資源簡介
WAV音頻的LSB信息隱藏,隱藏文件為二值圖像,Matlab編程
代碼片段和文件信息
function?dNC=nc(ImageAImageB)
%歸一化函數源代碼
if(size(ImageA1)~=size(ImageB1))or(size(ImageA3)~=size(ImageB2))
????error(‘ImageA<>ImageB‘);
????dNC=0;
????return;
end
ImageA=double(ImageA);
ImageB=double(ImageB);
M=size(ImageA1);
N=size(ImageB2);
d1=0;
d2=0;
d3=0;
for?i=1:M
????for?j=1:N
????????d1=d1+ImageA(ij)*ImageB(ij);
????????d2=d2+ImageA(ij)*ImageA(ij);
????????d3=d3+ImageB(ij)*ImageB(ij);
????end
end
dNC=d1/(sqrt(d2)*sqrt(d3));
return;
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????352844??2013-10-27?16:11??1.wav
?????文件??????691532??2013-10-27?18:31??2.wav
?????文件?????????758??2013-10-27?16:46??bupt.bmp
?????文件???????49478??2013-10-25?10:47??lena.bmp
?????文件??????691532??2013-10-27?18:39??marked.wav
?????文件????????6646??2013-10-27?19:33??markedbupt.bmp
?????文件?????????484??2013-10-27?19:16??nc.m
?????文件?????????147??2013-10-27?16:16??randextract.m
?????文件?????????432??2013-10-27?16:12??randhiding.m
?????文件?????????178??2013-10-25?11:15??Vector2Matrix.m
?????文件?????????591??2013-10-27?19:33??wavextract.m
?????文件?????????600??2013-10-27?18:32??wavhiding.m
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