In recent years,with the development of digital technology and network technology, as a new information security technology,digital watermarking has become a research hot topic at home and abroad and has a broad apphcation prospect. This paper briefly introduces the concept, characteristic of digital watermarking ,then enumerates several typical algorithm,at last, a prospect of digital watermarking is given.
digital watermarking spatial algorithm transform domain algorithm development prospect
NETL
NSTL
万方数据
维普
