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Image steganography, defined as the practice of concealing information within another image, traditionally encounters security challenges when its methods become publicly known or are under attack. To address this, a novel private key-based…

Multimedia · Computer Science 2024-01-19 Hang Yang , Yitian Xu , Xuhua Liu

Aiming to minimize service delay, we propose a new random caching scheme in device-to-device (D2D)-assisted heterogeneous network. To support diversified viewing qualities of multimedia video services, each video file is encoded into a base…

Networking and Internet Architecture · Computer Science 2021-07-07 Xuewei Zhang , Tiejun Lv , Yuan Ren , Wei Ni , Norman C. Beaulieu

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 embeds secret messages in seemingly innocuous carriers for covert communication under surveillance. Current Provably Secure Steganography (PSS) schemes based on language models can guarantee computational indistinguishability…

Cryptography and Security · Computer Science 2026-04-30 Kaiyi Pang , Minhao Bai

Motivated by the work of Uehara et al. [1], an improved method to recover DC coefficients from AC coefficients of DCT-transformed images is investigated in this work, which finds applications in cryptanalysis of selective multimedia…

Multimedia · Computer Science 2015-03-13 Shujun Li , Junaid Jameel Ahmad , Dietmar Saupe , C. -C. Jay Kuo

Computer-generated holography (CGH) is a promising technology for next-generation displays. However, generating high-speed, high-quality holographic video requires both high frame rate display and efficient computation, but is constrained…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Haomiao Zhang , Miao Cao , Xuan Yu , Hui Luo , Yanling Piao , Mengjie Qin , Zhangyuan Li , Ping Wang , Xin Yuan

We propose a simple universal (that is, distribution--free) steganographic system in which covertexts with and without hidden texts are statistically indistinguishable. The stegosystem can be applied to any source generating i.i.d.…

Cryptography and Security · Computer Science 2007-05-23 Boris Ryabko , Daniil Ryabko

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…

Cryptography and Security · Computer Science 2022-04-26 Xiaoyan Zheng , Hanzhou Wu

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

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…

This paper investigates the detectability of popular imagein-image steganography schemes [1, 2, 3, 4, 5]. In this paradigm, the payload is usually an image of the same size as the Cover image, leading to very high embedding rates. We first…

Cryptography and Security · Computer Science 2026-03-13 Antoine Mallet , Patrick Bas

We propose different approaches of PDF files based steganography, essentially based on the Chinese Remainder Theorem. Here, after a cover PDF document has been released from unnecessary A0, a secret message is hidden in it using one of the…

Cryptography and Security · Computer Science 2015-06-04 Rene Ndoundam , Stephane Gael Raymond Ekodeck

Steganographic protocols enable one to embed covert messages into inconspicuous data over a public communication channel in such a way that no one, aside from the sender and the intended receiver, can even detect the presence of the secret…

Cryptography and Security · Computer Science 2012-02-06 Aggelos Kiayias , Alexander Russell , Narasimha Shashidhar

Authentication mechanisms are at the forefront of defending the world from various types of cybercrime. Steganography can serve as an authentication solution through the use of a digital signature embedded in a carrier object to ensure the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Ching-Chun Chang

Data hiding such as steganography and invisible watermarking has important applications in copyright protection, privacy-preserved communication and content provenance. Existing works often fall short in either preserving image quality, or…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Tu Bui , Shruti Agarwal , Ning Yu , John Collomosse

In recent years, differential privacy has seen significant advancements in image classification; however, its application to video activity recognition remains under-explored. This paper addresses the challenges of applying differential…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Zelun Luo , Yuliang Zou , Yijin Yang , Zane Durante , De-An Huang , Zhiding Yu , Chaowei Xiao , Li Fei-Fei , Animashree Anandkumar

A Previously traditional methods were sufficient to protect the information, since it is simplicity in the past does not need complicated methods but with the progress of information technology, it become easy to attack systems, and…

Cryptography and Security · Computer Science 2010-02-12 Rafiqul Islam , A. W. Naji , A. A. Zaidan , B. B. Zaidan

As wireless video transmission is the fastest-growing form of data traffic, methods for spectrally efficient video on-demand wireless streaming are essential to service providers and users alike. A key property of video on-demand is the…

Information Theory · Computer Science 2016-11-17 Mingyue Ji , Giuseppe Caire , Andreas F. Molisch

Caching at the wireless edge can be used to keep up with the increasing demand for high-definition wireless video streaming. By prefetching popular content into memory at wireless access points or end-user devices, requests can be served…

Information Theory · Computer Science 2019-12-03 Parisa Hassanzadeh , Antonia M. Tulino , Jaime Llorca , Elza Erkip

This paper performs the feasibility study of stochastic video streaming algorithms with up-to-date 4K ultra-high-definition (UHD) video traces. In previous work, various stochastic video streaming algorithms were proposed which maximize…

Networking and Internet Architecture · Computer Science 2015-11-18 Joongheon Kim , Eun-Seok Ryu
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