A new adaptive algorithm for digital video watermarking.
Zhu Zhong-ji, Mei Yu, Wu Xunwei · Journal of Zhejiang University(Sciences Edition) · 2003
With the fast development of computer and network techniques, digital watermarking is becoming an efficient method for protecting the intellectual property rights of digital products. In this paper, a new adaptive watermarking algorithm is proposed for video image coding. Operating the compressed video data-stream directly, watermark information is embedded into motion vectors. According to watermark information and the feature of motion vector, the new algorithm can adaptively select embedding schemes to get good quality of watermarked-im-age. Moreover, watermark is blindly extracted in the algorithm. Experimental results show that the proposed algorithm is very simple and efficient and has a good compatibility with compression standard.