ahoo.com

At the leading edge of the information world everything is in available in form of digital media. Digital watermarking was introduced to provide the copy right protection and owners’ authentication. Digital video watermarking is the process to embedding a digital code into digital video sequences. Digital video watermarking nothing but a sequence of consecutive still images. In recent few years the applications based on video like, pay-per-view, video-on-demand, video broadcasting are becomes more and more popular, so the requirement of a secure video distribution increases. In this paper, the concept of digital video watermarking, its terminology, principle, properties, applications, and classification is introduced. Classification is based on the types of key used for embedding/detecting purpose, types of carriers and the working domains of watermark embedding are included