Feature mining and neuro-fuzzy inference system for steganalysis of LSB matching stegangoraphy in grayscale images

  • Authors:
  • Qingzhong Liu;Andrew H. Sung

  • Affiliations:
  • Department of Computer Science, New Mexico Tech, Socorro, NM;Department of Computer Science, Institute for Complex Additive Systems Analysis, New Mexico Tech, Socorro, NM

  • Venue:
  • IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
  • Year:
  • 2007

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Abstract

In this paper, we present a scheme based on feature mining and neuro-fuzzy inference system for detecting LSB matching steganography in grayscale images, which is a very challenging problem in steganalysis. Four types of features are proposed, and a Dynamic Evolving Neural Fuzzy Inference System (DENFIS) based feature selection is proposed, as well as the use of Support Vector Machine Recursive Feature Elimination (SVM-RFE) to obtain better detection accuracy. In comparison with other well-known features, overall, our features perform the best. DENFIS outperforms some traditional learning classifiers. SVM-RFE and DENFIS based feature selection outperform statistical significance based feature selection such as t-test. Experimental results also indicate that it remains very challenging to steganalyze LSB matching steganography in grayscale images with high complexity.