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基于相邻像素相似性的可逆信息隐藏算法 被引量：1

Reversible Information Hiding Algorithm based on the Adjacent Pixels Similarity
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摘要 在基于相邻两像素差值的无损数据隐藏算法的基础上,提出基于相邻像素相似性的可逆信息隐藏算法,并进行实例验证。该算法用希尔伯特曲线扫描载体图像得到载体图像一维序列,先从第一个像素开始将序列分成不相交的包含两个像素的连续组,选择组元素相等的组嵌入信息,其它组作一定的修改以避免数据的重叠,然后从修改后序列的第二个像素开始分组进行同样的操作。该算法隐藏容量大,具有较好的视觉效果。 According to the adjacent pixels similarity, a reversible information hiding scheme is proposed, which is based on the lossless data hiding scheme of two adjacent pixels differ- ence and proved through many examples. Hilbert curve is adopted to scan the cover image to get one dimensional sequence that is divided into a series of disjoint pixel-groups with begin- ning from the first pixel. Each group consists of two pixels. The groups with two equal pix- els are selected to embed data whereas the pixels in other groups are modified to avoid data overlapping. And then the same operations are done with beginning from the second pixel of the modified sequence. The proposed scheme achieves high capacity and makes stego-images good visual quality.
作者 莫丽燕 张显全 王晓云
机构地区 广西师范大学计算机科学系 长江师范学院数学与计算机学院
出处 《广西科学院学报》 2013年第1期7-10,共4页 Journal of Guangxi Academy of Sciences
基金 广西自然科学基金项目(2011GXNSFD018026 2012GXNSFBA053166 0832104) 广西科学研究与技术开发计划项目(10123005-8) 重庆市教委科技项目(KJ121310) 涪陵区科技计划项目(FLKJ 2012ABA1056) 广西教育厅项目(200911MS55)资助
关键词 信息隐藏 可逆 希尔伯特曲线 information hidding, reversible, Hilbert curve
分类号 TP391 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献10

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二级参考文献38

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共引文献38

同被引文献18

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广西科学院学报
2013年 第1期

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