An improved HSBH Algorithm against SPA

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An improved HSBH Algorithm against SPA

Article | 更新时间：2020-08-12

- An improved HSBH Algorithm against SPA
- Optics and Precision Engineering Vol. 16, Issue 7, Pages: 1295-1302(2008)
- 作者机构：
  
  东北林业大学信息与计算机工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：27 November 2007，
  
  Revised：01 January 2008，
  
  Published Online：25 July 2008，
  
  Published：25 July 2008
- 稿件说明：
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张健,于晓洋,黄海霞. 一种改进的可抗SPA分析的HSBH算法[J]. 光学精密工程, 2008,16(7):1295-1302

An improved HSBH Algorithm against SPA[J]. Optics and precision engineering, 2008, 16(7): 1295-1302.
张健,于晓洋,黄海霞. 一种改进的可抗SPA分析的HSBH算法[J]. 光学精密工程, 2008,16(7):1295-1302 DOI：

An improved HSBH Algorithm against SPA[J]. Optics and precision engineering, 2008, 16(7): 1295-1302. DOI：

摘要

SPA算法是检测LSB隐藏率行之有效的方法，本文从理论上证明了SPA可分析高位隐藏算法HSBH。实验表明，在隐藏率大于3%的情况下，可以准确检测其是否含有隐藏信息，嵌入率的正确检测程度达到95%以上。同时给出了抗SPA分析的HSBH改进方法。改进后，无论嵌入量多少，SPA分析都将得到一个非常小的估计值，并做出未隐藏信息的错误判断，从而达到安全隐藏信息的目的。

Abstract

SPA (Sample Pair Analysis) method is one of the most effective steganalysis for LSB steganography. It proves that SPA can detect HSBH algorithm in theory and experiment. Experimental results show that the correct rate of detection is nearly 100% when the embedding rate p>3%.And an improved HSBH Algorithm against SPA is presented. After improvement

no matter how much message is embedded

SPA steganalysis will get a very small estimate value and make an incorrect judgment

so attaining the hiding information securely. Finally the applicable range of SPA and the method which can resist SPA steganalysis are concluded.

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