The Research Developments and Applications of Multimedia Watermarking

The advent of internet and the wide availability of computers, scanners and printers make digital data acquisition, exchange and transmission a simple task. Digital watermarking techniques have been proposed as a solution to the problem of copyright protection of multimedia documents. This paper presents the fundamental demands and general watermarking framework, reviews rarious digital watermarking schemes and attacks, discusses the applications of these schemes and, proposes the development directions of digital watermarking techniques.