A second channel portion of the digital media data file is modified to include at least a first secondary watermark, wherein the first secondary watermark is the complement of the first primary watermark.
The present invention provides a framework for secure watermark embedding within untrusted devices.
Methods for embedding and recovering a secure watermark in an encoded video sequence.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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