Study of Various Techniques of Steganography and Steganalysis

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Dr Govind N Sarage


Steganography and steganalysis are important tools that allows transmission of information over and over communications channel. The purpose of steganographic communication is to hide the mere existence of a secret message. Steganography refers to the technology of hiding data into digital media without drawing any suspicion, while steganalysis is the art of detecting the presence of steganography. This paper provides a brief study on steganography and steganalysis for digital images, mainly covering the fundamental concepts, the various techniques. Some commonly used techniques for improving steganographic security and enhancing steganalytic capability are summarized and possible research trends are discussed.


Keywords: Steganography, Steganalysis, Data hiding, Security, Cryptography.


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