The study of digital watermarking system for the protection of multimedia courseware

With the rapid development of multimedia technology, digital watermarking technology has become an effective mean for the protection of multimedia courseware. The paper proposed an improved digital watermarking algorithm for the protection of multimedia courseware based on using MATLAB to study digital watermarking and used the algorithm and MATLAB, Visual C to achieve the digital watermarking system for the protection of multimedia courseware, introducing the function, using methods and test results of the system in detail. Analysis shows that the system can merge with the advantages of current watermarking system and can protect multimedia courseware and information security simultaneously, so the system has some practical value.