ALASKA 2 Steganalysis Challenge

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ALASKA 2 Steganalysis Challenge

Steganography is the art and science of hiding data within media while its counterpart, steganalysis, refers to all methods that aims at detecting media used to transmit hidden data. Those two form a cat-and-mouse game since steganography aims at modifying the media to remain as stealth as possible and steganalysis aims at fight back by improving detection accuracy.  Most of the work in those fields are based on specific dataset and application in the “real world” of current state-of-the-art steganalysis techniques is hardly possible. The present challenge aims at pushing the community towards the study of detection of very weak signals covered by cover signals that are very heterogeneous. The application in terms of steganalysis will get closer to the “real world” by using a wide range of 40 different cameras and a very broad randomized image processing pipeline, producing images highly heterogeneous among which competitors must watch which are the one used for hiding data.
Technical Committee: Information Forensics and Security

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