Abstract
With the rapid developing of network techniques and multimedia technology, the data security becomes an important and challenging research topic. The emergence of digital image watermarking technology provides an effective way for multimedia copyright protection, which embeds specific information. This paper analyses the characteristics of digital watermarking technology firstly, then studies some important digital image watermarking algorithms, finally compares the schemes in digital image watermarking techniques. The work aims to compare the differences of the schemes in digital image watermarking techniques and improve the performance of digital image watermarking.
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