Study and Comparison Analysis of a Video Watermarking Scheme for Different Attacks
نویسنده
چکیده
ow a days Internet is offering a great convenience in transmitting large amount of data in different parts of the world. However, the security and safety of long distance communication remains a matter of concern. Recording, editing and replication of multimedia contents may be the consequence of transmission of such data over the internet. In order to tackle this problem the need of copyright protection was identified. The interest of research, related to digital watermarking is certainly due to the increase in the need of copyright protection of digital content. The appliance of video watermarking in copyright protection, video authentication, copy control, legacy enhancement, broadcast monitoring, annotation etc. is rising immensely. The main objectives of video watermarking are capacity, unobtrusive and robustness. Capacity is the amount of information or data that is to be concealed. The skill to identify the information in security and robustness refers to the resistance to modification of the cover content before secret information is destroyed. Most of the Video Watermarking Algorithms emphasize on robustness. In this paper a video Watermarking scheme using SVD-DWT has been proposed and is tested against various attacks. Keywords— SVD, DWT, Video Watermarking Attacks, Video shot, Scene change detection
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