%?------------------------------------中值濾波--------------------------------------------------------------------
clc;
clear;
close?all;
img=rgb2gray（imread（‘lena.bmp‘））;
x1=imnoise（img‘gaussian‘00.02）;%高斯噪聲??????
x2=imnoise（img‘salt?&?pepper‘0.02）;%椒鹽噪聲???
%?x3?=?imnoise（img‘speckle‘）;%乘性噪聲?????????????
%?x4=imnoise（img‘poisson‘）;%泊松噪聲?????

%?高斯噪聲
figure（1）;

???????????????????????????subplot（231）;????imshow（img）;??xlabel（‘a）‘‘Fontsize‘32）;%原始圖像
???????????????????????????subplot（232）;????imshow（x1）;???xlabel（‘b）‘‘Fontsize‘32）;?%加噪聲
?????????????????????????
???????????????????????????title（‘中值濾波?-?高斯噪聲‘‘Fontsize‘32）;
?????????????????????????
k1=medfilt2（x1[3?3]）;?????subplot（233）;????imshow（k1）;???xlabel（‘c）‘‘Fontsize‘32）;%?3?X?3?濾波后
k2=medfilt2（x1[7?7]）;?????subplot（234）;????imshow（k2）;???xlabel（‘d）‘‘Fontsize‘32）;%?7?X?7?濾波后
k3=medfilt2（x1[11?11]）;???subplot（235）;????imshow（k3）;???xlabel（‘e）‘‘Fontsize‘32）;%?11?X?11?濾波后
k4=medfilt2（x1[15?15]）;???subplot（236）;????imshow（k4）;???xlabel（‘f）‘‘Fontsize‘32）;%?15?X?15?濾波后

%椒鹽噪聲
figure（2）;

???????????????????????????subplot（231）;???imshow（img）;??xlabel（‘a）‘‘Fontsize‘32）;%原始圖像
???????????????????????????subplot（232）;???imshow（x2）;???xlabel（‘b）‘‘Fontsize‘32）;?%加噪聲
?????????????????????????
???????????????????????????title（‘中值濾波?-?椒鹽噪聲‘‘Fontsize‘32）;
?????????????????????????
k1=medfilt2（x2[3?3]）;?????subplot（233）;???imshow（k1）;???xlabel（‘c）‘‘Fontsize‘32）;%?3?X?3?濾波后
k2=medfilt2（x2[7?7]）;?????subplot（234）;???imshow（k2）;???xlabel（‘d）‘‘Fontsize‘32）;%?7?X?7?濾波后
k3=medfilt2（x2[11?11]）;???subplot（235）;???imshow（k3）;???xlabel（‘e）‘‘Fontsize‘32）;%?11?X?11?濾波后
k4=medfilt2（x2[15?15]）;???subplot（236）;???imshow（k4）;???xlabel（‘f）‘‘Fontsize‘32）;%?15?X?15?濾波后

%?------------------------------------end-------------------------------------------------------------------

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????1048630??2012-06-26?13:13??3種模糊圖像去噪：中值、維納和全變分\lena.bmp

?????文件???????2513??2012-06-26?14:01??3種模糊圖像去噪：中值、維納和全變分\medianfilter_denoise.asv

?????文件???????1988??2012-06-26?14:06??3種模糊圖像去噪：中值、維納和全變分\medianfilter_denoise.m

?????文件???????1606??2012-06-26?14:08??3種模糊圖像去噪：中值、維納和全變分\tv.m

?????文件???????1746??2012-06-26?14:07??3種模糊圖像去噪：中值、維納和全變分\tv_denoise.m

?????文件???????1990??2012-06-26?14:07??3種模糊圖像去噪：中值、維納和全變分\Weinerfilter_denoise.m

?????文件??????44269??2012-06-04?14:35??3種模糊圖像去噪：中值、維納和全變分\個人作業.jpg

?????文件????3173056??2012-06-26?18:04??3種模糊圖像去噪：中值、維納和全變分\模糊圖像去噪技術的研究與實現.doc

?????文件????????179??2012-06-26?18:09??3種模糊圖像去噪：中值、維納和全變分\說明.txt

?????目錄??????????0??2012-06-26?18:10??3種模糊圖像去噪：中值、維納和全變分

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

??????????????4275977????????????????????10