| Audio steganalysis based on ＂negative resonance phenomenon＂ caused by steganographic tools |
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| 作者姓名： | RU Xue-min ZHUANG Yue-ting WU Fei |
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| 作者单位： | Institute of Artificial Intelligence，Zhejiang University，Hangzhou 310027，China |
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| 基金项目： | Project (No. 60272031) supported by the National Natural ScienceFoundation of China |
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| 摘 要： | INTRODUCTION With the rapid progress in the Internet and ex- panded area of multimedia technology, steganogra- phy and steganalysis as subfields of information se- curity have developed rapidly and drawn more and more attention. Steganography is the art of hiding and transmitting data through apparently innocuous car- riers in an effort to conceal the existence of the secret data (Peticolas et al., 1999). While steganalysis, the countermeasure to steganography, is an art that de- tects ev…
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| 关 键 词： | 支撑向量机 线性预报 共振 SVM 视听设备 |
| 收稿时间： | 2005-07-28 |
| 修稿时间： | 2005-11-18 |
Audio steganalysis based on “negative resonance phenomenon” caused by steganographic tools |
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| RU Xue-min ZHUANG Yue-ting WU Fei.Audio steganalysis based on “negative resonance phenomenon” caused by steganographic tools[J].Journal of Zhejiang University Science,2006,7(4):577-583. |
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| Authors: | Xue-min Ru Yue-ting Zhuang Fei Wu |
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| Institution: | (1) Institute of Artificial Intelligence, Zhejiang University, Hangzhou, 310027, China |
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| Abstract: | Researching on the impact different steganographic software tools have audio statistical features, revealed the phenomenon
that when messages are embedded in a WAV file by using a certain tool, the variation of statistical features in the WAV file
which already contains messages embedded by the same tool is abruptly smaller than those in which messages have not been embedded.
We call it “negative resonance phenomenon” temporarily. With the phenomenon above and Support Vector Machines (SVMs), we can
detect the existence of hidden messages, and also identify the tools used to hide them. As shown by the experimental results,
the proposed method can be very effectively used to detect hidden messages embedded by Hide4PGP, Stegowav and S-Tools4.
Project (No. 60272031) supported by the National Natural Science Foundation of China |
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| Keywords: | Audio steganalysis Linear prediction Support Vector Machine (SVM) |
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