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Zero-steganography using DCT and spatial domain

机译:使用DCT和空间域的零隐写术

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摘要

As the primary concern in conventional steganography techniques is to make the algorithm immune to steganalysis, their primary focus is on imperceptibility. This paper discusses Zero-steganography, an imperceptible and un-detectable data hiding technique that does not require any steganalysis. The proposed algorithm hides the data based on a relationship between characteristic matrix of the cover image, chaotic sequence and payload; however, no change is made to the cover image. The proposed algorithm is analyzed for robustness against three attacks — low-pass filtering, noise and JPEG compression. Our results show that the proposed algorithm is robust against these attacks with Bit Error Rate (BER) below 20% even for the highest attack intensities.
机译:由于常规隐写技术的主要关注点是使该算法不受隐写分析的影响,因此它们的主要重点是不可感知性。本文讨论零隐写术,这是一种无需任何隐写分析的不可察觉且不可检测的数据隐藏技术。该算法根据封面图像特征矩阵,混沌序列和有效载荷之间的关系隐藏数据。但是,不会对封面图像进行任何更改。分析了所提出算法的鲁棒性,可抵抗三种攻击:低通滤波,噪声和JPEG压缩。我们的结果表明,即使对于最高的攻击强度,所提出的算法对于误码率(BER)低于20%的这些攻击也具有鲁棒性。

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