Research on the Relevant Methods and Technologies of Digital Watermarking

Abstract

With the diversification of recording equipment and the rapid development of Internet technology, it is easier to steal and spread movies, which makes the copyright protection of movies face great challenges. The technology of tracing the origin of movie piracy in cinemas provides strong technical support for film digital copyright protection by extracting the watermark information hidden in the film carrier, tracking and locating the playback server where the piracy flows out and the theater where the piracy occurs. In addition, the emergence of digital technology has led to the rapid spread and growth of electronic resources, such as photos, music and movies. It is convenient to access online information, but it also poses a challenge to the technical protection of intellectual property. Image watermarking, including watermark embedding and extraction, is a typical technology of copyright protection and ownership identification. In addition, because many software (such as modern browsers and video players) can easily display all these contents, adding image watermarks on the screen and avoiding information leakage in screenshots or screen recording has become an important application scenario of image watermarking. In this paper, we propose and discuss digital watermarking pipeline with some.