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Application of Error Control Coding for Multimedia Watermarking Technologies
Abstract
Intellectual property right, copyright, trade mark, digital rights management (DRM) are buzz words heard more often in era of Internet. Along with the uncountable advantages Internet has also brought certain evils. These evils have social, technological, economical and legal impact on our society in general. One of the issues concerning the “content creators” is mass violations of copyrights for their work through illegal distribution via “darknet”. Watermarking is seen as one of the component for DRM systems that can act as a deterrent to content flowing into the darknet. The performance of watermarking schemes can be improved if channel codes are used for encoding the hidden message. The chapter targets applications of Error Control Coding (ECC) to watermarking namely: copyright protection, authentication, forensics and stego watermarking techniques including active steganography. This chapter aims at studying various properties of watermarking systems (depending on application), looking into their specific requirements and then try to search for suitable error control code. This will boost the over all performance of watermarking techniques. This chapter also intends to discuss the state of art research in this direction and then presents a watermarking method based on facts covered in chapter.
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