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On the fault-tolerant performance for a class of robust image steganography

机译：一类鲁棒图像隐写技术的容错性能

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Highlights•An error model based on burst errors and STCs decoding damage is given and verified.•The probability lower bound for RS-STC decoding to correctly extract embedded messages is deduced.•Experiments demonstrate that the practical fault-tolerant results of robust steganography methods consists with the theoretical derivation results.•A theory support for the integrity of message extraction is provided to the robust steganography based on “Compression-resistant Domain Constructing + RS-STC Codes”.AbstractThe mainstream adaptive steganography algorithms often cannot transmit secret messages correctly when stego images suffer from JPEG compression. In this respect, researchers proposed a series of robust adaptive steganography methods based on the framework of “Compression-resistant Domain Constructing + RS-STC Codes” in previous studies. However, these methods leave behind the fault tolerance analysis, resulting in potential mistakes in extracted messages, which brings uncertainty to practical application. To solve this problem, an error model based on burst errors and STCs decoding damage is given in this manuscript, utilizing the burst error model based on Poisson distribution. Then the model is verified using the hypothesis test problem judged by theχ2test method. Based on the proposed model, the error conditions of received stego sequence are depicted, and the fault-tolerant performance of the robust steganography based on “Compression-resistant Domain Constructing + RS-STC Codes” is deduced, that is, the probability lower bound for RS-STCs decoding to correctly extract embedded messages. Experiments demonstrate that the practical fault-tolerant results of previous robust steganography methods consist with the theoretical derivation results, which provides a theory support for coding parameter selection and message extraction integrity to the robust steganography based on “Compression-resistant Domain Constructing + RS-STC Codes”.
机译： 突出显示 • 给出并验证了基于突发错误和STC解码损坏的错误模型。 • RS-STC解码正确提取嵌入式消息的概率下限为 • 实验表明，健壮的隐写术方法的实际容错结果与理论推导结果一致。 • 对消息提取完整性的理论支持被提供给基于“抗压缩域构造+ RS-STC代码”的鲁棒隐写术。 < / ce：abstract-sec> 摘要 当Stego图像遭受JPEG压缩时，主流自适应隐写算法通常无法正确传输秘密消息。在这方面，研究人员在先前的研究中基于“抗压缩域构建+ RS-STC代码”的框架提出了一系列鲁棒的自适应隐写方法。但是，这些方法都无法进行容错分析，从而导致提取的消息中可能存在错误，这给实际应用带来了不确定性。为了解决这个问题，本文利用基于泊松分布的突发错误模型，给出了基于突发错误和STC解码损伤的错误模型。然后使用由χ 2 测试方法判断的假设检验问题验证模型。在提出的模型的基础上，描述了接收隐身序列的错误情况，推导了基于“抗压域构造+ RS-STC码”的鲁棒隐写技术的容错性能，即概率下界用于RS-STC解码以正确提取嵌入式消息。实验表明，基于鲁棒隐写方法的实际容错结果与理论推导结果吻合，为基于“抗压域构造+ RS-STC”的鲁棒隐写方法的编码参数选择和消息提取完整性提供了理论支持。代码”。

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