Generalised category attack: improving histogram-based attack on JPEG LSB embedding

  • Authors:
  • Kwangsoo Lee;Andreas Westfeld;Sangjin Lee

  • Affiliations:
  • Center for Information Security Technologies, Korea University, Seoul, Korea;Technische Universität Dresden, Institute for System Architecture, Dresden, Germany;Center for Information Security Technologies, Korea University, Seoul, Korea

  • Venue:
  • IH'07 Proceedings of the 9th international conference on Information hiding
  • Year:
  • 2007

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Abstract

We present a generalised and improved version of the category attack on LSB steganography in JPEG images with straddled embedding path. It detects more reliably low embedding rates and is also less disturbed by double compressed images. The proposed methods are evaluated on several thousand images. The results are compared to both recent blind and specific attacks for JPEG embedding. The proposed attack permits a more reliable detection, although it is based on first order statistics only. Its simple structure makes it very fast.