File list (Check if you may need any files):
watermark_2007012109\image\lena.bmp
....................\Readme.txt
....................\source\find_diff.m
....................\......\find_diff_advanced.m
....................\......\find_diff_feature.m
....................\......\key.mat
....................\......\psnr.m
....................\......\rand_watermarked.m
....................\......\rand_watermarked_advanced.m
....................\......\watermarked_feature.m
....................\脆弱水印实验报告.pdf
....................\image
....................\source
watermark_2007012109