【摘要】 全球迅猛发展的Internet网为数字媒体提供了方便的传输手段 ,但同时使得数字媒体的版权保护问题成了一项重要而紧迫的议题。文章介绍了最新的数字媒体版权保护技术 -数字水印的原理、详细分类和应用 ,最后对数字水印技术的前景进行了展望更多还原

【Abstract】 Development of computer network provides a good way for digital products to transform. At the same time, the problem of copyright protection has been an critical one. The principle,the classifications and the applications of watermarking are introduced.At last, its development prospect is discussed.更多还原