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基于小波变换和空域的数字水印方案 被引量：1

A New Scheme of Digital Watermark Based on Wavelet Transform and Spatial Domain
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摘要 在比较了小波数字水印技术的几种经典算法后,总结出1种针对灰度图像,基于小波变换和空域的数字盲水印方案.此设想水印信息的鲁棒性是建立在分散的基础上.试验结果表明:该方法对剪切攻击、滤波攻击、噪音攻击有较强的鲁棒性. Several classical wavelet watermark algorithms were analyzed, and it was finally proposed that a digital blind watermark technique was based on the combination of discrete wavelet transform and spatial domain transform. The robustness of this watermark system was decided on separate tactic. The experimental results showed that this watermark system was robust enough with attacking of image cut, filtering, noise.
作者 周敏 傅贵 巫莉莉
机构地区 华南农业大学信息学院 广州市交通管理科学研究所 华南农业大学现代教育技术中心
出处 《华南农业大学学报》 CAS CSCD 北大核心 2008年第3期107-111,共5页 Journal of South China Agricultural University
基金 广东省/广州市信息安全技术(密码学)实验室课题"无证书公钥密码系统的研究"
关键词 数字水印 小波变换 分散策略 位平面分解 digital watermark wavelet transform separate-tactics bit-plane decomposition
分类号 TP309 [自动化与计算机技术—计算机系统结构]
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参考文献10

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二级参考文献15

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华南农业大学学报
2008年 第3期

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