A Survey of Substantial Digital Image Watermarking Techniques

In this paper, we have discussed about the various technique of watermarking. In which watermark is embedded inside the original data to provide copyright protection. Watermarking or digital signature belongs to the information hiding field. It has a lot of research interest in digital image watermarking scheme because of illegal access of data and unauthorized manipulation of multimedia data. Here we have discussed about detail survey of newly and existing watermarking techniques. The different techniques of watermarking are classified on the basis of their different domains.