用于印刷图像的水印算法研究

Research of Digital Watermarking Algorithm for Image Printing

将数字水印技术引入印刷防伪领域,以用于印刷的数字图像为研究对象,将有意义的二值黑白图像代替无意义序列作为水印信息嵌入到待保护的原始数字图像中,并提出算法。实验证明,该算法不仅可以抵抗剪切、涂改、污损等对数字图像的常见攻击,而且在抗击印刷和图像扫描方面也具有很强的鲁棒性。

Digital watermarking technology was introduced into anti-forgery printing. An algorithm was put forward, which used a monochrome picture as watermark embedded into digital images invisibly. It was proved by experiments that this algorithm not only can resist against the common attracts, such as cropping, alteration, and defilement, but also has strong robustness in resisting the process of printing and scanning.