The digital watermark technology is one kind of effective digital product copyright protection and the data security maintenance technology which appears in the recent ten years.
数字水印技术是近十年来出现的一种有效的数字产品版权保护和数据安全维护技术。
With the rapid development of computer science, the digital product market has got a highly boom, and a great number of information security problems as well.
随着计算机技术的飞速发展，数字多媒体产品市场在繁荣的同时也带来版权纠纷等严重问题。
With the development of the multimedia and the network technology, the application of the digital product is more and more wide. The security of multimedia has becoming urgent problem.
随着网络技术和多媒体技术的飞速发展，如何保护多媒体信息的安全成为国际上研究的热门话题，数字水印技术应运而生。
With the development of the multimedia and the network technology, the application of the digital product is more and more wide. The security of multimedia has becoming urgent problem.
随着网络技术和多媒体技术的飞速发展，如何保护多媒体信息的安全成为国际上研究的热门话题，数字水印技术应运而生。
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