Changyin Liang

Learn More
Recently, among various data hiding techniques, a new subset called lossless data hiding has drawn tremendous interests. By lossless data hiding, it is meant that the marked media can be reversed to the original cover media without any distortion after the hidden data are retrieved. After a careful study of all lossless data hiding algorithms published up(More)
To solve the problems of MDF incoming power disturbance and the redundancy of management personnel in communication computer rooms, the author designed an incoming power disturbance alarm system applied to the computer rooms where nobody is on duty. The system adopts a tertiary host/slave structure of the monitoring center, monitoring unit and alarm(More)
  • 1