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遥感影像中多个机密信息的授权使用技术

DOI: 10.11834/jig.20070913

Keywords: 信息安全,遥感影像,权限,离散小波变换

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Abstract:

一般的图像域信息隐藏算法并不适用于遥感影像,将信息隐藏的涵义加以拓广,提出了遥感影像中多个机密信息的授权使用技术,即根据用户的不同权限对遥感影像中的多个机密信息进行不同程度的隐藏,并提出了适用于遥感影像的信息隐藏小波域算法,该算法是盲算法,且基于HVS(humanvisualsystem)特性,并自适应于遥感影像特征。能很好地保存机密地物的纹理与光谱特性,复原遥感影像逼真,对遥感影像的应用价值没有影响,且对影像添噪与JPEG有损压缩具有较强的鲁棒性。

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