Secure Cover Selection Steganography

  • Authors:
  • Hedieh Sajedi;Mansour Jamzad

  • Affiliations:
  • Computer Engineering Department, Sharif university of Technology, Tehran, Iran;Computer Engineering Department, Sharif university of Technology, Tehran, Iran

  • Venue:
  • ISA '09 Proceedings of the 3rd International Conference and Workshops on Advances in Information Security and Assurance
  • Year:
  • 2009

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Abstract

This paper presents a cover selection steganography method based on introduction of a technique for computing steganography capacity as a property of images. An ensemble system that uses different steganalyzer units, determines the upper bound of embedding rate in a cover image. In this technique, each steganalyzer unit is a combination of multiple steganalyzers with a same type but each one trained to detect stego images with a certain payload. Our proposed method minimizes the risk of detection by selecting a proper cover image that its steganography capacity is sufficient to hide a specific secret data securely. Experimental results demonstrate the efficiency and practicability of the proposed technique in enhancing the security of stego images.