%%?Anti-Rotation?Plus
%?Kyoshiyou?2012-05-28
clc;?clear?all;?close?all;
%%?Load?Image
I?=?im2double（?imread（‘Lena.BMP‘）?）;?[?M?N?]?=?size（?I?）;
%%?Load?Watermark
w?=?im2double（?imread（‘W.bmp‘）?）;?[?Mw?Nw?]?=?size（?w?）;
w=w（::1）;
%%?Start?Time?1
start_time1?=?cputime;
%%?embed?Watermark
%%R1?=?I（::1）;
%%G1?=?I（::2）;
%%B1?=?I（::3）;
k?=?0.5;
[?CA_2?H_2?V_2?D_2?]?=?dwt2（?I?‘haar‘?）;
[?CA?H?V?D?]?=?dwt2（?CA_2?‘haar‘?）;
[?Uw?Sw?Vw]?=?svd（?w?）;
[?Uc?Sc?Vc]?=?svd（?CA?）;
Sc1?=?Sc?+?k?*?Sw;
Ccw?=?Uc?*?Sc1?*?Vc‘;
Ccw_1?=?idwt2（?Ccw?H?V?D?‘haar‘?）;
I_w?=?idwt2（?Ccw_1?H_2?V_2?D_2?‘haar‘?）;
%%I_w?=?cat（?3?R_w?G1?B1）;
%%?End?Time?1
elapsed_time1?=?cputime?-?start_time1;
ksy=0;
%%?Attack?Tpye
disp（‘攻擊類型：1.旋轉(zhuǎn)攻擊　?2.JP2壓縮　　?3.JPEG壓縮　?4.均值濾波‘）;
disp（‘　　　　　5.圓形均值　?6.高斯低通　　7.移動(dòng)模糊　?8.對(duì)比增強(qiáng)‘）;
disp（‘　　　　　9.中值濾波　?10.直方圖均衡?11.對(duì)比度UP　12.高斯噪聲‘）;
disp（‘　　　　　13.椒鹽噪聲　14.斑紋噪聲　?15.泊松噪聲　16.縮放攻擊‘）;
attack?=?input（‘請(qǐng)輸入攻擊類型：‘）;
switch?attack
????case?1?????%?旋轉(zhuǎn)攻擊
????????angle?=?input（‘請(qǐng)輸入旋轉(zhuǎn)角度：‘）;
????????if?angle?>?0
????????????I_wa?=?imrotate（?I_w?angle?‘crop‘?‘nearest‘?）;
????????????name?=?strcat（?‘圖像旋轉(zhuǎn)‘?num2str（angle）?‘°_‘?‘.BMP‘）;
????????????imwrite（?I_wa?name?‘BMP‘?）;
????????????type?=?‘圖像旋轉(zhuǎn)‘;
????????????flag?=?1;?ksy?=?1;
????????else
????????????disp（‘旋轉(zhuǎn)失敗‘）;
????????????I_wa?=?I_w;
????????????type?=?‘旋轉(zhuǎn)失敗‘;
????????????flag?=?0;????????????
????????end
????case?2?????%?JP2壓縮
????????cr?=?input（‘請(qǐng)輸入壓縮比例（0-100）：‘）;
????????if?cr?>?0?&&?cr?<=?100
????????????name?=?strcat（?‘JP2壓縮‘?num2str（cr）?‘%_‘?‘.BMP‘）;
????????????imwrite（?I_w?name?‘JP2‘?‘CompressionRatio‘?cr?）;
????????????I_wa?=?im2double（?imread（?name?）?）;
????????????type?=?‘JP2壓縮‘;
????????????flag?=?1;
????????else
????????????disp（‘壓縮失敗‘）;
????????????I_wa?=?I_w;
????????????type?=?‘壓縮失敗‘;
????????????flag?=?0;
????????end
????case?3?????%?JPEG壓縮
????????q?=?input（‘請(qǐng)輸入質(zhì)量因子（0-100）：‘）;
????????if?q?>?0?&&?q?<=?100
????????????name?=?strcat（?‘JPEG壓縮‘?num2str（q）?‘_‘?‘.BMP‘）;
????????????imwrite（?I_w?name?‘JPG‘?‘quality‘?q?）;
????????????I_wa?=?im2double（?imread（?name?）?）;
????????????type?=?‘JPEG壓縮‘;
????????????flag?=?1;
????????else
????????????disp（‘壓縮失敗‘）;
????????????I_wa?=?I_w;
????????????type?=?‘壓縮失敗‘;
????????????flag?=?0;
????????end
????case?4?????%?均值濾波
????????h?=?fspecial（?‘a(chǎn)verage‘?3?）;
????????I_wa?=?filter2（?h?I_w?）;
????????imwrite（?I_wa?‘均值濾波_.BMP‘?‘BMP‘?）;
????????type?=?‘均值濾波‘;
????????flag?=?1;
????case?5?????%?圓形均值
????????h?=?fspecial（?‘disk‘?3?）;
????????I_wa?=?filter2（?h?I_w?）;
????????imwrite（?I_wa?‘圓形均值_.BMP‘?‘BMP‘?）;
????????type?=?‘圓形均值‘;
????????flag?=?1;
????case?6?????%?高斯低通
????????h?=?fspecial（?‘gaussian‘?3?0.5?）;
????????I_wa?=?filter2（?h?I_w?）;
????????imwrite（?I_wa?‘高斯低通_.BMP‘?‘BMP‘?）;
????????type?=?‘高斯低通‘;
????????flag?=?1;
????case?7?????%?移動(dòng)模糊
????????h?=?fspecial（?‘motion‘?9?0?）;
????????I_wa?=?filter2（?

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

?????文件???????9168??2018-03-17?09:58??DWTattack.m

?????文件??????66614??1996-10-24?16:44??Lena.bmp

?????文件??????12342??2018-02-03?15:15??w.bmp

?????文件??????14926??2018-03-17?10:19??程序運(yùn)行說(shuō)明.docx

?????文件???????9169??2018-03-17?09:41??DWT_SVD_attack.m

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

???????????????112219????????????????????5