计算机科学 ›› 2014, Vol. 41 ›› Issue (6): 94-98.doi: 10.11896/j.issn.1002-137X.2014.06.019
汪磊,曾宪庭,苏金阳
WANG Lei,ZENG Xian-ting and SU Jin-yang
摘要： 为实现对以JPEG图像为载体的隐秘图像的高效检测,提出了一种基于多域特征的通用隐写分析算法。该算法结合两种不同校准方法在图像不同域中对原始载体图像的估计能力,分别从图像DCT域、空域和DWT域中提取特征向量,提高了特征向量对隐秘信息的敏感性,达到了隐秘图像的高效检测。实验结果表明,与现有几种典型的通用隐写分析算法相比,所提算法具有很好的检测效果且稳定性好、运算速度快。
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