Abstract:Content authentication has become an important issue for surveillance video. This paper presents a watermarking system based on Discrete Cosine Transform (DCT) for Motion-JPEG video authentication. To protect the integrity of the video object, a content-based watermark is embedded into the frames of the video. Robust watermark and semi-fragile watermark are used for temporal authentication and spatial authentication respectively. For analysis and evaluation, the system trades-off the robustness and the visual … Show more
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