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A Framework of Secured and Bio-Inspired Image Steganography Using Chaotic Encryption with Genetic Algorithm Optimization (CEGAO)

  • Debiprasad Bandyopadhyay
  • Kousik Dasgupta
  • J. K. Mandal
  • Paramartha Dutta
  • Varun Kumar Ojha
  • Václav Snášel
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 303)

Abstract

The two key issues related to steganography techniques are, statistical undetectability and picture quality. Image steganography takes the advantage of limited power of Human Visual System (HVS). The proposed framework offers an approach of secure data hiding technique in digital images. Novel scheme, presented encrypts meaningful secret data using nonlinear dynamics (chaos theory) before embedding into host or cover image. A basic LSB embedding method is used for encrypting data into cover image. Genetic Algorithm based pixel adjustment process is used to reduce the difference of error between the host image and its stego version with low distortions. The results of proposed scheme are compared with other steganographic algorithm using Peak Signal to Noise Ratio (PSNR) and Structural Similarity (SSIM) index, color frequency test and StirMark analysis.

Keywords

Image Steganography Spatial Domain Dynamic System Chaotic Maps HVS Steganalysis 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Debiprasad Bandyopadhyay
    • 1
  • Kousik Dasgupta
    • 1
  • J. K. Mandal
    • 2
  • Paramartha Dutta
    • 3
  • Varun Kumar Ojha
    • 4
  • Václav Snášel
    • 4
  1. 1.Dept. of CSEKalyani Government Engineering CollegeKalyaniIndia
  2. 2.Dept. of CSEKalyani UniversityKalyaniIndia
  3. 3.Dept. of CSSVisva-Bharati UniversitySantiniketanIndia
  4. 4.IT4Innovations & Dept. of Computer ScienceVSB – Technical University of OstravaOstravaCzech Republic

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