19 July 2013 Multi-class Markov models for JPEG steganalysis
Author Affiliations +
Proceedings Volume 8878, Fifth International Conference on Digital Image Processing (ICDIP 2013); 887847 (2013) https://doi.org/10.1117/12.2031619
Event: Fifth International Conference on Digital Image Processing, 2013, Beijing, China
Partially ordered Markov models based features were proposed in very recent years, which were shown to be quite effective in JPEG steganalysis. This paper presents an improvement of the original models. The proposed models here have two new characters. First, they are established on absolute values of coefficients instead of the values themselves. Second, the Markov models for coefficients were classified by comparing JPEG modes, not by directions. Besides, we recommended using Cartesian calibration technique to enhance the corresponding steganalytic features. Experimental results show that our proposed features outperform the original features, as well as some joint density features, in detecting several common steganographic algorithms.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hao Zhang, Hao Zhang, Xijian Ping, Xijian Ping, } "Multi-class Markov models for JPEG steganalysis", Proc. SPIE 8878, Fifth International Conference on Digital Image Processing (ICDIP 2013), 887847 (19 July 2013); doi: 10.1117/12.2031619; https://doi.org/10.1117/12.2031619


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