Recent Digital Watermarking Approaches, Protecting Multimedia Data Ownership

Abstract

As the internet networks are proliferating and diversifying across the globe, the accessibility of digital multimedia contents such as images, audios and videos become more frequent. Digital watermarking approaches ensure data authentication, ownership protection and security of digital data. This paper includes of assorted techniques of embedding and extracting watermarks, applied in time-domain/spatial-domain and transform-domain of transmission signal. It imbibes all the ideas of digital watermarking. It starts with the overview, classification, application, possible attacks, limitations, performance analysis and comparative study among various watermarking techniques. Genetic Algorithm approaches are also our primary concern so as to ameliorate each the fidelity and robustness of multimedia data. Audio watermarking is our vital survey area.