对于数字水印的研究越来越成为人们研究的重点，本问针对敏感的水印水印技术，提出了一种改进的算法 -The Digital Watermarking increasingly become the focus of research, this question watermark watermarking technology for sensitive, a modified algorithm

一种用于数字图像新颖的可逆认证水印算法，把可逆水印技术用于数字图像认证。-A reversible watermarking algorithm for digital image novel, the reversible watermarking technology for digital image authentication.