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Related papers: SiMWiSense: Simultaneous Multi-Subject Activity Cl…

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After a decade of research in the field of wireless sensor networks (WSNs) there are still open issues. WSNs impose several severe requirements regarding energy consumption, processing capabilities, mobility, and robustness of wireless…

Networking and Internet Architecture · Computer Science 2015-09-14 Georg Möstl , Andreas Springer

The phase of the channel state information (CSI) is underutilized as a source of information in wireless sensing due to its sensitivity to synchronization errors of the signal reception. A linear transformation of the phase is commonly…

Signal Processing · Electrical Eng. & Systems 2023-10-16 Guillermo Diaz , Iker Sobron , Iñaki Eizmendi , Iratxe landa , Manuel Velez

Learning with few labeled data has been a longstanding problem in the computer vision and machine learning research community. In this paper, we introduced a new semi-supervised learning framework, SimMatch, which simultaneously considers…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Mingkai Zheng , Shan You , Lang Huang , Fei Wang , Chen Qian , Chang Xu

The deployment of federated learning in a wireless network, called federated edge learning (FEEL), exploits low-latency access to distributed mobile data to efficiently train an AI model while preserving data privacy. In this work, we study…

Information Theory · Computer Science 2021-03-11 Zhenyi Lin , Xiaoyang Li , Vincent K. N. Lau , Yi Gong , Kaibin Huang

Fine-Grained Visual Classification (FGVC) is known as a challenging task due to subtle differences among subordinate categories. Many current FGVC approaches focus on identifying and locating discriminative regions by using the attention…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Hui Wang , Yueyang li , Haichi Luo

Sensor-based human activity segmentation and recognition are two important and challenging problems in many real-world applications and they have drawn increasing attention from the deep learning community in recent years. Most of the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Furong Duan , Tao Zhu , Jinqiang Wang , Liming Chen , Huansheng Ning , Yaping Wan

Beyond data communications, commercial-off-the-shelf Wi-Fi devices can be used to monitor human activities, track device locomotion, and sense the ambient environment. In particular, spatial beam attributes that are inherently available in…

Machine Learning · Computer Science 2022-05-19 Toshiaki Koike-Akino , Pu Wang , Ye Wang

Few-shot learning for fine-grained image classification has gained recent attention in computer vision. Among the approaches for few-shot learning, due to the simplicity and effectiveness, metric-based methods are favorably state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Xiaoxu Li , Jijie Wu , Zhuo Sun , Zhanyu Ma , Jie Cao , Jing-Hao Xue

Existing few-shot medical image segmentation (FSMIS) models fail to address a practical issue in medical imaging: the domain shift caused by different imaging techniques, which limits the applicability to current FSMIS tasks. To overcome…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Yuntian Bo , Yazhou Zhu , Lunbo Li , Haofeng Zhang

Few-shot segmentation (FSS) methods perform image segmentation for a particular object class in a target (query) image, using a small set of (support) image-mask pairs. Recent deep neural network based FSS methods leverage high-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Siddhartha Gairola , Mayur Hemani , Ayush Chopra , Balaji Krishnamurthy

In this paper, we address the problem of joint sensing, computation, and communication (SC$^{2}$) resource allocation for federated edge learning (FEEL) via a concrete case study of human motion recognition based on wireless sensing in…

Information Theory · Computer Science 2023-03-22 Peixi Liu , Guangxu Zhu , Shuai Wang , Wei Jiang , Wu Luo , H. Vincent Poor , Shuguang Cui

Human Activity Recognition has gained significant attention due to its diverse applications, including ambient assisted living and remote sensing. Wearable sensor-based solutions often suffer from user discomfort and reliability issues,…

The 1st SpeechWellness Challenge conveys the need for speech-based suicide risk assessment in adolescents. This study investigates a multimodal approach for this challenge, integrating automatic transcription with WhisperX, linguistic…

Computation and Language · Computer Science 2025-05-27 Ambre Marie , Ilias Maoudj , Guillaume Dardenne , Gwenolé Quellec

We introduce a wireless RF network concept for capturing sparse event-driven data from large populations of spatially distributed autonomous microsensors, possibly numbered in the thousands. Each sensor is assumed to be a microchip capable…

Signal Processing · Electrical Eng. & Systems 2023-05-23 Jihun Lee , Ah-Hyoung Lee , Vincent Leung , Farah Laiwalla , Miguel Angel Lopez-Gordo , Lawrence Larson , Arto Nurmikko

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

Networking and Internet Architecture · Computer Science 2020-07-14 Jeongsik Choi

Deep learning-based channel state information (CSI) feedback schemes demonstrate strong compression capabilities but are typically constrained to fixed system configurations, limiting their generalization and flexibility. To address this…

Signal Processing · Electrical Eng. & Systems 2025-08-08 Xuanyu Liu , Shijian Gao , Boxun Liu , Xiang Cheng , Liuqing Yang

Recent research has shown that human motions and positions can be recognized through WiFi signals. The key intuition is that different motions and positions introduce different multi-path distortions in WiFi signals and generate different…

Signal Processing · Electrical Eng. & Systems 2018-10-30 Heju Li , Xukai Chen , Haohua Du , Xin He , Jianwei Qian , Peng-Jun Wan , Panlong Yang

Clustered Federated Multitask Learning (CFL) has gained considerable attention as an effective strategy for overcoming statistical challenges, particularly when dealing with non independent and identically distributed (non IID) data across…

Networking and Internet Architecture · Computer Science 2024-01-22 Moqbel Hamood , Abdullatif Albaseer , Mohamed Abdallah , Ala Al-Fuqaha

Semantic and goal-oriented (SGO) communication is an emerging technology that only transmits significant information for a given task. Semantic communication encounters many challenges, such as computational complexity at end users,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Eslam Eldeeb , Mohammad Shehab , Hirley Alves , Mohamed-Slim Alouini

Privacy-preserving semantic understanding of human activities is important for indoor sensing, yet existing Wi-Fi CSI-based systems mainly focus on pose estimation or predefined action classification rather than fine-grained language…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Tzu-Ti Wei , Chu-Yu Huang , Yu-Chee Tseng , Jen-Jee Chen