非线性技术数字水印研究发展现状与展望被引量：1

Research of Digital Watermark with Nonlinear Technology

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摘要研究如何提高数字水印的稳健性和不可预测性问题,在针对通常数字水印应用中水印容易被破坏的现实情况,提出了利用多种非线性科学技术结合使用来提高其抗干扰能力.通过对现有的各种非线性技术数字水印现状进行研究分析,并进一步将仿真实验结果进行比较,得到非线性科学技术由于其本身的所具有的不可预测性、复杂性等原因,从而对提高数字水印的稳健性和不可预测性有着其它方法难以比拟的优点.该方法既适用于图象数字水印,也适用于音频数字水印,仿真结果证实了该方法的有效性.

作者赵健周欣周明全

机构地区西北大学

出处《北京邮电大学学报》 EI CAS CSCD 北大核心 2005年第z1期112-115,共4页 Journal of Beijing University of Posts and Telecommunications

基金国家自然科学基金项目(60372072) 陕西省教育厅科技项目(04JK257)

关键词数字水印非线性技术稳健性混沌

分类号 TN911 [电子电信—通信与信息系统]

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