Protecting video data through watermarking: A comprehensive study

Digital video watermarking is a technique developed to help in copyright protection of video files. Digital video files can be easily copied and shared among many people on the Internet. So, it's extremely necessary to protect the copyright and ownership right of the video files with the help of digital watermarking. In this paper, we are presenting the comparative study of different video watermarking techniques by analysing their performances, time taken for watermarking, co-relation of the extracted watermark with the original one, and some other important factors.