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一种新的数字图像多比特水印嵌入方案

A Novel Multi-bit Watermarking Scheme in Digital Images
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摘要 提出了一种新的水印嵌入方案,兼顾稳健性和隐蔽性,在载体信号的中频分量上迭加伪随机系列。该方案利用载体数据与伪随机系列相关系数的大小关系负载水印信息,因此嵌入的比特数远远大于迭加的伪随机系列数,提高了水印性能。另外给出了隐蔽性、稳健性、嵌入量与系统参数的关系。 A novel watermarking scheme for digital image is proposed, in which pseudo-random sequences are added into the middle frequency components of host signal with the consideration of robustness and imperceptibility. This scheme uses the comparison of correlations between the host data and pseudo-random sequences to carry the watermark, therefore providing a payload significantly more than the number of added sequences. The relations between robustness, imperceptibility, payload and system parameters are also given.
作者 金喜子 王钲璇
机构地区 东北师范大学计算机学院 吉林大学计算机科学与技术学院 吉林大学计算机科学与技术学院
出处 《计算机工程》 CAS CSCD 北大核心 2006年第10期143-144,214,共3页 Computer Engineering
基金 教育部重点基金资助项目(02090)
关键词 图像处理 数字水印 多比特嵌入 Image processing Digital watermarking Multi-bit embedding
分类号 TP309 [自动化与计算机技术—计算机系统结构]
  • 相关文献

参考文献11

  • 1Petitcolas F A P,Anderson R J,Kuhn M G.Information Hiding-A Survey[J].Proc.of the IEEE,1999,87(7):1062-1078.
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二级参考文献14

  • 1Wbender D Gruhl N Morimoto et al.Techniques for data hiding[J].IBM Systems Journal,1996,35(3):313-336.
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  • 7J J Eggers,B Girod. Quantization watermarking[A]. Proceedings of SPIE[C] , 2000,3971: 1-12.
  • 8B Chen, G W Wornell. Dither modulation;A new approach to digital watermarking and information embedding[A].Proceedings of SPIE[C] , 1999,3657;342-353.
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  • 10S Wang,X Zhang,T Ma. Image watermarking using dither modulation in dual-transform domain [J]. Journal of the Imaging society of Japan, 2002.41:398-402.

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计算机工程
2006年 第10期

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