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Sensors are vital for environmental monitoring, yet their effectiveness diminishes under spatial uncertainty. We propose a robust optimization framework for maximizing the coverage of aerial directional sensors under spatial uncertainty.…

Optimization and Control · Mathematics 2025-10-24 Vanshika Datta , C. Nahak

The growing complexity of radar signals demands responsive and accurate detection systems that can operate efficiently on resource-constrained edge devices. Existing models, while effective, often rely on substantial computational resources…

Preference-based alignment like Reinforcement Learning from Human Feedback (RLHF) learns from pairwise preferences, yet the labels are often noisy and inconsistent. Existing uncertainty-aware approaches weight preferences, but ignore a more…

Machine Learning · Computer Science 2026-01-27 Tiejin Chen , Xiaoou Liu , Vishnu Nandam , Kuan-Ru Liou , Hua Wei

Multispectral oriented object detection faces challenges due to both inter-modal and intra-modal discrepancies. Recent studies often rely on transformer-based models to address these issues and achieve cross-modal fusion detection. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Minghang Zhou , Tianyu Li , Chaofan Qiao , Dongyu Xie , Guoqing Wang , Ningjuan Ruan , Lin Mei , Yang Yang

Deep learning algorithms have become an essential component in the field of cognitive radio, especially playing a pivotal role in automatic modulation classification. However, Deep learning also present risks and vulnerabilities. Despite…

Signal Processing · Electrical Eng. & Systems 2024-02-28 Tailai Wen , Da Ke , Xiang Wang , Zhitao Huang

In this paper, we optimize a faster region-based convolutional neural network (FRCNN) for 1-dimensional (1D) signal processing and electromagnetic spectrum sensing. We target a cluttered radio frequency (RF) environment, where multiple RF…

Signal Processing · Electrical Eng. & Systems 2023-02-21 Todd Morehouse , Charles Montes , Ruolin Zhou

Security threats such as jamming and route manipulation can have significant consequences on the performance of modern wireless networks. To increase the efficacy and stealthiness of such threats, a number of extremely challenging,…

Networking and Internet Architecture · Computer Science 2017-08-23 Liyang Zhang , Francesco Restuccia , Tommaso Melodia , Scott M. Pudlewski

The fine timing measurement (FTM) protocol is designed to determine precise ranging between Wi-Fi devices using round-trip time (RTT) measurements. However, the multipath propagation of radio waves generates inaccurate timing information,…

Networking and Internet Architecture · Computer Science 2021-12-30 Jeongsik Choi

Local Feature Matching, an essential component of several computer vision tasks (e.g., structure from motion and visual localization), has been effectively settled by Transformer-based methods. However, these methods only integrate…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Xinyu Zhang , Li Wang , Zhiqiang Jiang , Kun Dai , Tao Xie , Lei Yang , Wenhao Yu , Yang Shen , Jun Li

The challenge of creating domain-centric embeddings arises from the abundance of unstructured data and the scarcity of domain-specific structured data. Conventional embedding techniques often rely on either modality, limiting their…

Machine Learning · Computer Science 2024-10-29 Sharadind Peddiraju , Srini Rajagopal

As wireless communication systems evolve, automatic modulation recognition (AMR) plays a key role in improving spectrum efficiency, especially in cognitive radio systems. Traditional AMR methods face challenges in complex, noisy…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Wangye Jiang , Haoming Yang , Xinyu Lu , Mingyuan Wang , Huimei Sun , Jingya Zhang

This paper studies a near-field multiple-input multiple-output (MIMO) radar sensing system, in which the transceivers with massive antennas aim to localize multiple near-field targets in the three-dimensional (3D) space over unknown…

Information Theory · Computer Science 2023-08-31 Haocheng Hua , Jie Xu , Yonina C. Eldar

Robust cross-subject emotion recognition from multimodal physiological signals remains a challenging problem, primarily due to modality heterogeneity and inter-subject distribution shift. To tackle these challenges, we propose a novel…

Multimedia · Computer Science 2026-01-30 Jiahao Tang , Youjun Li , Yangxuan Zheng , Xiangting Fan , Siyuan Lu , Nuo Zhang , Zi-Gang Huang

Fast Radio Bursts (FRBs) are millisecond-duration radio transients of extragalactic origin, exhibiting a wide range of physical and observational properties. Distinguishing between repeating and non-repeating FRBs remains a key challenge in…

This paper presents RAVEN, a computationally efficient deep learning architecture for FMCW radar perception. The method processes raw ADC data in a chirp-wise streaming manner, preserves MIMO structure through independent receiver…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Anuvab Sen , Mir Sayeed Mohammad , Saibal Mukhopadhyay

High-resolution remote sensing (HRRS) image segmentation is challenging due to complex spatial layouts and diverse object appearances. While CNNs excel at capturing local features, they struggle with long-range dependencies, whereas…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yichun Yu , Yuqing Lan , Zhihuan Xing , Xiaoyi Yang , Tingyue Tang , Dan Yu

With the widespread application of personalized online services, click-through rate (CTR) prediction has received more and more attention and research. The most prominent features of CTR prediction are its multi-field categorical data…

Information Retrieval · Computer Science 2023-08-04 Jianghao Lin , Yanru Qu , Wei Guo , Xinyi Dai , Ruiming Tang , Yong Yu , Weinan Zhang

Due to the increased usage of spectrum caused by the exponential growth of wireless devices, detecting and avoiding interference has become an increasingly relevant problem to ensure uninterrupted wireless communications. In this paper, we…

Networking and Internet Architecture · Computer Science 2023-01-24 Clifton Paul Robinson , Daniel Uvaydov , Salvatore D'Oro , Tommaso Melodia

In this paper, we present a novel closed-form model (CFM) for accurate and fast evaluation of nonlinear interference in modern ultrawideband coherent optical fiber communication systems. Starting from the Gaussian noise model (GN model),…

Signal Processing · Electrical Eng. & Systems 2020-06-08 Mahdi Ranjbar Zefreh , Pierluigi Poggiolini

Anomaly detection in multivariate time series is challenging as heterogeneous subsequence anomalies may occur. Reconstruction-based methods, which focus on learning normal patterns in the frequency domain to detect diverse abnormal…

Machine Learning · Computer Science 2025-05-09 Xingjian Wu , Xiangfei Qiu , Zhengyu Li , Yihang Wang , Jilin Hu , Chenjuan Guo , Hui Xiong , Bin Yang
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