00648086_西鹏_数字水印 ......................\MATLAB大作业报告 00648086 西鹏.doc ......................\m文件 ......................\.....\JPEGattack.m ......................\.....\jyattack.m ......................\.....\lbattack.m ......................\.....\psnr.m ......................\.....\simfunction.m ......................\.....\water.m