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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…

多媒体 · 计算机科学 2010-07-15 A. Nag , S. Biswas , D. Sarkar , P. P. Sarkar

With the rapid development of generative AI, image steganography has garnered widespread attention due to its unique concealment. Recent studies have demonstrated the practical advantages of Fixed Neural Network Steganography (FNNS),…

多媒体 · 计算机科学 2025-11-13 Yu Cheng , Jiuan Zhou , Jiawei Chen , Zhaoxia Yin , Xinpeng Zhang

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

All the existing image steganography methods use manually crafted features to hide binary payloads into cover images. This leads to small payload capacity and image distortion. Here we propose a convolutional neural network based…

多媒体 · 计算机科学 2017-11-21 Atique ur Rehman , Rafia Rahim , M Shahroz Nadeem , Sibt ul Hussain

Audio steganography is a collection of techniques for concealing the existence of information by embedding it within a non-secret audio, which is referred to as carrier. Distinct from cryptography, the steganography put emphasis on the…

多媒体 · 计算机科学 2019-07-12 Dengpan Ye , Shunzhi Jiang , Jiaqin Huang

Steganography conceals the secret message into the cover media, generating a stego media which can be transmitted on public channels without drawing suspicion. As its countermeasure, steganalysis mainly aims to detect whether the secret…

密码学与安全 · 计算机科学 2022-05-26 Yong Xu , Zhihua Xia , Zichi Wang , Xinpeng Zhang , Jian Weng

In today's digital age, the internet is essential for communication and the sharing of information, creating a critical need for sophisticated data security measures to prevent unauthorized access and exploitation. Cryptography encrypts…

密码学与安全 · 计算机科学 2024-04-12 Anamitra Maiti , Subham Laha , Rishav Upadhaya , Soumyajit Biswas , Vikas Chaudhary , Biplab Kar , Nikhil Kumar , Jaydip Sen

Traditional video steganography methods are based on modifying the covert space for embedding, whereas we propose an innovative approach that embeds secret message within semantic feature for steganography during the video editing process.…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Xueying Mao , Xiaoxiao Hu , Wanli Peng , Zhenliang Gan , Qichao Ying , Zhenxing Qian , Sheng Li , Xinpeng Zhang

To circumvent the unbridled and ever-encroaching surveillance and censorship in cyberspace, steganography has garnered attention for its ability to hide private information in innocent-looking carriers. Current provably secure steganography…

密码学与安全 · 计算机科学 2024-11-26 Minhao Bai , Jinshuai Yang , Kaiyi Pang , Xin Xu , Zhen Yang , Yongfeng Huang

Steganography is an information hiding technique for covert communication. The core issue in steganography design is the rate-distortion coding problem. Polar codes, which have been proven to achieve the rate-distortion bound for any binary…

密码学与安全 · 计算机科学 2025-06-10 Yujun Ji , Jinsheng Li , Ling Liu , Qi Cao , Tao Dai

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…

多媒体 · 计算机科学 2026-04-03 Xiang Zhang , Wen Jiang , Fei Peng , Wenbin Huang , Ziqiang Li , Zhangjie Fu

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

Steganography is the process of hiding secret information by embedding it in an "innocent" message. We present protocols for hiding quantum information in a codeword of a quantum error-correcting code passing through a channel. Using either…

量子物理 · 物理学 2013-05-29 Bilal A. Shaw , Todd A. Brun

Network steganography has been a well-known covert data channeling method for over three decades. The basic set of techniques and implementation tools have not changed significantly since their introduction in the early 1980's. In this…

多媒体 · 计算机科学 2016-04-12 James Collins , Sos Agaian

Steganography is the art and science of writing hidden messages in such a way that no one apart from the intended recipient knows of the existence of the message. In today's world, it is widely used in order to secure the information. In…

密码学与安全 · 计算机科学 2011-08-11 Tolga Mataracioglu , Unal Tatar

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…

Semantic communication (SemCom) has emerged as a key technology for the forthcoming sixth-generation (6G) network, attributed to its enhanced communication efficiency and robustness against channel noise. However, the open nature of…

信号处理 · 电气工程与系统科学 2024-04-19 Shunpu Tang , Chen Liu , Qianqian Yang , Shibo He , Dusit Niyato

In this paper, we introduce a graph representation learning architecture for spatial image steganalysis, which is motivated by the assumption that steganographic modifications unavoidably distort the statistical characteristics of the…

多媒体 · 计算机科学 2022-08-02 Qiyun Liu , Hanzhou Wu

The proliferation of digital carriers that can be exploited to conceal arbitrary data has greatly increased the number of techniques for implementing network steganography. As a result, the literature overlaps greatly in terms of concepts…

Currently, cryptography is in wide use as it is being exploited in various domains from data confidentiality to data integrity and message authentication. Basically, cryptography shuffles data so that they become unreadable by unauthorized…

密码学与安全 · 计算机科学 2012-12-11 Youssef Bassil