Protection of digital multimedia content has become an increasingly important issue for content owners and service providers. Watermarking is the process of embedding data into a multimedia element such as image, audio, or video. The embedded data can later be extracted from, or detected in, the multimedia for security purposes. There are several open research problems in video and audio watermarking. Reasons are as follows: (1) Large number of frames. (2) Neighbor frames similar to each other. (3) Temporal attacks.Original Lena Watermarked Lena The difference PSNR = 41.07 Figure 4.47: Embedding PRN Watermark into an Image with Tree Structure Matlab was used for all attacks. The chosen attacks were JPEG compression, resizing, addinganbsp;...
|Title||:||Robust Video Watermarking Scheme in Transform Domains|
|Publisher||:||ProQuest - 2007|