数字内容技术与服务研究中心知识库

With the continuous development of network technology, people are becoming more and more dependent on digital images. At the same time, some problems have emerged about digital copyright, so the protection of digital images has become a hot issue in research. This paper makes a detailed analysis on the main attributes, classification and system model of digital image watermarking, and systematically introduces several typical image watermarking algorithms and common attack methods. Finally, it proposed the main problems of current digital image watermarking technology, and summarized current situation and looked forward to future research directions.