信息隐藏与提取
..............\DCT域隐藏


..............\.........\hide.asv

..............\.........\inhide.asv
..............\.........\myhide.asv
..............\.........\myhide.m
..............\.........\myinhide.asv
..............\.........\myinhide.m
..............\.........\readme.txt
..............\.........\signal.bmp