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Transforming bi-dimensional sets of image pixels into mono-dimensional sequences with a Peano scan (PS) is an established technique enabling the use of hidden Markov chains (HMCs) for unsupervised image segmentation. Related Bayesian…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Clément Fernandes , Wojciech Pieczynski

This paper presents a novel approach to increase the performance bounds of image steganography under the criteria of minimizing distortion. The proposed approach utilizes a steganalysis convolutional neural network (CNN) framework to…

多媒体 · 计算机科学 2017-11-08 Mehdi Sharifzadeh , Chirag Agarwal , Mohammed Aloraini , Dan Schonfeld

In this paper, a novel data-driven information hiding scheme called generative steganography by sampling (GSS) is proposed. Unlike in traditional modification-based steganography, in our method the stego image is directly sampled by a…

多媒体 · 计算机科学 2019-07-23 Zhuo Zhang , Jia Liu , Yan Ke , Yu Lei , Jun Li , Minqing Zhang , Xiaoyuan Yang

Image foreground extraction is a classical problem in image processing and vision, with a large range of applications. In this dissertation, we focus on the extraction of text and graphics in mixed-content images, and design novel…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Shervin Minaee

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…

多媒体 · 计算机科学 2019-10-11 Hao Yang , Zhongliang Yang , YongJian Bao , Yongfeng Huang

Among steganalysis techniques, detection against motion vector (MV) domain-based video steganography in High Efficiency Video Coding (HEVC) standard remains a hot and challenging issue. For the purpose of improving the detection…

密码学与安全 · 计算机科学 2023-08-15 Jun Li , Minqing Zhang , Ke Niu , Yingnan Zhang , Xiaoyuan Yang

The hurried development of multimedia and internet allows for wide distribution of digital media data. It becomes much easier to edit, modify and duplicate digital information. In additional, digital document is also easy to copy and…

密码学与安全 · 计算机科学 2009-08-04 A. W. Naji , Shihab A. Hameed , B. B. Zaidan , Wajdi F. Al-Khateeb , Othman O. Khalifa , A. A. Zaidan , Teddy S. Gunawan

In this letter, we explored generative image steganography based on autoregressive models. We proposed Pixel-Stega, which implements pixel-level information hiding with autoregressive models and arithmetic coding algorithm. Firstly, one of…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Siyu Zhang , Zhongliang Yang , Haoqin Tu , Jinshuai Yang , Yongfeng Huang

Linguistic steganography (LS) conceals the presence of communication by embedding secret information into a text. How to generate a high-quality text carrying secret information is a key problem. With the widespread application of deep…

密码学与安全 · 计算机科学 2022-04-26 Xiaoyan Zheng , Hanzhou Wu

With the growth of communication over computer networks, how to maintain the confidentiality and security of transmitted information have become some of the important issues. In order to transfer data securely to the destination without…

多媒体 · 计算机科学 2016-04-05 Sanjeeb Kumar Behera , Minati Mishra

Audio steganography aims at concealing secret information in carrier audio with imperceptible modification on the carrier. Although previous works addressed the robustness of concealed message recovery against distortions introduced during…

声音 · 计算机科学 2022-02-21 Naoya Takahashi , Mayank Kumar Singh , Yuki Mitsufuji

The widespread application of audio communication technologies has speeded up audio data flowing across the Internet, which made it a popular carrier for covert communication. In this paper, we present a cross-modal steganography method for…

计算机视觉与模式识别 · 计算机科学 2021-01-07 Wenxue Cui , Shaohui Liu , Feng Jiang , Yongliang Liu , Debin Zhao

Data security is required when communications over untrusted networks takes place. Security tools such as cryptography and steganography are applied to achieve such objectives, but both have limitations and susceptible to attacks if they…

密码学与安全 · 计算机科学 2019-03-01 Sherief H. Murad , Amr M. Gody , Tamer M. Barakat

In recent years, there has been an increasing number of information hiding techniques based on network streaming media, focusing on how to covertly and efficiently embed secret information into real-time transmitted network media signals to…

密码学与安全 · 计算机科学 2024-11-22 Pengcheng Zhou , Zhengyang Fang , Zhongliang Yang , Zhili Zhou , Linna Zhou

Hiding information in network traffic may lead to leakage of confidential information. In this paper we introduce a new steganographic system: the PadSteg (Padding Steganography). To authors' best knowledge it is the first information…

密码学与安全 · 计算机科学 2010-07-06 Bartosz Jankowski , Wojciech Mazurczyk , Krzysztof Szczypiorski

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…

密码学与安全 · 计算机科学 2024-03-13 Hamza Kheddar , Mustapha Hemis , Yassine Himeur , David Megías , Abbes Amira

The advancement of secure communication and identity verification fields has significantly increased through the use of deep learning techniques for data hiding. By embedding information into a noise-tolerant signal such as audio, video, or…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Zihan Wang , Olivia Byrnes , Hu Wang , Ruoxi Sun , Congbo Ma , Huaming Chen , Qi Wu , Minhui Xue

Data steganography aims to conceal information within visual content, yet existing spatial- and frequency-domain approaches suffer from trade-offs between security, capacity, and perceptual quality. Recent advances in generative models,…

机器学习 · 计算机科学 2025-05-19 Tianshuo Zhang , Gao Jia , Wenzhe Zhai , Rui Yann , Xianglei Xing

Linguistic steganography aims to conceal information within natural language text without being detected. An effective steganography approach should encode the secret message into a minimal number of language tokens while preserving the…

信息论 · 计算机科学 2025-02-05 Yu-Shin Huang , Chao Tian , Krishna Narayanan , Lizhong Zheng

Steganography is the art and science of covert communication. The secret information can be concealed in content such as image, audio, or video. This paper provides a novel image steganography technique to hide both image and key in color…

密码学与安全 · 计算机科学 2013-04-12 Hemalatha S , U Dinesh Acharya , Renuka A , Priya R. Kamath