【摘要】 本文介绍了一种新型数字产品保护技术———数字水印 ,它利用数据隐藏技术将特定的信息嵌入到数字产品中 ,达到保护数字产品版权和数据完整性的目的。本文介绍了数字水印技术的特点和发展现状 ,具体分析了几种算法方案和实际应用情况。更多还原

【Abstract】 In this paper one approach named digital watermarking is introduced as a new protection technique for information products It embeds the special information into digital products by the technique of data hiding,in order to protect the copyright ownership and intactness of multimedia data We fully introduce both the characteristics of this technique and its development situation,concretely analyze some schemes and applications更多还原