Robust Digital Watermarking for Images: Review

Digital Image Watermarking used for protecting digital media files and data. It has been an active research field since last decades. Digital Image watermarking is an approach that enables a user from being misused of personal images or information. Here, the term “watermarking” refer to data hiding for copyright protection and image security. Digital Watermarking is becoming a necessity these days for various reasons such as duplication, modification and manipulation of images .In this paper, we have discussed various techniques that enable users to allow a security over their images and data, thus providing a secure transfer o f digital files. The main issue in protecting our image files is to secure our data and important information from being viral or open to all, thus making its end to end retrieval that is only required end user is able to access that data.