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Application and Verification of Time-Division Watermarking Algorithm in H.264  

Youn, Jin-Seon (Department of Electronics Engineering, Graduate School, Kyungpook National University)
Choi, Jun-Rim (Department of Electronics Engineering, Graduate School, Kyungpook National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.45, no.6, 2008 , pp. 68-73 More about this Journal
Abstract
In this paper, we propose watermark algorithm called TDWA(Time-Division Watermarking Algorithm) and we applied the proposed algorithm to H.264 video coding standard. We establish that a proposed algorithm is applied to H.264 baseline profile CODEC. The proposed algorithm inserts a watermark into the spatial domain of several frames. We can easily insert strong and invisible watermarks into original pictures using this method. For verification of the proposed algorithm we design hardware core using Verilog-HDL and Excalibur for JM 8.7 code with hardware & software co-simulation. As a result of verification, the PSNR between watermarked pictures and original pictures are more than 60dB and we found the watermark is kept more than 80% after encoding of H.264/AVC with quantization parameter of 28 in baseline profile.
Keywords
Time-division watermarking; spatial domain; watermarking; copyright protection;
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