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Image steganography is the art of hiding information into a cover image. This paper presents a novel technique for Image steganography based on Block-DCT, where DCT is used to transform original image (cover image) blocks from spatial…

Multimedia · Computer Science 2010-07-15 A. Nag , S. Biswas , D. Sarkar , P. P. Sarkar

Steganography is one of the information hiding techniques, which conceals secret messages in cover media. Digital image and audio are the most studied cover media for steganography. However, so far, there is no research on steganography to…

Cryptography and Security · Computer Science 2021-10-22 Daewon Lee

Despite remarkable progress in steganography, embedding semantically rich, sentence-level information into carriers remains a challenging problem. In this work, we present a novel concept of Semantic Steganography, which aims to hide…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Huanqi Wu , Huangbiao Xu , Runfeng Xie , Jiaxin Cai , Kaixin Zhang , Xiao Ke

Image classification is an enthusiastic research field where large amount of image data is classified into various classes based on their visual contents. Researchers have presented various low-level features-based techniques for…

Multimedia · Computer Science 2015-10-09 Khan Muhammad , Irfan Mehmood , Mi Young Lee , Su Mi Ji , Sung Wook Baik

Data hiding with deep neural networks (DNNs) has experienced impressive successes in recent years. A prevailing scheme is to train an autoencoder, consisting of an encoding network to embed (or transform) secret messages in (or into) a…

Cryptography and Security · Computer Science 2022-10-06 Haoyu Chen , Linqi Song , Zhenxing Qian , Xinpeng Zhang , Kede Ma

Establishing hidden communication is an important subject of discussion that has gained increasing importance nowadays with the development of the internet. One of the key methods for establishing hidden communication is steganography.…

Multimedia · Computer Science 2011-03-07 G. Sahoo , Rajesh Kumar Tiwari

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…

Information Theory · Computer Science 2025-02-05 Yu-Shin Huang , Chao Tian , Krishna Narayanan , Lizhong Zheng

With the tremendous advancements in technology and the Internet, data security has become a major issue around the globe. To guarantee that data is protected and does not go to an unintended endpoint, the art of data hiding (steganography)…

Multimedia · Computer Science 2014-11-19 Fredrick R. Ishengoma

Side-informed steganography has always been among the most secure approaches in the field. However, a majority of existing methods for JPEG images use the side information, here the rounding error, in a heuristic way. For the first time, we…

Multimedia · Computer Science 2023-04-24 Jan Butora , Patrick Bas

In the ever-expanding digital landscape, safeguarding sensitive information remains paramount. This paper delves deep into digital protection, specifically focusing on steganography. While prior research predominantly fixated on individual…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Quang Nguyen , Truong Vu , Cuong Pham , Anh Tran , Khoi Nguyen

Generative steganography (GS) is an emerging technique that generates stego images directly from secret data. Various GS methods based on GANs or Flow have been developed recently. However, existing GAN-based GS methods cannot completely…

Multimedia · Computer Science 2023-09-07 Ping Wei , Qing Zhou , Zichi Wang , Zhenxing Qian , Xinpeng Zhang , Sheng Li

Steganography and steganalysis are two important branches of the information hiding field of research. Steganography methods consist in hiding information in such a way that the secret message is undetectable for the uninitiated.…

Multimedia · Computer Science 2016-08-23 Yousra A. Fadil , Jean-François Couchot , Raphaël Couturier , Christophe Guyeux

The capacity and security of the confidential message on the channel are two important challenges in steganography. In this paper, a new block steganography model is presented using the bargain method so that a competitive model is…

With the recent development of deep learning on steganalysis, embedding secret information into digital images faces great challenges. In this paper, a secure steganography algorithm by using adversarial training is proposed. The…

Multimedia · Computer Science 2018-04-24 Jianhua Yang , Kai Liu , Xiangui Kang , Edward K. Wong , Yun-Qing Shi

With data privacy becoming more of a necessity than a luxury in today's digital world, research on more robust models of privacy preservation and information security is on the rise. In this paper, we take a look at Natural Language…

Computation and Language · Computer Science 2022-03-15 Geetanjali Bihani , Julia Taylor Rayz

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…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Siyu Zhang , Zhongliang Yang , Haoqin Tu , Jinshuai Yang , Yongfeng Huang

Video steganography based on block structure, which embeds secret information by modifying Coding Unit (CU) block structure of I-frames, is currently a research hotspot. However, the existing algorithms still suffer from the limitation of…

Multimedia · Computer Science 2026-04-03 Xiang Zhang , Wen Jiang , Fei Peng , Wenbin Huang , Ziqiang Li , Zhangjie Fu

For the last several years, the embedding of hidden information by steganographic techniques in network communications is increasingly used by attackers in order to obscure data infiltration, exfiltration or command and control in IT…

Cryptography and Security · Computer Science 2024-06-28 Tom Neubert , Bjarne Peuker , Laura Buxhoidt , Eric Schueler , Claus Vielhauer

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,…

Machine Learning · Computer Science 2025-05-19 Tianshuo Zhang , Gao Jia , Wenzhe Zhai , Rui Yann , Xianglei Xing

Informally, steganography is the process of exchanging a secret message between two communicating entities so that an eavesdropper may not know that a message has been sent. After a review of some steganographic systems, we found that these…

Cryptography and Security · Computer Science 2015-06-16 Fabrice P. Tachago , Stephane G. R. Ekodeck , Rene Ndoundam
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