Abstract：As an important aspect in the study of attacks against information hiding and the development of anti-attack techniques, this paper describes a method to compare a pair of perceptibly identical digital images or audio signals in order to single out the one that contains embedded hidden-information. By means of statistic analyses and comparison between the two signals, and making use of short-term correlativity in the space/time domain, three criteria are proposed, which are mutually complementary, and can be used in statistical tests to identify signals with embedded data. The experimental results are satisfactory.
张开文; 张新鹏; 王朔中. 图像及音频信号中隐蔽嵌入信息存在性的统计检验[J]. 电子与信息学报, 2003, 25(7): 871-877 .
Zhang Kaiwen; Zhang Xinpeng; Wang Shuozhong . Statistic test of hidden data existence in digital image and audio signals. , 2003, 25(7): 871-877 .
2003, Vol. 25 
