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A Parallel Algorithm to Hide an Image in an Image for Secured Steganography

  • N. Gopalakrishna KiniEmail author
  • Gautam
  • Vishwas G. Kini
Chapter
Part of the Studies in Computational Intelligence book series (SCI, volume 771)

Abstract

Recent developments in computer security have shown that compared to cryptography, steganography is a better way of securing messages. With the advantages offered by parallel computing platforms, a large secret image can be efficiently hidden in another image. This parallelism is achieved in steganography using the OpenCL parallel programming technique. The speed-up improvement obtained is very good with reasonably good output signal quality, even when a large amount of data is processed. The aim of this work is to analyze steganography algorithms and to show how the 24-bit color image of a carrier can be used to hide a secret image. We compare the results by calculating peak signal-to-noise ratio (PSNR), mean squared error (MSE), analysis of histogram and speedup achieved when a large amount of data is processed.

Keywords

Steganography Stego-image LSB parallel algorithm PSNR MSE Histogram 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • N. Gopalakrishna Kini
    • 1
    Email author
  • Gautam
    • 1
  • Vishwas G. Kini
    • 1
  1. 1.Department of CSEManipal Institute of Technology, Manipal Academy of Higher EducationManipalIndia

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