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This paper addresses the challenge of anti-jamming in moving reactive jamming scenarios. The moving reactive jammer initiates high-power tracking jamming upon detecting any transmission activity, and when unable to detect a signal, resorts…

Information Theory · Computer Science 2025-02-05 Yangyang Li , Yuhua Xu , Wen Li , Guoxin Li , Zhibing Feng , Songyi Liu , Jiatao Du , Xinran Li

Implicit representation mapping (IRM) can translate image features to any continuous resolution, showcasing its potent capability for ultra-high-resolution image segmentation refinement. Current IRM-based methods for refining…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Ziyu Zhao , Xiaoguang Li , Pingping Cai , Canyu Zhang , Song Wang

Radar target recognition (RTR), as a key technology of intelligent radar systems, has been well investigated. Accurate RTR at low signal-to-noise ratios (SNRs) still remains an open challenge. Most existing methods are based on a single…

Signal Processing · Electrical Eng. & Systems 2022-06-14 Han Meng , Yuexing Peng , Wei Xiang , Xu Pang , Wenbo Wang

Deep Reinforcement Learning (DRL) has been highly effective in learning from and adapting to RF environments and thus detecting and mitigating jamming effects to facilitate reliable wireless communications. However, traditional DRL methods…

Machine Learning · Computer Science 2024-10-15 Kemal Davaslioglu , Sastry Kompella , Tugba Erpek , Yalin E. Sagduyu

This paper presents a radar target tracking framework for addressing main-beam range deception jamming attacks using random finite sets (RFSs). Our system handles false alarms and detections with false range information through multiple…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Helena Calatrava , Aanjhan Ranganathan , Tales Imbiriba , Gunar Schirner , Murat Akcakaya , Pau Closas

Accurate estimates of Instrument Spectral Response Functions (ISRFs) are crucial in order to have a good characterization of high resolution spectrometers. Spectrometers are composed of different optical elements that can induce errors in…

Numerical Analysis · Mathematics 2024-04-09 Jihanne El Haouari , Jean-Michel Gaucel , Christelle Pittet , Jean-Yves Tourneret , Herwig Wendt

Benefiting from their powerful generative capabilities, pretrained diffusion models have garnered significant attention for real-world image super-resolution (Real-SR). Existing diffusion-based SR approaches typically utilize semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Jiangang Wang , Qingnan Fan , Jinwei Chen , Hong Gu , Feng Huang , Wenqi Ren

The use of Intelligent Reflective Surfaces (IRS) to assist communication and sensing has proven cost-effective in challenging scenarios. For sensing, IRS is shown to sense non-line-of-sight (NLOS) and stealth targets, albeit with…

Signal Processing · Electrical Eng. & Systems 2026-05-07 Sanjeeva Reddy S , Vinod Veera Reddy

Cross-resolution face recognition (CRFR), which is important in intelligent surveillance and biometric forensics, refers to the problem of matching a low-resolution (LR) probe face image against high-resolution (HR) gallery face images.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Guangwei Gao , Yi Yu , Jian Yang , Guo-Jun Qi , Meng Yang

We develop a recurrent gamma belief network (rGBN) for radar automatic target recognition (RATR) based on high-resolution range profile (HRRP), which characterizes the temporal dependence across the range cells of HRRP. The proposed rGBN…

Machine Learning · Statistics 2020-12-02 Dandan Guo , Bo Chen , Wenchao Chen , Chaojie Wang , Hongwei Liu , Mingyuan Zhou

Recent works exploring data-driven approaches to classical problems in adaptive radar have demonstrated promising results pertaining to the task of radar target localization. Via the use of space-time adaptive processing (STAP) techniques…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Shyam Venkatasubramanian , Sandeep Gogineni , Bosung Kang , Ali Pezeshki , Muralidhar Rangaswamy , Vahid Tarokh

This paper investigates the anti-jamming performance of a cognitive radar under a partially observable Markov decision process (POMDP) model. First, we obtain an explicit expression for uncertainty of jammer dynamics, which paves the way…

Machine Learning · Computer Science 2019-11-28 Serkan Ak , Stefan Bruggenwirth

Malicious jamming launched by smart jammers can attack legitimate transmissions, which has been regarded as one of the critical security challenges in wireless communications. With this focus, this paper considers the use of an intelligent…

Signal Processing · Electrical Eng. & Systems 2020-04-28 Helin Yang , Zehui Xiong , Jun Zhao , Dusit Niyato , Qingqing Wu , H. Vincent Poor , Massimo Tornatore

Current hyperspectral anomaly detection (HAD) benchmark datasets suffer from low resolution, simple background, and small size of the detection data. These factors also limit the performance of the well-known low-rank representation (LRR)…

Image and Video Processing · Electrical Eng. & Systems 2024-02-26 Chenyu Li , Bing Zhang , Danfeng Hong , Jing Yao , Jocelyn Chanussot

Radio-frequency (RF) front-end forms a critical part of any radio system, defining its cost as well as communication performance. However, these components frequently exhibit non-ideal behavior, referred to as impairments, due to the…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Mehmet Ali Aygul , Ebubekir Memisoglu , Huseyin Arslan

Recent advances in radar automatic target recognition (RATR) techniques utilizing deep neural networks have demonstrated remarkable performance, largely due to their robust generalization capabilities. To address the challenge for…

Signal Processing · Electrical Eng. & Systems 2025-01-24 Yangbo Zhou , Sen Liu , Hong-Wei Gao , Hai lin , Guohua Wei , Xiaoqing Wang , Xiao-Min Pan

Feature extraction from infrared (IR) images remains a challenging task. Learning based methods that can work on raw imagery/patches have therefore assumed significance. We propose a novel multi-task extension of the widely used…

Image and Video Processing · Electrical Eng. & Systems 2018-05-04 Xuelu Li , Vishal Monga

We explore the application of concepts developed in High Energy Physics (HEP) for advanced medical data analysis. Our study case is a problem with high social impact: clinically-feasible Magnetic Resonance Fingerprinting (MRF). MRF is a…

Recently, the field of few-shot detection within remote sensing imagery has witnessed significant advancements. Despite these progresses, the capacity for continuous conceptual learning still poses a significant challenge to existing…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Wuzhou Li , Jiawei Zhou , Xiang Li , Yi Cao , Guang Jin , Xuemin Zhang

For collecting high-quality high-resolution (HR) MR image, we propose a novel image reconstruction network named IREM, which is trained on multiple low-resolution (LR) MR images and achieve an arbitrary up-sampling rate for HR image…

Image and Video Processing · Electrical Eng. & Systems 2021-06-30 Qing Wu , Yuwei Li , Lan Xu , Ruiming Feng , Hongjiang Wei , Qing Yang , Boliang Yu , Xiaozhao Liu , Jingyi Yu , Yuyao Zhang