Digital watermarking has been proposed to solve the ownership problem and prevent
various malicious attacks in the recent years. However, most proposed watermarking …

Digital watermarking is a technique to insert an information-carrying digital signature into a
digital media so that the signature can be extracted for variety of purposes including …

This paper proposes to introduce public-key cryptography into digital watermarking so that
all the information for extracting a watermark can be opened. In the proposed system, a …

In recent years, digital watermarking has been introduced as a means of effectively
protecting copyrights on digitized media such as image, audio and multimedia data. We …

This paper describes a digital watermarking technique for images and graphics. There are
two major merits of this work. First, the watermarked images are the same as the original …

We propose a novel scheme in which two black and white images are embedded as
watermarks into a host image. The first watermark is intended for secure image …

We describe a watermarking scheme for ownership verification and authentication.
Depending on the desire of the user, the watermark can be either visible or invisible. The …

Due to the recent growth of digital multimedia transmissions on the Internet, the need for the
intellectual property rights protection of multimedia information, like images, music and …

Digital watermarking is a potential effective method for authentication and ownership rights
protection. The digital watermark is hidden information added into the multimedia. This …

Digital watermarking has been proposed for copyright protection of multimedia data. Most
current researchers focus on the robust watermarking techniques to embed a perceptually …