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基于变长分组混沌映射的图像数字水印算法

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摘要 本文提出数字水印混沌离散映射的嵌入算法,将水印和载体信息离散化分组,通过混沌映射将随机选定的水印分组嵌入到随机选定的载体分组中,嵌入过程中水印离散化分组、载体与载体分组的启始嵌入点、水印分组与载体分组的选择采用动态混沌映射确定。通过实例分析,该算法对嵌入水印后的图像剪切、压缩、颜色抖动、亮度调整、噪声干扰均具有较好的鲁棒性。
作者 洪力
出处 《计算机光盘软件与应用》 2015年第1期47-48,50,共3页 Computer CD Software and Application
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参考文献5

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