Steganography: Secret Data Hiding in Multimedia

Chapter
First Online:
Part of the Signals and Communication Technology book series (SCT)

Abstract

Steganography is the technique of hiding confidential information within multi-media. People often get confused among steganography and cryptography because both of them are similar in the way that they are used to protect confidential information. The difference between the two is in the appearance in the processed output; the output of steganography operation is not apparently visible but in cryptography the output is scrambled so that it can draw attention

Keywords

Cover Image Markov Random Field Intrusion Detection System Secret Message Secret Image 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Image Processing Lab CDAC, KolkattaMinistry of Communication and ITKolkattaIndia
  2. 2.Imaging Tech Lab, Engineering and R&DHCL Technologies Ltd.ChennaiIndia

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