A Review on Digital Watermarking, its features, need and various techniques
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 10
Abstract
The advent of the Internet has resulted in many new opportunities for the creation and delivery of content in digital form. Applications include electronic advertising, real time video and audio delivery, digital repositories and libraries, and Web publishing. An important issue that arises in these applications is the protection of the rights of all participants. Sometimes current copyright laws are not enough for dealing with digital data protection. This has led to an interest towards developing new copy protection techniques. One of such technique is digital watermarking techniques. Digital watermarking is the process of embedding information into digital multimedia content such that the information (which we call the watermark) can later be extracted or detected for a variety of purposes including copy prevention and security. Digital watermarking is the act of hiding a message related to a digital signal (i.e. an image, song, video) within the signal itself. It is a concept closely related to steganography, in that they both hide a message inside a digital signal. However, what separates them is their goal. Watermarking tries to hide a message related to the actual content of the digital signal, while in steganography the digital signal has no relation to the message, and it is merely used as a cover to hide its existence. This paper includes watermarking definition concept and various methods of watermarking process. It starts with overview, techniques, application, challenges and limitations of watermarking.
Authors and Affiliations
Manjushree A. Shete, Prof. V. S. Kolkure
Keywords
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