嵌入代码:
Picture=imread('yang.bmp'); %读入载体图像
Double_Picture=Picture;
Double_Picture=double(Double_Picture);
%将图像转换为二进制
wen.txt_id=fopen('wen.txt','r'); %读取秘密信息文件
[msg,len]=fread(wen.txt_id,'ubit1');
[m,n]=size(Double_Picture);
p=1; %p 为秘密信息的位计数器
for f2=1:n
for f1=1:m
Double_Picture(f1,f2)=Double_Picture(f1,f2)-mod(Double_Picture(f1,f2),2)+msg(p,1);
%将秘密信息按位隐藏入连续的像素中
if p