跟着网络技术和多媒体技术的飞速发铺，数字作品的信息安全维护和版权维护成为亟待解决的实际题目。
With the rapid development of computer network and multimedia technology, information security and copyright protection of the digital works become practical problems need to overcome immediately.
盘算机网络技术的飞速发铺和电子商务的日益普及使得网络环境下数字媒体的交易日益频繁，与之相关的版权维护就成为非常主要的题目。
With the rapid development of Internet and popularization of the E-Commerce, the importance and urgency of digital media copyright protection is more and more obvious nowadays.
数字水印版权维护中的多所有权声名题目，也鸣ibm攻击，是数字水印版权维护的瓶颈。
Multiple claims of the rightful ownership for a digital product, also called the IBM attack, are the threshold for the watermarking usage in the copyright protection.
应用推荐