Description: rapid development of the global Internet network to the world economy has brought new opportunities, Digital technology works with the original copy of the same exquisite, But at the same time makes digital media copyright protection issues have become increasingly prominent. This paper introduces the latest multimedia copyright protection technology-digital watermark concept, In explaining the classification of digital watermarking and identity on the basis of put forward a digital watermarking-based digital copyright protection system, and study of digital watermarking system processing framework and digital watermarking algorithm. Finally, the digital watermark technology forward.
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