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Multi Bit Plane Image Steganography

  • Bui Cong Nguyen
  • Sang Moon Yoon
  • Heung-Kyu Lee
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4283)

Abstract

This paper addresses a novel steganography method for images. Most statistical steganalysis algorithms are strong to defeat previous steganography algorithms. RS steganalysis and pixel difference histogram analysis are two well-known statistical steganalysis algorithms which detect non-random changes caused by embedding a secret message into cover image. In this paper, we first explain how two steganalysis algorithms exploit the effect of the non-random changes and then propose a new steganography method that avoids the non-random changes to evade statistical analysis methods. For this purpose, we adjust the embedding process to be more adaptive to cover image by considering embedding in Gray code bit planes, not natural binary bit planes, of cover images, and two parameters: (1) similarity threshold for selecting non-flat area in lower bit planes, and (2) size of flat blocks n×n in embedding bit planes. Experimental results show that the secret messages embedded by our method are undetectable under RS steganalysis and pixel difference histogram analysis.

Keywords

Cover Image Secret Message Histogram Analysis Embed Image Steganalysis Method 
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 2006

Authors and Affiliations

  • Bui Cong Nguyen
    • 1
  • Sang Moon Yoon
    • 1
  • Heung-Kyu Lee
    • 1
  1. 1.Department of EECSKorea Advanced Institute of Science and TechnologyDaejeonRepublic of Korea

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