数字水印图像的嵌入与提取，载体图像是256*256大小，水印图像是64*64.
资源文件列表
work/Arnold.m , 268
work/Arnold1.m , 268
work/embed.m , 1033
work/ex256.png , 28430
work/ex64.png , 145545
work/gaussion.jpg , 23599
work/guassion.jpg , 23560
work/image.bmp , 196664
work/intensity.m , 716
work/lena.jpg , 11433
work/main.m , 2794
work/marked.bmp , 66614
work/marked.mat , 471413
work/nc.m , 197
work/pick_up.m , 862
work/psnr.m , 194
work/shuiyin64.jpg , 4498
work/watermark.jpg , 2260
work/Wpick , 2250
work/Wpick.jpg , 2250
work/Wpick.mat , 3375