2、究热点。本文首先介绍信息系统的现状,接着介绍数字水印相关理论,从古隐写术出发,缓缓引出数字水印技术,阐述其分类及特点,并按各种数字水印技术的特点的不同,分析比较几种主流数字水印的解决方案,讨论其中最适的应用,并通过给出一种简单的数字水印解决方案示例,更直接的阐述数字水印技术,最后提出了数字水印下一步的发展方向。关键词:数字版权保护数字水印IIIAbstractSince the birthoftheInternet,informationtechnologyhasrapiddevelopedandnetworkapplicationsisbecomingi
4、nbecomingincreasinglyprominent.Oneofthatisthe digital copyrightissuesa.Copyrightprotectionfordigitalproducts, chasing aroundthecorner,digitalwatermarkingiscopyrightprotectiontechnology for digitalproducts inrecentyears.Carrying copyrightinformati-onandauthenticationinformation, th
5、e protection of legitimate copyinganddisseminationof digitalproducts are theresearchfocus of the internationalacademiccommunity.Thispaperfirstintroducesthestatusofinformationsystems,andthenintroducesdigitalwatermarkingtheory,ancientsteganographystartingslowlyleadstothedigitalwater