Implementation of Various Techniques in Steganography and Steganalysis

Abstract

There could be some important data that need to be secured (hide) during transmission. Therefore, how to
hide the secret messages during transmission becomes an important research issue. Steganography provides a kind of
data hiding method that conceals the existence of the secret messages in the media. Today Steganography are mostly
used for hiding a data. An image is selected as the media to hide the secret message (text) in it. Steganography
techniques have led to an increased interest in Steganalysis techniques. Steganalysis techniques are nothing but
investigation of hidden information.
In this work, my goal is to compare a number of steganalysis techniques. Here I go to discuss & implement some of many
well known embedding techniques/methods which are used in steganography like spatial domain techniques & transform
domain Techniques. I have implemented hide & seek algorithm based on LSB in spatial domain and JSteg, OutGuess
based on DCT in transform domain. Here I also discuss about their capacity, delectability (perceptibility), robustness to
attacks and their histogram based on results of implementation. I have also implemented some of basic steganalytical
schemes associated with "targeted" steganalysis, including visual and statistical attacks