[1]吴万琴,阮文惠,贺元香.一种基于直方图平移和局部复杂度的可逆水印算法[J].南京师范大学学报(自然科学版),2016,39(03):33.[doi:10.3969/j.issn.1001-4616.2016.03.006]
 Wu Wanqin,Ruan Wenhui,He Yuanxiang.A Reversible Watermarking Algorithm Based on HistogramShifting and Local Complexity[J].Journal of Nanjing Normal University(Natural Science Edition),2016,39(03):33.[doi:10.3969/j.issn.1001-4616.2016.03.006]
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一种基于直方图平移和局部复杂度的可逆水印算法()
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《南京师范大学学报》(自然科学版)[ISSN:1001-4616/CN:32-1239/N]

卷:
第39卷
期数:
2016年03期
页码:
33
栏目:
·特约稿·
出版日期:
2016-09-30

文章信息/Info

Title:
A Reversible Watermarking Algorithm Based on HistogramShifting and Local Complexity
文章编号:
1001-4616(2016)03-0033-07
作者:
吴万琴阮文惠贺元香
兰州文理学院数字媒体学院计算机系,甘肃 兰州 730000
Author(s):
Wu WanqinRuan WenhuiHe Yuanxiang
School of Digital Media,Lanzhou University of Arts and Science,Lanzhou 730000,China
关键词:
可逆水印局部复杂度嵌入容量像素值
Keywords:
reversible watermarkinglocal complexityembedding capacitypixel value
分类号:
TP309,TN911
DOI:
10.3969/j.issn.1001-4616.2016.03.006
文献标志码:
A
摘要:
针对现有高容量水印嵌入算法中载体图像失真问题,本文提出一种基于直方图平移和局部复杂度的可逆水印算法. 为确保较高的图像质量,该算法通过局部复杂度函数来区分宿主图像块是平滑还是复杂块,将平滑块嵌入水印信息,复杂块保持不变,不进行水印信息嵌入,以获得高质量图像. 实验结果表明,与同类算法相比,该算法具有较好的图像质量和高嵌入容量.
Abstract:
This paper proposed a reversible watermarking algorithm based on histogram shifting and local complexity in view of the existing problem?of image?distortion for high?capacity?watermarking algorithms. ?In order to obtain?high quality image,this paper classified the cover image block into smooth blocks or complex blocks based on a local complexity function. Then,the smooth block embedded watermark information,?complex?blocks?remained unchanged to increase embedding capacity and enhance image quality. The experimental results show that?compared with other similar algorithms,?this algorithm has?better image?quality and high?embedding capacity.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-09-16. 
基金项目:甘肃省教育厅研究生导师项目(1215_04). 
通讯联系人:吴万琴,副教授,研究方向:多媒体信息安全. E-mail:2335630373@qq.com
更新日期/Last Update: 2016-09-30