%?imshow（filter1[]）;
%?filterU=uint8（filter1）;%%轉(zhuǎn)化為uint8類(lèi)型才能直方圖均衡。
%?filter_eq=histeq（filterU）;%%
%?figure;
%?imshow（filter_eq[]）;

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件?????263224??2005-03-25?16:18??去除噪聲\2_lena_corrupt.bmp

?????文件????????411??2011-04-10?15:37??去除噪聲\test1_pz.m

?????目錄??????????0??2011-04-10?16:03??去除噪聲

-----------?---------??----------?-----??----

???????????????263635????????????????????3