information-hiding

  采用MATLAB实现图像信息隐藏。将文本信息，通过DCT和LSB算法嵌入到二维图像中实现信息隐藏。(hide information into voice signal with the methods of DCT and LSB)

信息隐藏实验
............\DCT隐藏
............\.......\1.txt,40,2009-11-10
............\.......\2.text,47,2010-11-25

............\.......\DCT隐藏信息前后图像对比.fig,1901878,2009-11-10
............\.......\extractdctadv.asv,956,2009-11-09
............\.......\extractdctadv.m,982,2009-11-10
............\.......\hidedctadv.asv,1942,2009-11-10
............\.......\hidedctadv.m,1940,2009-11-10

............\.......\randinterval.m,983,2009-11-10
............\info

............\....\lenna.m,2869,2011-03-11
............\LSB隐藏
............\.......\compare.m,450,2009-11-10


............\.......\lsbget.m,901,2009-11-10
............\.......\lsbhide.asv,1216,2009-11-10
............\.......\lsbhide.m,1209,2011-02-25
............\.......\LSB信息隐藏前后图像对比.fig,450972,2009-11-10
............\.......\LSB空域信息隐秘位置.fig,13308,2009-11-10
............\.......\message.txt,40,2011-02-25
............\.......\secret.txt,80,2011-02-25