本文对隐写分析技术的应用及国内外研究进展做了综述。首先简单介绍了隐写分析的应用及主要的传统算法，对其优缺点进行总结。然后介绍了近年来出现的新方法和这一领域目前的研究热点和方向。

This paper provides a review on steganalysis technology. Firstly the application of steganalysis and important algorithms are introduced, the advantages and disadvantages of traditional algorithms are also discussed. Finally some recently proposed methods are introduced, followed by a summary of open issues.