clc
clear
I=imread（‘C:\Users\Administrator\Desktop\matlab代碼\image\5.jpg‘）;?%讀原圖
thresh=graythresh（I）;
I1=rgb2gray（I）;%轉化為灰度圖像
I2=imnoise（I1‘salt?&?pepper‘0.1）;?????????%加均值為0，方差為0.02的椒鹽噪聲
I3=imnoise（I1‘gaussian‘00.1）;?
I4=imnoise（I1‘speckle‘0.1）;
%?subplot（241）imshow（I）;
%?title（‘原圖像‘）;
subplot（241）imshow（I1）;
title（‘原圖像‘）;
subplot（242）imshow（I2）;??????????????????%顯示被噪聲污染圖像
title（‘加入椒鹽噪聲‘）;???????
subplot（243）imshow（I3）;??????????????????
title（‘加入高斯噪聲‘）;
subplot（244）imshow（I4）;?????????????????
title（‘加入乘性噪聲‘）;
subplot（245）imhist（I1）;??????????????????%灰度直方圖
title（‘灰度圖像‘）;
subplot（246）imhist（I2）;?????????????????
title（‘椒鹽噪聲直方圖‘）;???????
subplot（247）imhist（I3）;??????????????????
title（‘高斯噪聲直方圖‘）;
subplot（248）imhist（I4）;???????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????32534??2017-05-04?15:58??image\5.jpg
?????文件?????????937??2017-05-05?16:38??源代碼\add_zaosheng.m
?????文件????????1218??2017-05-05?17:07??源代碼\qu_cheng_xing.m
?????文件????????1221??2017-05-06?12:03??源代碼\qu_gao_si.m
?????文件????????1234??2017-05-05?17:07??源代碼\qu_jiao_yan.m
?????文件????????4008??2017-05-06?12:22??源代碼\ssim.m
?????文件?????1517056??2018-01-19?14:39??實驗報告.doc