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arXiv 1003.5509cs.CR
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一种基于素数的LSB数据隐藏技术

An LSB Data Hiding Technique Using Prime Numbers

Sandipan Dey, Ajith Abraham, Sugata Sanyal

摘要:

在本文中,提出了一种新的数据隐藏技术,作为改进的Fibonacci LSB数据隐藏技术提出的Battisti等人。首先,我们数学模型和推广我们的方法。然后,我们提出了我们的新技术,分解的基础上的一个数字(像素值)在素数的总和。该特定表示生成适合于嵌入目的的一组不同的(虚拟)位平面。它们不仅允许在更高的位平面上嵌入秘密信息,而且没有太大的失真,具有更好的隐写图像质量,并且以可靠和安全的方式,保证了秘密信息的有效检索。对经典的最低有效位(LSB)方法、Fibonacci LSB数据隐藏技术和我们提出的方案进行了性能比较研究。分析表明,采用Fibonacci分解的隐写图像质量比采用简单LSB替换的隐写图像质量有明显提高,而采用素分解的隐写图像质量比采用Fibonacci分解的隐写图像质量有明显提高。实验结果表明,隐写图像与原始图像在视觉上是不可区分的。

英文摘要:

In this paper, a novel data hiding technique is proposed, as an improvement over the Fibonacci LSB data-hiding technique proposed by Battisti et al. First we mathematically model and generalize our approach. Then we propose our novel technique, based on decomposition of a number (pixel-value) in sum of prime numbers. The particular representation generates a different set of (virtual) bit-planes altogether, suitable for embedding purposes. They not only allow one to embed secret message in higher bit-planes but also do it without much distortion, with a much better stego-image quality, and in a reliable and secured manner, guaranteeing efficient retrieval of secret message. A comparative performance study between the classical Least Significant Bit (LSB)method, the Fibonacci LSB data-hiding technique and our proposed schemes has been done. Analysis indicates that image quality of the stego-image hidden by the technique using Fibonacci decomposition improves against that using simple LSB substitution method, while the same using the prime decomposition method improves drastically against that using Fibonacci decomposition technique. Experimental results show that, the stego-image is visually indistinguishable from the original cover-image.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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