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Previous VoIP steganalysis methods face great challenges in detecting speech signals at low embedding rates, and they are also generally difficult to perform real-time detection, making them hard to truly maintain cyberspace security. To…

Multimedia · Computer Science 2019-02-05 Zhongliang Yang , Hao Yang , Yuting Hu , Yongfeng Huang , Yu-Jin Zhang

In this letter, we present a novel and extremely fast steganalysis method of Voice over IP (VoIP) streams, driven by the need for a quick and accurate detection of possible steganography in VoIP streams. We firstly analyzed the correlations…

Multimedia · Computer Science 2020-04-22 Hao Yang , ZhongLiang Yang , YongJian Bao , YongFeng Huang

Steganalysis methods based on deep learning (DL) often struggle with computational complexity and challenges in generalizing across different datasets. Incorporating a graph neural network (GNN) into steganalysis schemes enables the…

Cryptography and Security · Computer Science 2025-09-29 Mustapha Hemis , Hamza Kheddar , Mohamed Chahine Ghanem , Bachir Boudraa

The paper concerns available steganographic techniques that can be used for creating covert channels for VoIP (Voice over Internet Protocol) streams. Apart from characterizing existing steganographic methods we provide new insights by…

Multimedia · Computer Science 2008-08-25 Wojciech Mazurczyk , Krzysztof Szczypiorski

In this article, one of the most important methods of steganography on VoIP called echo hiding is improved. This method has advantages in maintaining the statistical and perceptual characteristics of audio signals as well as security…

Cryptography and Security · Computer Science 2021-02-16 Haniyeh Rafiee , Mohammad Fakhredanesh

With the Volume of Voice over IP (VoIP) traffic rises shapely, more and more VoIP-based steganography methods have emerged in recent years, which poses a great threat to the security of cyberspace. Low bit-rate speech codecs are widely used…

Multimedia · Computer Science 2019-10-11 Hao Yang , Zhongliang Yang , YongJian Bao , Yongfeng Huang

The growing use of information hiding in network streaming media for covert communication poses a significant security threat, necessitating the development of robust detection technologies. However, existing steganalysis methods for…

Cryptography and Security · Computer Science 2026-05-22 Pengcheng Zhou , Pianran Guo , Shuhua Chen , Mengqin Zhao , Zhongliang Yang , Linna Zhou

In the last few years, steganography has attracted increasing attention from a large number of researchers since its applications are expanding further than just the field of information security. The most traditional method is based on…

Cryptography and Security · Computer Science 2021-02-19 Quang Pham Huu , Thoi Hoang Dinh , Ngoc N. Tran , Toan Pham Van , Thanh Ta Minh

Active research is going on to securely transmit a secret message or so-called steganography by using data-hiding techniques in digital images. After assessing the state-of-the-art research work, we found, most of the existing solutions are…

Cryptography and Security · Computer Science 2024-09-02 Dipnarayan Das , Asha Durafe , Vinod Patidar

Steganography and steganalysis are two interrelated aspects of the field of information security. Steganography seeks to conceal communications, whereas steganalysis is aimed to either find them or even, if possible, recover the data they…

Cryptography and Security · Computer Science 2024-03-13 Hamza Kheddar , Mustapha Hemis , Yassine Himeur , David Megías , Abbes Amira

TranSteg (Trancoding Steganography) is a fairly new IP telephony steganographic method that functions by compressing overt (voice) data to make space for the steganogram by means of transcoding. It offers high steganographic bandwidth,…

Cryptography and Security · Computer Science 2012-10-23 Artur Janicki , Wojciech Mazurczyk , Krzysztof Szczypiorski

Recently, merging signal processing techniques with information security services has found a lot of attention. Steganography and steganalysis are among those trends. Like their counterparts in cryptology, steganography and steganalysis are…

Multimedia · Computer Science 2018-04-04 Hamzeh Ghasemzadeh , Mohammad H. Kayvanrad

Steganography is a method that can improve network security and make communications safer. In this method, a secret message is hidden in content like audio signals that should not be perceptible by listening to the audio or seeing the…

Multimedia · Computer Science 2020-04-28 Noshin Amiri , Iman Naderi

The widespread application of audio and video communication technology make the compressed audio data flowing over the Internet, and make it become an important carrier for covert communication. There are many steganographic schemes emerged…

Multimedia · Computer Science 2019-02-27 Yanzhen Ren , Dengkai Liu , Qiaochu Xiong , Jianming Fu , Lina Wang

Steganography algorithms facilitate communication between a source and a destination in a secret manner. This is done by embedding messages/text/data into images without impacting the appearance of the resultant images/videos. Steganalysis…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Farid Ghareh Mohammadi , Farzan Shenavarmasouleh , M. Hadi Amini , Hamid R. Arabnia

Despite the rapid progress of deep learning in video action recognition (VAR) in recent years, privacy leakage in videos remains a critical concern. Current state-of-the-art privacy-preserving methods often rely on anonymization. These…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Lixin Chen , Chaomeng Chen , Jiale Zhou , Zhijian Wu , Xun Lin

Steganography is a technique for covert communication between two parties. With the rapid development of deep neural networks (DNN), more and more steganographic networks are proposed recently, which are shown to be promising to achieve…

Cryptography and Security · Computer Science 2023-03-01 Guobiao Li , Sheng Li , Meiling Li , Xinpeng Zhang , Zhenxing Qian

Image steganalysis, which aims at detecting secret information concealed within images, has become a critical countermeasure for assessing the security of steganography methods, especially the emerging invertible image hiding approaches.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Hao Wang , Yiming Yao , Yaguang Xie , Tong Qiao , Zhidong Zhao

Digital steganography is becoming a common tool for protecting sensitive communications in various applications such as crime(terrorism) prevention whereby law enforcing personals need to remotely compare facial images captured at the scene…

Multimedia · Computer Science 2020-04-28 Alan A. Abdulla , Harin Sellahewa , Sabah A. Jassim

Secure data hiding remains a fundamental challenge in digital communication, requiring a careful balance between computational efficiency and perceptual transparency. The balance between security and performance is increasingly fragile with…

Cryptography and Security · Computer Science 2025-11-11 Biswajit Kumar Sahoo , Pedro Machado , Isibor Kennedy Ihianle , Andreas Oikonomou , Srinivas Boppu
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