The rapid growth of the internet and e-commerce needs a copyright protection mechanism and privacy-preserving techniques for multimedia data such as videos, images, animations and text. It is very difficult to restrict illegal modifications in digital media. Therefore, there is an ultimate need for the security & privacy of multimedia and the protection of digital rights data over the internet. There are basically different mechanisms for the protection of digital images such as cryptography, digital image watermarking and steganography. Multimedia technologies consist huge amount of...