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In Internet of Things, where billions of devices with limited resources are communicating with each other, security has become a major stumbling block affecting the progress of this technology. Existing authentication schemes-based on…

信号处理 · 电气工程与系统科学 2020-12-08 Sekhar Rajendran , Zhi Sun , Feng Lin , Kui Ren

Few-shot fine-grained image classification aims to recognize subcategories with high visual similarity using only a limited number of annotated samples. Existing metric learning-based methods typically rely solely on spatial domain…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Meijia Wang , Guochao Wang , Haozhen Chu , Bin Yao , Weichuan Zhang , Yuan Wang , Junpo Yang

Radio frequency fingerprint identification (RFFI) is a key technique for wireless network security, leveraging intrinsic hardware imperfections to enable transmitter identification. Although deep neural networks are effective at extracting…

机器学习 · 计算机科学 2026-05-27 Yuhao Pan , Xiucheng Wang , Fushuo Huo , Nan Cheng , Wenchao Xu

The paper presents an innovative methodology for designing frequency selective surface (FSS) based radar absorbing materials using machine learning (ML) technique. In conventional electromagnetic design, unit cell dimensions of FSS are used…

信号处理 · 电气工程与系统科学 2025-02-26 Vijay Kumar Sutrakar , Anjana P K , Sajal Kesharwani , Siddharth Bisariya

Visual recognition of materials and their states is essential for understanding most aspects of the world, from determining whether food is cooked, metal is rusted, or a chemical reaction has occurred. However, current image recognition…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Manuel S. Drehwald , Sagi Eppel , Jolina Li , Han Hao , Alan Aspuru-Guzik

Universal deepfake detection aims to identify AI-generated images across a broad range of generative models, including unseen ones. This requires robust generalization to new and unseen deepfakes, which emerge frequently, while minimizing…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Chandler Timm C. Doloriel , Habib Ullah , Kristian Hovde Liland , Fadi Al Machot , Ngai-Man Cheung

Indoor localization is a supporting technology for a broadening range of pervasive wireless applications. One promis- ing approach is to locate users with radio frequency fingerprints. However, its wide adoption in real-world systems is…

信息论 · 计算机科学 2017-08-04 Xiao-Yang Liu , Shuchin Aeron , Vaneet Aggarwal , Xiaodong Wang , Min-You Wu

The rapid development of generative models has imposed an urgent demand for detection schemes with strong generalization capabilities. However, existing detection methods generally suffer from overfitting to specific source models, leading…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Xiangyu Hu , Yicheng Hong , Hongchuang Zheng , Wenjun Zeng , Bingyao Liu

A deep understanding of the physical world is a central goal for embodied AI and realistic simulation. While current models excel at capturing an object's surface geometry and appearance, they largely neglect its internal physical…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Jingxuan Zhang , Tianqi Yu , Yatu Zhang , Jinze Wu , Kaixin Yao , Jingyang Liu , Yuyao Zhang , Jiayuan Gu , Jingyi Yu

Radio frequency (RF)-based techniques are widely adopted for indoor localization despite the challenges in extracting sufficient information from measurements. Soft range information (SRI) offers a promising alternative for highly accurate…

机器学习 · 计算机科学 2023-05-24 Yuxiao Li , Santiago Mazuelas , Yuan Shen

We present a filtering technique that can be applied to individual baselines of wide-bandwidth, wide-field interferometric data to geometrically select regions on the celestial sphere that contain primary calibration sources. The technique…

天体物理仪器与方法 · 物理学 2015-05-13 Aaron R. Parsons , Donald C. Backer

Deep learning models often encounter challenges in making accurate inferences when there are domain shifts between the source and target data. This issue is particularly pronounced in clinical settings due to the scarcity of annotated data…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Heng Li , Haojin Li , Jianyu Chen , Mingyang Ou , Hai Shu , Heng Miao

The search for extraterrestrial intelligence (SETI) commensal surveys aim to scan the sky to detect technosignatures from extraterrestrial life. A major challenge in SETI is the effective mitigation of radio frequency interference (RFI), a…

天体物理仪器与方法 · 物理学 2026-01-21 Li-Li Zhao , Xiao-Hang Luan , Xin Chao , Yu-Chen Wang , Jian-Kang Li , Zhen-Zhao Tao , Tong-Jie Zhang , Hong-Feng Wang , Dan Werthimer

Most deepfake detection methods focus on detecting spatial and/or spatio-temporal changes in facial attributes and are centered around the binary classification task of detecting whether a video is real or fake. This is because available…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Zhixi Cai , Shreya Ghosh , Abhinav Dhall , Tom Gedeon , Kalin Stefanov , Munawar Hayat

While single-image super-resolution (SISR) has attracted substantial interest in recent years, the proposed approaches are limited to learning image priors in order to add high frequency details. In contrast, multi-frame super-resolution…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Goutam Bhat , Martin Danelljan , Luc Van Gool , Radu Timofte

Predicting materials properties from composition or structure is of great interest to the materials science community. Deep learning has recently garnered considerable interest in materials predictive tasks with low model errors when…

材料科学 · 物理学 2021-11-01 Chi Chen , Shyue Ping Ong

Freespace detection is an essential component of autonomous driving technology and plays an important role in trajectory planning. In the last decade, deep learning-based free space detection methods have been proved feasible. However,…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Chen Min , Weizhong Jiang , Dawei Zhao , Jiaolong Xu , Liang Xiao , Yiming Nie , Bin Dai

The evaluation of object detection models is usually performed by optimizing a single metric, e.g. mAP, on a fixed set of datasets, e.g. Microsoft COCO and Pascal VOC. Due to image retrieval and annotation costs, these datasets consist…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Floriana Ciaglia , Francesco Saverio Zuppichini , Paul Guerrie , Mark McQuade , Jacob Solawetz

Machine learning tools are finding interesting applications in millimeter wave (mmWave) and massive MIMO systems. This is mainly thanks to their powerful capabilities in learning unknown models and tackling hard optimization problems. To…

信息论 · 计算机科学 2019-02-19 Ahmed Alkhateeb

The absence of publicly available, large-scale, high-quality datasets for Synthetic Aperture Radar Automatic Target Recognition (SAR ATR) has significantly hindered the application of rapidly advancing deep learning techniques, which hold…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Yongxiang Liu , Weijie Li , Li Liu , Jie Zhou , Bowen Peng , Yafei Song , Xuying Xiong , Wei Yang , Tianpeng Liu , Zhen Liu , Xiang Li
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