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Recent research has shown that neural information retrieval techniques may be susceptible to adversarial attacks. Adversarial attacks seek to manipulate the ranking of documents, with the intention of exposing users to targeted content. In…

Information Retrieval · Computer Science 2025-02-28 Amin Bigdeli , Negar Arabzadeh , Ebrahim Bagheri , Charles L. A. Clarke

The integration of sensing and communication enables wireless communication systems to serve environment-aware applications. In this paper, we propose to leverage sensing to enhance physical layer security (PLS) in multiuser communication…

Information Theory · Computer Science 2023-12-27 Dongfang Xu , Yiming Xu , Zhiqiang Wei , Shenghui Song , Derrick Wing Kwan Ng

In the last decade, deep neural networks have proven to be very powerful in computer vision tasks, starting a revolution in the computer vision and machine learning fields. However, deep neural networks, usually, are not robust to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Hao Qiu , Leonardo Lucio Custode , Giovanni Iacca

Semantic communication can improve transmission efficiency by focusing on task-relevant information. However, under packet-based communication protocols, any error typically results in the loss of an entire packet, making semantic…

Systems and Control · Electrical Eng. & Systems 2025-11-24 Xiao Yang , Shuai Ma , Yong Liang , Guangming Shi

Physical layer deception (PLD) is a novel security mechanism that combines physical layer security (PLS) with deception technologies to actively defend against eavesdroppers. In this paper, we establish a novel semantic model for PLD that…

Information Theory · Computer Science 2024-10-08 Bin Han , Yao Zhu , Anke Schmeink , Giuseppe Caire , Hans D. Schotten

The concept of semantic communication provides a novel approach for applications in scenarios with limited communication resources. In this paper, we propose an end-to-end (E2E) semantic molecular communication system, aiming to enhance the…

Signal Processing · Electrical Eng. & Systems 2024-04-16 Yukun Cheng , Wei Chen , Bo Ai

Deep neural networks (DNNs) have been found to be vulnerable to adversarial examples. Adversarial examples are malicious images with visually imperceptible perturbations. While these carefully crafted perturbations restricted with tight…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Yajie Wang , Shangbo Wu , Wenyi Jiang , Shengang Hao , Yu-an Tan , Quanxin Zhang

Semantic communication (SemCom) has been deemed as a promising communication paradigm to break through the bottleneck of traditional communications. Nonetheless, most of the existing works focus more on point-to-point communication…

Signal Processing · Electrical Eng. & Systems 2023-12-05 Zhilin Lu , Rongpeng Li , Ming Lei , Chan Wang , Zhifeng Zhao , Honggang Zhang

We introduce a new semantic communication mechanism - SemanticRL, whose key idea is to preserve the semantic information instead of strictly securing the bit-level precision. Unlike previous methods that mainly concentrate on the network or…

Machine Learning · Computer Science 2022-04-04 Kun Lu , Rongpeng Li , Xianfu Chen , Zhifeng Zhao , Honggang Zhang

Adversarial samples are perturbed inputs crafted to mislead the machine learning systems. A training mechanism, called adversarial training, which presents adversarial samples along with clean samples has been introduced to learn robust…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Vivek B. S. , Konda Reddy Mopuri , R. Venkatesh Babu

We propose a method for semi-supervised semantic segmentation using an adversarial network. While most existing discriminators are trained to classify input images as real or fake on the image level, we design a discriminator in a fully…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Wei-Chih Hung , Yi-Hsuan Tsai , Yan-Ting Liou , Yen-Yu Lin , Ming-Hsuan Yang

Automatic speaker verification systems are increasingly used as the primary means to authenticate costumers. Recently, it has been proposed to train speaker verification systems using end-to-end deep neural models. In this paper, we show…

Machine Learning · Computer Science 2018-02-19 Felix Kreuk , Yossi Adi , Moustapha Cisse , Joseph Keshet

In this work we propose Energy Attack, a transfer-based black-box $L_\infty$-adversarial attack. The attack is parameter-free and does not require gradient approximation. In particular, we first obtain white-box adversarial perturbations of…

Machine Learning · Computer Science 2021-09-10 Ruoxi Shi , Borui Yang , Yangzhou Jiang , Chenglong Zhao , Bingbing Ni

Current adversarial attack research reveals the vulnerability of learning-based classifiers against carefully crafted perturbations. However, most existing attack methods have inherent limitations in cross-dataset generalization as they…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Cheng Luo , Qinliang Lin , Weicheng Xie , Bizhu Wu , Jinheng Xie , Linlin Shen

In Model-Based Reinforcement Learning (MBRL), incorporating causal structures into dynamics models provides agents with a structured understanding of the environments, enabling efficient decision. Empowerment as an intrinsic motivation…

Artificial Intelligence · Computer Science 2025-02-17 Hongye Cao , Fan Feng , Meng Fang , Shaokang Dong , Tianpei Yang , Jing Huo , Yang Gao

Machine learning approaches for speech enhancement are becoming increasingly expressive, enabling ever more powerful modifications of input signals. In this paper, we demonstrate that this expressiveness introduces a vulnerability: advanced…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-01 Rostislav Makarov , Lea Schönherr , Timo Gerkmann

Deep neural networks for image classification remain vulnerable to adversarial examples -- small, imperceptible perturbations that induce misclassifications. In black-box settings, where only the final prediction is accessible, crafting…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Arjhun Swaminathan , Mete Akgün

This paper investigates a key challenge faced by joint source-channel coding (JSCC) in digital semantic communication (SemCom): the incompatibility between existing JSCC schemes that yield continuous encoded representations and digital…

Information Theory · Computer Science 2025-11-12 Yujie Zhou , Rulong Wang , Yong Xiao , Yingyu Li , Guangming Shi

The recent prevalence of pretrained language models (PLMs) has dramatically shifted the paradigm of semantic parsing, where the mapping from natural language utterances to structured logical forms is now formulated as a Seq2Seq task.…

Computation and Language · Computer Science 2022-12-06 Lunyiu Nie , Jiuding Sun , Yanlin Wang , Lun Du , Lei Hou , Juanzi Li , Shi Han , Dongmei Zhang , Jidong Zhai

Semantic communications offer promising prospects for enhancing data transmission efficiency. However, existing schemes have predominantly concentrated on point-to-point transmissions. In this paper, we aim to investigate the validity of…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Yanhu Wang , Shuaishuai Guo , Anming Dong , Hui Zhao
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