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Video Watermarking Algorithm using the Frame-dependent Key  

안일영 (송호대학 멀티미더어)
박성한 (한양대학교 컴퓨터공학과)
Publication Information
Journal of Broadcast Engineering / v.8, no.4, 2003 , pp. 501-504 More about this Journal
In this out watermarking method, a key is determined by quantizing the maximum motion difference between frames. We have a problem the key value for embedding and detection are different in 1 to 3% frames of all frames. This problem can be easily solved by using a new key according to bit error rate of the extracted watermark. Since the watermark is embedded in each frame nth different keys and detected In all the frames, out method is resistant against attacks such as the frame averaging and frame drop.
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