Detection Of Steganography In Still Images

Steganography as a safe communication means is increasingly widespread applied. But it may also be used by illegal even terrorists to endangering nation and society, which is a threat to public safety. Therefore, understanding and controlling information in internet is of great practical significance. Steganography detection is to detect information in internet to determine whether concealing information exists.Because of the enormous carriers through networks, minor changes in the methods performance will lead to dramatical fluctuate in workload. Therefore, improving detection means and enhancing correct rate is of great reality effect. The purpose of this thesis is to found sensitive and practical methods. The main work of the thesis are : 1. Some natures and classification of Still images being introduced briefly , also several representative steganographic methods and their typical steganalysis being analyzed, with focus on steganalysis and detection of...