Journal
IEEE SIGNAL PROCESSING LETTERS
Volume 28, Issue -, Pages 1510-1514Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LSP.2021.3097241
Keywords
Feature extraction; Training; Bit error rate; Transfer learning; Social networking (online); Knowledge engineering; Task analysis; Text steganalysis; transfer learning; knowledge distillation; pre-trained BERT
Categories
Funding
- National Natural Science Foundation of China [61872368, 61802410]
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This paper proposes an effective and real-time text steganalysis method based on multi-stage transfer learning to enhance inference efficiency and detection performance simultaneously. The experimental results show that the proposed method outperforms previously reported methods in terms of detection accuracy and inference efficiency.
With the extensive use of texts on social network, text steganography, which protects several sensitive messages by embedding secret data into normal texts, has attracted widespread attention. As an adversary, text steganalysis which reveals the existence of hidden messages is also important. Recently, Deep Neural Networks (DNNs) have led to significant improvements in text steganalysis. However, the deeper and wider DNNs cause the increase of inference time, which restricts the practicality of text steganalysis. In this paper, we propose an effective and real-time text steganalysis method based on multi-stage transfer learning to enhance inference efficiency and detection performance simultaneously. The experimental results show that the proposed text steganalysis method can outperform previously reported methods in terms of detection accuracy and inference efficiency.
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