Digital Watermarking-Revisit

Abstract — A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as audio or image data. It is typically used to identify ownership of the copyright of such signal. In this paper, I present review on Image Watermarking.Here, I discuss the various factors used in watermarking techniques, attacks, and security and application area where watermarking technique can be used. Also shows a survey on some previous work done in watermarking field