Windows环境中的通用数字水印方案

General digital watermark scheme in Windows operating system

出于版权保护的目的,最近十几年来,数字水印技术日益受到关注,取得了很大发展。当前研究主要集中在对数字图像加水印上,常见的软件也是针对数字图像的。因此当各种字处理软件编辑生成的文档需要加上可见的或不可见的水印时,常见的办法是使用屏幕抓图,然后再使用图像处理软件加上水印。如果文档有很多页,这个过程非常烦琐且容易出错。因此,提出一种利用打印驱动程序加数字水印的方案,并详细说明了在Windows下的实现。

As an effective technique for copyright protection, digital watermark attracts much attention in last decade, and makes a rapid progress. Current study filed of digital watermark is mainly in digital image, and most softwares which provide this function are image process software. The normal way to add visible or invisible digital watermark into documents generated in word process software is copy screen, this is a bother task and easy to make mistakes. So a solution by printer driver is presented, and a realization in Windows is given.