调查员有几个工具可以帮助找到泄漏源，包括数字水印，演播室说。
Investigators have several tools to help find the source of the leak, including digital watermarking, the studio said.
数字水印的研究对象主要包括静止图像、视频和声频信息。
What digital watermarking technique mainly research on is still images, video and audio signals.
信息隐藏技术包括隐写术，隐信道技术，数字水印技术等。
Information hiding techniques including steganography, Covert channel, digital watermark technology.
数字水印技术的应用除了版权保护，还包括内容认证、隐蔽通信和数据嵌入等等很多方面。
Applications of watermarking include not only copyright protection, but also document authentication, covert communications and data embedding, etc.
主要研究内容包括：论文首先回顾了混沌及混沌同步的有关概念，对基于混沌的数字水印研究概况进行了详细地概括与总结。
The concepts of chaos and chaos synchronization are reviewed firstly in this dissertation, and the present researches of chaos based digital watermarking are generalized and summarized in detail.
主要研究内容包括：论文首先回顾了混沌及混沌同步的有关概念，对基于混沌的数字水印研究概况进行了详细地概括与总结。
The concepts of chaos and chaos synchronization are reviewed firstly in this dissertation, and the present researches of chaos based digital watermarking are generalized and summarized in detail.
应用推荐