digital image information security

基本解释

This paper mainly discusses the watermark technique applied in information security concerning digital image.
本论文主要探讨有关数字图像信息安全中的数字水印技术。
Therefore, information security becomes one important problem, and digital image technique has already been useful and needs to be further developed.
因此，信息安全已经成为一个关键而迫切的问题，数字图像加密技术已经成为一项非常实用而又亟待快速发展的关键技术。
In the existing method of digital watermark, for embedding watermark information, authors modify more or less original image data through various methods to limit its robustness and security.
已有的数字水印方法为了嵌入水印信息都对原图像数据采用各种方法或多或少地进行了修改，这样做使其鲁棒性和安全性受到限制。