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dc.contributor.advisor许茹
dc.contributor.author叶长源
dc.date.accessioned2016-02-14T08:20:41Z
dc.date.available2016-02-14T08:20:41Z
dc.date.issued2011-01-10 16:34:22.0
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/51401
dc.description.abstract本文利用信息隐藏原理,结合OFDM水声通信技术,对实现图像水声隐蔽通信的相关技术进行了研究,重点研究了基于公开图像的秘密图像高效隐藏及盲提取算法,构建了一个“基于图像的高隐蔽性水声通信系统”。 论文依据空间域和小波域的特点,结合纹理分析的方法,提出了两种新的信息隐藏算法:①将秘密信息自适应嵌入载体图像小波域低频子带的同时,实现了小波域中频子带秘密信息的再嵌入。实验证明:该算法在兼顾含密图像视觉质量的前提下,获得了更大的嵌入强度:分别是改进前算法的1.90倍和1.66倍;②提出了“置乱秘密图像压缩编码”的新算法,在不影响保密性的前提下,大大提高了嵌入强度,实验证明:嵌入强度高达62.44%,是...
dc.description.abstractThis thesis researches image hiding technologies for underwater acoustic communication, focusing on the algorithms of public image hiding and blind extracting, and constructs an underwater acoustic communication system for concealed image processing. According to the space domain and wavelet domain features, combined with texture analysis method, two new information hiding algorithms are proposed...
dc.language.isozh_CN
dc.relation.urihttps://catalog.xmu.edu.cn/opac/openlink.php?strText=26442&doctype=ALL&strSearchType=callno
dc.source.urihttps://etd.xmu.edu.cn/detail.asp?serial=25760
dc.subjectOFDM水声通信
dc.subject信息隐藏
dc.subject整数提升小波变换
dc.subjectOFDM UWA
dc.subjectInformation hiding
dc.subjectInteger lifting wavelet transform
dc.title基于图像的高隐蔽性水声通信技术研究
dc.title.alternativeResearch on the Technology of Concealed Image Processing for Underwater Acoustic Communication
dc.typethesis
dc.date.replied2010-06-05
dc.description.note学位:工学硕士
dc.description.note院系专业:信息科学与技术学院通信工程系_通信与信息系统
dc.description.note学号:23320071152187


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