基于DCT变换的视频水印算法研究与仿真

DCT-based Video Watermarking Algorithm Research and Simulation

数字水印是一种数字产品版权保护技术,它可以标识作者等版权保护信息和认证信息,可以监视被保护数据的传播,鉴别真伪,解决版权纠纷,因此它一出现即成为热点问题。文章主要针对数字水印技术在视频版权保护中的应用情况,提出了一种实用的用于视频水印的算法,并给出了Matlab仿真结果。实验证明,该视频水印方案能够抵抗多种干扰和攻击,具有良好的稳定性、鲁棒性和防篡改性。

Digital watermarking is a digital copyright protection technology.It can be identified by information such as copyright protection and authentication information,can monitor the spread of the protected data,can distinguish authenticity and resolve copyright disputes,so it emerged as a hot issue.This paper aimed at the application of digital watermarking technology in video copyright protection,proposed a practical algorithm for video watermarking,DCT and IDCT transform in the algorithm can be achieved by logic circuits in the FPGA development platform袁and gave the Matlab simulation results.Experiments show that the video watermarking scheme resistant to a variety of interference and attacks,has good stability,robustness and tamper-resistant nature.