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Digital content piracy is one of the major crimes in the present world. Protection of digital content like music, video and images has become a major problem. Watermarking is one of the methods to protect digital content against unauthorized copying. In watermarking procedure, generally, watermark is embedded before it is going to be distributed over different communication channels. This paper presents a novel technique for embedding a image/data into video frames. Video Watermarking is a process by which user specified data is hidden or embedded into another signal (Video Signal) by the watermark embedding process. Afterwards the recovery of the watermark is achieved with the help of the watermark extraction process. The proposed scheme is an imperceptible and a robust hybrid video watermarking scheme. PCA is applied to each block of the any bands which result from Stationary Wavelet transform of every video frame. The watermark is embedded into the first principal components of the any blocks in different ways. Combining the two transforms improved the performance of the watermark algorithm. The scheme is tested by applying various attacks. Experimental results show no visible difference between the watermarked frames and the original frames. In our paper, to embed the watermark, stationary wavelet transform (SWT) is used in combination with principal component analysis (PCA) in order to increase the robustness against many attacks, to increase the amount of payload and also the processing speed. Index Terms: Video Watermarking, Stationary Wavelet Transform, Principal Component Analysis.

Efficient video watermarking with SWT and empirical PCA based decoding