摘要：The great success of internet that allows the transmission, very wide distribution, and access of digital data in an easy manner.The term "digital watermark" was first coined in 1992 by Andrew Tirkel and Charles Osborne.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. "Watermarking" is the process of computer-aided information hiding in a carrier signal; the hidden information should, but does not need to contain a relation to the carrier signal. Digital watermarks may be used to verify the authenticity or integrity of the carrier signal or to show the identity of its owners. Like traditional watermarks,. Keywords —Digital Video Watermarking, Discrete Wavelet Transform, 3-D digital water marking, Video Frame, Watermark, MATLAB.
