【摘要】 分析了数字水印技术的背景、采用方法、应用和存在问题 ,着重在水印算法即水印的嵌入和水印的提取和检测方面进行了研究 ,对如何提高水印稳健性等提出了具体意见更多还原

【Abstract】 An overview of digital watermark is proposed in this paper Includ in g the background ,algorithms, applications and research topics, private viewpoin ts are given by the author’s works about watermarking,including robust etc更多还原