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OOPAP and OPVD: Two Innovative Improvements for Hiding Secret Data Into Images

  • Ebrahim AnsariEmail author
  • Morteza Keshtkaran
  • Richard Wallace
  • S. M. H. Mirsadeghi
  • Fateme Ansari
Research Paper
  • 21 Downloads

Abstract

Information hiding methods are currently deployed by many security developers for various applications, hence the remarkable value of proposing an efficient and feasible information hiding method is essential. In this paper, two new implementations and algorithms are presented and compared with classic and related ones. First, a new implementation for the optimal pixel adjustment process (OPAP) algorithm has been developed entitled optimal OPAP (OOPAP). This new implementation improves upon the OPAP algorithm by using optimal least significant bit (LSB) substitution. Results of the new implementation demonstrate the efficiency of the new algorithm compared to previously implemented algorithms. Second, the optimal least significant bit LSB method is used to improve the pixel-value differencing (PVD) algorithm, called optimal PVD. Results show the efficiency of the new algorithm in comparison with classic PVD.

Keywords

Steganography Least significant bit Pixel-value differencing Optimal LSB substitution OPAP 

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Copyright information

© Shiraz University 2018

Authors and Affiliations

  1. 1.Department of Computer Science and Information TechnologyInstitute for Advanced Studies in Basic Sciences (IASBS)ZanjanIran
  2. 2.Research Center for Basic Sciences and Modern Technologies (RBST)Institute for Advanced Studies in Basic Sciences (IASBS)ZanjanIran
  3. 3.Department of Computer Science and EngineeringShiraz UniversityShirazIran
  4. 4.Distributed Systems Architecture Research GroupComplutense UniversityMadridSpain

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