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As the multimedia and internet technologies are growing fast, the transmission of digital media plays an important role in communication. The various digital media like audio, video and images are being transferred through internet. There…

Multimedia · Computer Science 2010-04-13 P. Mohan Kumar , K. L. Shunmuganathan

Linguistic steganography based on language models typically assumes that steganographic texts are transmitted without alteration, making them fragile to even minor modifications. While previous work mitigates this fragility by limiting the…

Computation and Language · Computer Science 2026-04-14 Ruiyi Yan , Shiao Meng , Yugo Murawaki

In modern social networks, existing style transfer methods suffer from a serious content leakage issue, which hampers the ability to achieve serial and reversible stylization, thereby hindering the further propagation of stylized images in…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Xiujian Liang , Bingshan Liu , Qichao Ying , Zhenxing Qian , Xinpeng Zhang

Low-density parity-check (LDPC) codes together with belief propagation (BP) decoding yield exceptional error correction capabilities in the large block length regime. Yet, there remains a gap between BP decoding and maximum likelihood…

Information Theory · Computer Science 2025-01-22 Jonathan Mandelbaum , Holger Jäkel , Laurent Schmalen

Steganography is a solution for covert communication and blockchain is a p2p network for data transmission, so the benefits of blockchain can be used in steganography. In this paper, we discuss the advantages of blockchain in steganography,…

Cryptography and Security · Computer Science 2021-01-11 Omid Torki , Maede Ashouri-Talouki , Mojtaba Mahdavi

Linguistic steganography enables covert communication through embedding secret messages into innocuous texts; however, current methods face critical limitations in payload capacity and security. Traditional modification-based methods…

Cryptography and Security · Computer Science 2025-10-28 Jun Jiang , Weiming Zhang , Nenghai Yu , Kejiang Chen

Steganography, the art of information hiding, has continually evolved across visual, auditory and linguistic domains, adapting to the ceaseless interplay between steganographic concealment and steganalytic revelation. This study seeks to…

Robotics · Computer Science 2025-01-09 Ching-Chun Chang , Yijie Lin , Isao Echizen

Correcting scan-positional errors is critical in achieving electron ptychography with both high resolution and high precision. This is a demanding and challenging task due to the sheer number of parameters that need to be optimized. For…

Other Condensed Matter · Physics 2022-11-08 Shoucong Ning , Wenhui Xu , Leyi Loh , Zhen Lu , Michel Bosman , Fucai Zhang , Qian He

In 2018, Yang et al. introduced a novel and effective approach, using maximum distance separable (MDS) codes, to mitigate the impact of elasticity in cloud computing systems. This approach is referred to as coded elastic computing. Some…

Information Theory · Computer Science 2024-01-23 Xi Zhong , Joerg Kliewer , Mingyue Ji

To study how to design steganographic algorithm more efficiently, a new coding problem -- steganographic codes (abbreviated stego-codes) -- is presented in this paper. The stego-codes are defined over the field with $q(q\ge2)$ elements.…

Cryptography and Security · Computer Science 2009-09-29 Weiming Zhang , Shiqu Li

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…

Cryptography and Security · Computer Science 2010-07-06 Bartosz Jankowski , Wojciech Mazurczyk , Krzysztof Szczypiorski

Message hiding, a technique that conceals secret message bits within a cover image, aims to achieve an optimal balance among message capacity, recovery accuracy, and imperceptibility. While convolutional neural networks have notably…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Gao Yu , Qiu Xuchong , Ye Zihan

In this paper, we propose an efficient reliability based segmentation-discarding decoding (SDD) algorithm for short block-length codes. A novel segmentation-discarding technique is proposed along with the stopping rule to significantly…

Information Theory · Computer Science 2019-01-23 Chentao Yue , Mahyar Shirvanimoghaddam , Yonghui Li , Branka Vucetic

We present two novel federated learning (FL) schemes that mitigate the effect of straggling devices by introducing redundancy on the devices' data across the network. Compared to other schemes in the literature, which deal with stragglers…

Machine Learning · Computer Science 2022-06-06 Reent Schlegel , Siddhartha Kumar , Eirik Rosnes , Alexandre Graell i Amat

The aim of steganographic algorithms is to identify the appropriate pixel positions in the host or cover image, where bits of sensitive information can be concealed for data encryption. Work is being done to improve the capacity to…

Cryptography and Security · Computer Science 2023-12-15 Sahil Nokhwal , Saurabh Pahune , Ankit Chaudhary

LSB steganography is a one of the most widely used methods for implementing covert data channels in image file exchanges [1][2]. The low computational complexity and implementation simplicity of the algorithm are significant factors for its…

Multimedia · Computer Science 2016-06-09 James Collins , Sos Agaian

In the face of escalating surveillance and censorship within the cyberspace, the sanctity of personal privacy has come under siege, necessitating the development of steganography, which offers a way to securely hide messages within…

Cryptography and Security · Computer Science 2025-01-03 Minhao Bai , Jinshuai Yang , Kaiyi Pang , Yongfeng Huang , Yue Gao

In this work, we propose a method for speeding up linear regression distributively, while ensuring security. We leverage randomized sketching techniques, and improve straggler resilience in asynchronous systems. Specifically, we apply a…

Information Theory · Computer Science 2022-02-23 Neophytos Charalambides , Hessam Mahdavifar , Mert Pilanci , Alfred O. Hero

For stegoschemes arising from error correcting codes, embedding depends on a decoding map for the corresponding code. As decoding maps are usually not complete, embedding can fail. We propose a method to ensure or increase the probability…

Information Theory · Computer Science 2013-02-11 Morgan Barbier , Carlos Munuera

Sign Gradient Descent (SignGD) is a simple yet robust optimization method, widely used in machine learning for its resilience to gradient noise and compatibility with low-precision computations. While its empirical performance is well…

Optimization and Control · Mathematics 2025-08-27 Valentin Leplat , Sergio Mayorga , Roland Hildebrand , Alexander Gasnikov