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1. 江西理工大学 应用科学学院,江西 赣州 341000
2. 中南大学 信息科学与工程学院,湖南 长沙 410083
3. 中南大学 移动医疗实验室,湖南 长沙410083
[ "邓小鸿(1982-),男,湖北天门人,博士,江西理工大学讲师,主要研究方向为网络信息安全。" ]
[ "陈志刚(1964-),男,湖南益阳人,中南大学教授,主要研究方向为分布式计算与信息安全等。" ]
[ "梁涤青(1979-),男,湖南涟源人,中南大学博士生,主要研究方向为混沌密码学与信息安全等。" ]
[ "毛伊敏(1971-),女,新疆伊犁人,博士,江西理工大学副教授,主要研究方向为智能信息处理。" ]
网络出版日期:2015-01,
纸质出版日期:2015-01-25
移动端阅览
邓小鸿, 陈志刚, 梁涤青, 等. 分区域的医学图像高容量无损信息隐藏方法[J]. 通信学报, 2015,36(1):189-198.
Xiao-hong DENG, Zhi-gang CHEN, Di-qing LIANG, et al. Region-based lossless data hiding with high capacity for medical images[J]. Journal on communications, 2015, 36(1): 189-198.
邓小鸿, 陈志刚, 梁涤青, 等. 分区域的医学图像高容量无损信息隐藏方法[J]. 通信学报, 2015,36(1):189-198. DOI: 10.11959/j.issn.1000-436x.2015021.
Xiao-hong DENG, Zhi-gang CHEN, Di-qing LIANG, et al. Region-based lossless data hiding with high capacity for medical images[J]. Journal on communications, 2015, 36(1): 189-198. DOI: 10.11959/j.issn.1000-436x.2015021.
针对医学图像的分区域典型特征,提出一种基于区域和直方图平移的高容量无损信息隐藏方法。本方法用最大类间距分割法求得原始图像的前景区域,再用聚合多边形逼近和图像拟合法得到其数据嵌入区域。在数据嵌入过程中,提出利用差值直方图循环平移和基于编码的直方图平移方法分别在前景和背景区域嵌入数据,提高了原始直方图平移方法容量和解决了溢出问题。实验结果表明该方法总的嵌入容量可达1 bit/pixel以上,并且隐秘图像质量在40 dB左右,适用于具有区域特征的质量敏感图像的大容量信息隐藏。
In view of the significant regional features of medical images
a new high capacity lossless data hiding method based on region and histogram shifting was presented.Firstly
the presented method utilized segmentation method of the maximum class separation distance to get the foreground region of medical images
and then used the polymeric polygonal approximation and image fitting algorithm to get the embedding region of region foreground.In the embedding procedure
the difference histogram circular shifting method and the code-based histogram shifting method were presented to embed hidden data in foreground and background region respectively
which improved the limit embedding capacity and resolved the overflow and underflow in traditional histogram shifting method.Experimental results show that the proposed method achieves high embedding capacity with 1 bit/pixel and stego-image quality about 40 dB.The presented method can be applied to the quality of sensitive image's large capacity information hiding with regional feature.
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张秋余 , 孙媛 , 晏燕 . 基于分块自适应压缩感知的可逆水印算法 [J ] . 电子与信息学报 , 2013 , 35 ( 4 ): 797 - 804 .
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DUAN C J , MA J F , ZHANG Y B , et al . Energy conduction model and its application in medical image segmentation [J ] . Journal of Software , 2009 , 20 ( 5 ): 1106 - 1115 .
GE Q , XIAO L , ZHANG J , WEI Z H . An improved region-based model with local statistical features for image segmentation [J ] . Pattern Recognition , 2012 , 45 ( 4 ): 1578 - 1590 .
TAN C K , NG J C , XU X T , et al . Security protection of DICOM medical images using dual-layer reversible watermarking with tamper detection capability [J ] . Journal of Digital Imaging , 2011 , 24 ( 3 ): 528 - 540 .
HONG W , CHEN T S . A local variance-controlled reversible data hiding method using prediction and histogram-shifting [J ] . The Journal of Systems and Software , 2010 , 83 ( 12 ): 2653 - 2663 .
黄斌 , 史量 , 邓小鸿 等 . 自适应高容量医学图像可逆数据隐藏算法 [J ] . 计算机应用 , 2012 , 32 ( 10 ): 2779 - 2782 .
HUANG B , SHI L , DENG X H , et al . Adaptive high-capacity reversible data hiding algorithm for medical images [J ] . Journal of Computer Applications , 2012 , 32 ( 10 ): 2779 - 2782 .
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