Multi-class Blind Steganalysis Based on Image Run-Length Analysis

  • Authors:
  • Jing Dong;Wei Wang;Tieniu Tan

  • Affiliations:
  • National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing;National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing;National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing

  • Venue:
  • IWDW '09 Proceedings of the 8th International Workshop on Digital Watermarking
  • Year:
  • 2009

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Abstract

In this paper, we investigate our previously developed run-length based features for multi-class blind image steganalysis. We construct a Support Vector Machine classifier for multi-class recognition for both spatial and frequency domain based steganographic algorithms. We also study hierarchical and non-hierarchical multi-class schemes and compare their performance for steganalysis. Experimental results demonstrate that our approach is able to classify different stego images according to their embedding techniques based on appropriate supervised learning. It is also shown that the hierarchical scheme performs better in our experiments.