Paper Title
Digital Image Watermarking

Abstract
Now days, community are using social networking sites for sharing their life moments as images. And a different side fraud user (Hacker) can access or even download those digital images. Hacker can edit and modify the original image. These modify images can be shared on any websites. The illegal use of private image comes under copyright law. For the security of image we use Digital Image Authentication System DIAS. This is valid for color and gray images. The input image can be of any size, and the output image size will be equal to the input image. DIAS identifies the rights of digital image by Digital Watermarking. The Digital watermarking idea is used to cover and discover information from image. It is the best way to copyright security of the user. In this paper we will study different type water marking process. Keywords - Digital Image Authentication System (DIAS); Watermarking; Color Images; Discrete Wavelet Transform (DWT); Embedding, copyright