A Unified Steganalysis Framework
Final rept. 1 Feb 2009-30 Nov 2012
POLYTECHNIC UNIV BROOKLYN NY
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Steganalysis research is mainly motivated to investigate the possible features that yields highest accuracy in identifying cover objects subjected to steganographic embedding. Although design of better steganalysis techniques is a crucial goal, given the diversity of steganography techniques and their ever-increasing sophistication, it is not realistic to assume a single technique will outperform others in identifying all types of steganographic techniques. Therefore in practical application scenarios, these competing techniques have to be incorporate together. From this perspective, the most important goal of a steganalysis system, that combines many individual steganalysis techniques, is to improve performance. This project focused on real-world deployment of steganalysis systems. Motivated by this problem, we pursue two fundamental questions First, how to incorporate several steganalyzers together in a steganalysis system, and second, how to limit the testing cost of a steganalyzer.