A Review Paper on Digital Watermarking Techniques & Its Applications

As we know current era is based on internet, here everything is online like banking, shopping, video transmission, audio transmission.Now for online subjects the biggest challenge is security, so there is need of security applications which will resolve the problem of the user.For this purpose there is a need of Digital watermarking system which will provide a good platform for these kind of applications.In this paper basically the comparative study about the previous existing approaches of digital watermarking is done.Here we also discuss the applications and need of the digital watermarking applications.