The digitization of the information has revolutionized the daily lives of the peoples in this world. The many advantages of digital information have also generated new challenges and new opportunities for innovation. This thesis discusses the issues regarding data hiding and its application to multimedia security and communication, addressing both theoretical and practical aspects, and tackling...

Digital text is the most frequent interchange form of data that could hold sensitive information such as audit firms, banks, and educational institutes. This needs to preserve its integrity originality so it not only secure but also helps identify ownership documents. paper presents a novel invisible digital watermarking approach for exchange documents over internet. serves from last decade det...

Digital watermarking has been presented as a solution for protection against illegal copying of multimedia objects and dozens algorithms have been proposed. Some problems seriously darken the future of this technology though. One of them is that the requirements, tools and methodologies to assess the current technologies are almost inexistent. The lack of benchmarking of current algorithms is b...

In digital watermarking, a watermark is embedded into a covertext in such a way that the resulting watermarked signal is robust to certain distortion caused by either standard data processing in a friendly environment or malicious attacks in an unfriendly environment. The watermarked signal can then be used for different purposes ranging from copyright protection, data authentication, fingerpri...

This paper investigates digital data hiding schemes. The concept of information hiding will be explained at first, and its traits, requirements, and applications will be described subsequently. In order to design a digital data hiding system, one should first become familiar with the concepts and criteria of information hiding. Having knowledge about the host signal, which may be audio, image, ...

There has been a remarkable increase in the data exchange over web and the widespread use of digital media. The mounting interest with reference to digital watermarking throughout the last decade is certainly due to the increase in the need of copyright protection. Applications of video watermarking in copy control, broadcast monitoring, finger printing, video authentication, copyright protecti...