摘要
信息隐藏是把机密信息隐藏在大量信息中不让对手发觉的一种方法。信息隐藏的方法主要有隐写术、数字水印技术、可视密码、潜信道、隐匿协议等。其中,数字水印是指在原始的数字媒体中嵌入水印信号,嵌入水印前后的媒体在视觉或听觉感受上没有任何明显的差别。
The information hiding is the confidential information hidden in large amounts of information in a way not to find opponents.Main methods of information hiding steganography, digital watermarking technology, visual cryptography, subliminal channel,hidden agreements. Among them,the digital watermark refers to the original watermark signal embedded in digital media,before and after watermark embedding media in the visual or auditory experience does not have any significant differences.
出处
《计算机光盘软件与应用》
2010年第7期34-34,共1页
Computer CD Software and Application
关键词
数字水印
数字签名
信息隐藏
Digital watermarking
Digital signature
Information hiding