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基于采样理论的一个信息隐藏方法 被引量:3

An Information Hiding Method Based on Sampling Theory
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摘要 将采样理论引入作为图象置乱的一种方法,并结合非线性图象变换技术,在计算量增加不大的条件下,提出一种改善水印算法不可感知性和顽健性的易于实现的手段,应用实例表明,该方法效果良好。 In this paper, the sampling theory, combined with the nonlinear image transformation technique, is introduced as a method for image scrambling, providing a means for improving the imperceptibility and robustness of watermark algorithm. Practical examples are presented to illustrate the efficiency of the method.
出处 《计算机工程》 CAS CSCD 北大核心 2002年第2期79-80,83,共3页 Computer Engineering
基金 教育部科学技术研究重点项目(00185) 福建省教育厅科研项目(JA00144)
关键词 信息隐藏 采样理论 非线性图象变换 计算机 信息处理 SamplingImage transformationDigital watermark
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