签章域的防伪数字水印

本文提出了一种在签章图像中嵌入数字水印以达到防伪目的的新思路.由于签章图像在实际商业交往中的应用很广泛,传统的纸制公文、印刷品也要适应社会信息化新形势的需要.为了确保其在模拟域(签章域)中的安全性,需要考虑一种新的基于签章域数字水印的防伪机制,并且对于打印扫描过程具有强鲁棒性.本文介绍了防伪数字水印的实现流程,并对于实现过程中遇到的若干问题进行了探讨.

Digital Watermarking against Counterfeit in Signature Application

A new watermarking scheme against counterfeit for signature image is proposed in this paper. As signature image is widely applied in actual business activities, traditional paper files and presswork also adapt new need in society information revolution situation. To make sure their security in analog form, we need to develop a new method based on digital watermarking against counterfeit in signature image, which is strongly robustious for print-and-scan process. In this paper, implementing process about digital watermarking against counterfeit is introduced, and some important issues of those techniques axe discussed.