空间域LSB的信息隐藏检测技术研究

Research of spatial LSB-based detection of hidden messages

基于图象的信息隐藏检测技术是隐写分析技术的基础,对于保障网络信息安全和提高信息隐藏算法的安全性具有重要意义。本文针对基于空间域图象的LSB信息伪装的方法,介绍了隐写分析的原理,以及现有的信息隐藏检测算法,并对这些算法进行了评价。最后指出了信息隐藏检测技术未来发展的方向,以及发展前景。

Detection of hidden messages in images is foundation of steganalysis,which is of great importance for both the network information security and the improvement of security of steganographic algorithms. At the basis of steganographic algorithms based on spatial images ,this paper introduces the steganalysis principle and some detection methods ,then evaluates these methods.Finally,future direction in steganalysis development is pointed out,and prospect of steganalysis is expected.