Statistical and Visual Detection of Real Time Stego Images

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Reported in German newspaper by Sean Gallagher in 2012 that, digital steganography hides files in plain sight, concealed in image and media files. When a suspected al-Qaeda member was arrested in Berlin in May of 2011, he was found with a Memory card with a password-protected folder and the files with in it were hidden. But, as the, computer forensics experts from the German Federal Criminal Police (BKA) claim to have eventually uncovered its contents—what appeared to be a pornographic video called KickAss.“ Within that video, they discovered 141 separate text files, containing what officials claim are documents detailing al-Qaeda operations and plans for future operations—among them, three entitled Future Works, Lessons Learned, and Report on Operations. The above facts concludes that the hiding technique is becomes a vital tool for resulting the disaster from 1998 to till date. So it is important to work in improving the detection technique. Various approaches are discussed by the different researchers in the area of steganalysis.They are targetted Steganalysis and other is blind Steganalysis.

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