One application of digital video watermarking method kinoform

Digital video watermarking method for applying kinoform, to a multimedia signal processing method. The method of providing a watermark having good imperceptibility, an application can be effective against various attacks kinoform digital video. 1) a computer step based kinoform Gyrator transform production, the production of kinoform as embedded vector video watermarking information sequence; 2) a phase hologram step vector video embedded; 3) a watermark detection step algorithm: determining whether a video containing the watermark information; 4) a computer kinoform FIG reproducing the steps of: extracting a watermark content playback on the computer.