Steganalysis Technique on Gray Scale Image by Varying Message Length using Adaptive Histogram Equalization Attack

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considered as a technique for secret communication without knowing the others and only an authorized user can access the information which is embedding in the cover medium. Steganalysis is the process to detect of presence of Steganography and to destroy, extract it. In this Paper There is Adaptive Histogram Equalization Technique that performed on the Stego Image that is category of the Histogram Equalization attack and measuring the quality of Image after applying the Attack.