A Study on Digital Watermarking and Application for Copyright Protection in Digital Image

With the advancement in the field of Information and Communication Technology, most of the information is kept in electronic form. The concept of keeping information electronically facilitate the user with easy access, contradictorily at the same point security of the information is fundamental issue nowadays. “Security” in the data transfer has been major area of concern in the past few decades and the threat of attack on the security haunt the both, receiver and sender. In today’s scenario data security is the necessity. There are numerous encryption method available which can be employed to secure digital information over the network. In this paper we have given detailed study of digital watermarking and its application for copyright protection in digital image describing architecture, attributes and algorithms of digital watermarking.