Application of Multimedia Watermarking Technology in the Field of Information Security

Abstract

This paper aims at comprehensively discussing the principle, methods, applications, challenges and future development of multimedia watermarking technology. In order to achieve this goal, this paper first introduces the basic concept and classification of multimedia watermarking technology, and then expounds in detail the core principles of spatial domain, frequency domain and mixed domain watermarking technology and the methods of watermark embedding and extraction. In terms of methods, this paper reveals their technical differences in robustness, invisibility and capacity through in-depth analysis of the characteristics of watermarking technology in different domains. In terms of application, the article shows the extensive application of multimedia watermarking technology in copyright protection, content authentication, covert communication and multimedia data integrity and authenticity verification through specific case analysis, highlighting its important value in the field of information security. Generally speaking, this paper systematically analyzes the principle, method and application of multimedia watermarking technology, which provides an important theoretical basis and practical guidance for further research and development in this field.