FedSpy: A Secure Collaborative Speech Steganalysis Framework Based on Federated Learning

Deep learning brings the opportunity to achieve effective speech steganalysis in speech signals. However, the speech samples used to train speech steganalysis models (i.e., steganalyzers) are usually sensitive and distributed among different agencies, making it impractical to train an effective cent...

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Main Authors: Hui Tian, Huidong Wang, Hanyu Quan, Wojciech Mazurczyk, Chin-Chen Chang
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/12/13/2854
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author Hui Tian
Huidong Wang
Hanyu Quan
Wojciech Mazurczyk
Chin-Chen Chang
author_facet Hui Tian
Huidong Wang
Hanyu Quan
Wojciech Mazurczyk
Chin-Chen Chang
author_sort Hui Tian
collection DOAJ
description Deep learning brings the opportunity to achieve effective speech steganalysis in speech signals. However, the speech samples used to train speech steganalysis models (i.e., steganalyzers) are usually sensitive and distributed among different agencies, making it impractical to train an effective centralized steganalyzer. Therefore, in this paper, we present an effective framework, named FedSpy, using federated learning, which enables multiple agencies to securely and jointly train the speech steganalysis models without sharing their speech samples. FedSpy is a flexible and extensible framework that can work effectively in conjunction with various deep-learning-based speech steganalysis methods. We evaluate the performance of FedSpy by detecting the most widely used Quantization Index Modulation-based speech steganography with three state-of-the-art deep-learning-based steganalysis methods representatively. The results show that FedSpy significantly outperforms the local steganalyzers and achieves good detection accuracy comparable to the centralized steganalyzer.
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spelling doaj.art-35422b8372234eaf8f9b32155eba964e2023-11-18T16:24:23ZengMDPI AGElectronics2079-92922023-06-011213285410.3390/electronics12132854FedSpy: A Secure Collaborative Speech Steganalysis Framework Based on Federated LearningHui Tian0Huidong Wang1Hanyu Quan2Wojciech Mazurczyk3Chin-Chen Chang4College of Computer Science and Technology, National Huaqiao University, Xiamen 361021, ChinaCollege of Computer Science and Technology, National Huaqiao University, Xiamen 361021, ChinaCollege of Computer Science and Technology, National Huaqiao University, Xiamen 361021, ChinaInstitute of Computer Science, Warsaw University of Technology, 00-665 Warszawa, PolandDepartment of Information and Computer Science, Feng Chia University, Taichung 40724, TaiwanDeep learning brings the opportunity to achieve effective speech steganalysis in speech signals. However, the speech samples used to train speech steganalysis models (i.e., steganalyzers) are usually sensitive and distributed among different agencies, making it impractical to train an effective centralized steganalyzer. Therefore, in this paper, we present an effective framework, named FedSpy, using federated learning, which enables multiple agencies to securely and jointly train the speech steganalysis models without sharing their speech samples. FedSpy is a flexible and extensible framework that can work effectively in conjunction with various deep-learning-based speech steganalysis methods. We evaluate the performance of FedSpy by detecting the most widely used Quantization Index Modulation-based speech steganography with three state-of-the-art deep-learning-based steganalysis methods representatively. The results show that FedSpy significantly outperforms the local steganalyzers and achieves good detection accuracy comparable to the centralized steganalyzer.https://www.mdpi.com/2079-9292/12/13/2854speech steganalysisspeech steganographyfederated learning
spellingShingle Hui Tian
Huidong Wang
Hanyu Quan
Wojciech Mazurczyk
Chin-Chen Chang
FedSpy: A Secure Collaborative Speech Steganalysis Framework Based on Federated Learning
Electronics
speech steganalysis
speech steganography
federated learning
title FedSpy: A Secure Collaborative Speech Steganalysis Framework Based on Federated Learning
title_full FedSpy: A Secure Collaborative Speech Steganalysis Framework Based on Federated Learning
title_fullStr FedSpy: A Secure Collaborative Speech Steganalysis Framework Based on Federated Learning
title_full_unstemmed FedSpy: A Secure Collaborative Speech Steganalysis Framework Based on Federated Learning
title_short FedSpy: A Secure Collaborative Speech Steganalysis Framework Based on Federated Learning
title_sort fedspy a secure collaborative speech steganalysis framework based on federated learning
topic speech steganalysis
speech steganography
federated learning
url https://www.mdpi.com/2079-9292/12/13/2854
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AT huidongwang fedspyasecurecollaborativespeechsteganalysisframeworkbasedonfederatedlearning
AT hanyuquan fedspyasecurecollaborativespeechsteganalysisframeworkbasedonfederatedlearning
AT wojciechmazurczyk fedspyasecurecollaborativespeechsteganalysisframeworkbasedonfederatedlearning
AT chinchenchang fedspyasecurecollaborativespeechsteganalysisframeworkbasedonfederatedlearning