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Related papers: Noncontact Multi-Point Vital Sign Monitoring with …

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Multimodal vital sign monitoring and speech detection hold significant importance in medical health, public safety, and other fields. This study proposes a broadband tunable microwave photonic radar system that can simultaneously monitor…

This study proposes a multi-radar system for non-contact physiological sensing across arbitrary body orientations. In integrating signals obtained from different radar viewpoints, we adopt a multivariate variational mode decomposition…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Kimitaka Sumi , Takuya Sakamoto

Continuous contactless respiration monitoring of co-sleeping subjects faces a dilemma: conventional single-site multiple-input multiple-output (MIMO) radars struggle with limited angular resolution for closely spaced individuals, while…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Lang Qin , Mandong Zhang , Wenting Song , Zhiqiang Huang , Xiaoguang Liu

Radar as a remote sensing technology has been used to analyze human activity for decades. Despite all the great features such as motion sensitivity, privacy preservation, penetrability, and more, radar has limited spatial degrees of freedom…

Signal Processing · Electrical Eng. & Systems 2023-06-21 Shuaifeng Jiang , Ahmed Alkhateeb , Daniel W. Bliss , Yu Rong

Monitoring physiological and behavioral parameters of laboratory rodents is fundamental for biomedical research, yet conventional techniques often rely on invasive sensors or frequent handling that can induce stress and compromise data…

Signal Processing · Electrical Eng. & Systems 2025-12-08 Tommaso Polonelli , Manuel Glahn , Stefano Kron , Stefan Selbert , Marco Garzola , Michele Magno

Millimetre-wave (mmWave) radar has emerged as an attractive and cost-effective alternative for human activity sensing compared to traditional camera-based systems. mmWave radars are also non-intrusive, providing better protection for user…

Machine Learning · Computer Science 2023-11-03 Han Cui , Shu Zhong , Jiacheng Wu , Zichao Shen , Naim Dahnoun , Yiren Zhao

In this paper, we propose a direct multiobject tracking (MOT) approach for MIMO-radar signals that operates on raw sensor data via variational message passing (VMP). Unlike classical track-before-detect (TBD) methods, which often rely on…

Signal Processing · Electrical Eng. & Systems 2025-03-20 Anders Malthe Westerkam , Jakob Möderl , Erik Leitinger , Troels Pedersen

This paper presents a novel micro-Doppler energy-based framework for robust multi-target vital signs monitoring using 77-GHz Frequency-Modulated Continuous-Wave (FMCW) radar. Unlike conventional phase-based methods that are susceptible to…

Signal Processing · Electrical Eng. & Systems 2025-10-23 Chenxing Tan , Yuguan Hou , Hao Wang , Zhonghao Yuan

Contact-free detection of human vital signs like heart rate and respiration rate will improve the patients' comfort and enables long-term monitoring of newborns or bedridden patients. For that, reliable and safe measurement techniques are…

Medical Physics · Physics 2020-07-28 Roman Kusche , Fabian John , Marco Cimdins , Horst Hellbrueck

This study introduces an improved VMD based signal decomposition methodology for non-contact heartbeat estimation using millimeterwave (mmWave) radar. Specifically, we first analyze the signal model of the mmWave radar system. The…

Signal Processing · Electrical Eng. & Systems 2025-02-18 Boyuan Gu , Yanhui Yang , Siyu You , Haiyang Sun , Jiahui Sun , Shisheng Guo

Millimeter-wave (mmWave) radar enables contactless respiratory sensing,yet fine-grained monitoring is often degraded by nonstationary interference from body micromotions.To achieve micromotion interference removal,we propose…

Image and Video Processing · Electrical Eng. & Systems 2026-03-24 Yong Wang , Qifan Shen , Bao Zhang , Zijun Huang , Chengbo Zhu , Shuai Yao , Qisong Wu

Real-time vital sign monitoring is gaining immense significance not only in the medical field but also in personal health management. Facing the needs of different application scenarios of the smart and healthy city in the future, the…

Systems and Control · Electrical Eng. & Systems 2024-05-27 Dingding Liang , Yang Chen , Jiawei Gao , Taixia Shi , Jianping Yao

This study presents a comprehensive experimental assessment of a low-cost frequency-modulated continuous-wave (FMCW) multiple-input multiple-output (MIMO) radar for non-contact vital sign monitoring, focusing on respiratory rate (RR) and…

Emerging Technologies · Computer Science 2026-03-11 Silvia Mura , Davide Scazzoli , Lorenzo Fineschi , Maurizio Magarini

Heart rate (HR) is a crucial physiological signal that can be used to monitor health and fitness. Traditional methods for measuring HR require wearable devices, which can be inconvenient or uncomfortable, especially during sleep and…

In this paper, we propose a novel non-contact vibration measurement system that is competent in estimating linear and/or rotational motions of machine parts. The technique combines microwave radar, standard camera, and optical strobe to…

Signal Processing · Electrical Eng. & Systems 2020-06-02 Dibyendu Roy , Arijit Sinharay , Brojeshwar Bhowmick , Raj Rakshit , Tapas Chakravarty , Arpan Pal

This paper presents an inertial sensor aided technique for beam alignment and tracking in massive multiple-input multiple-output (MIMO) vehicle-to-vehicle (V2V) communications based on millimeter waves (mmWave). Since directional…

Signal Processing · Electrical Eng. & Systems 2019-07-18 Mattia Brambilla , Monica Nicoli , Sergio Savaresi , Umberto Spagnolini

Millimeter-wave (mmWave) radar-based gesture recognition is gaining attention as a key technology to enable intuitive human-machine interaction. Nevertheless, the significant challenge lies in obtaining large-scale, high-quality mmWave…

Human-Computer Interaction · Computer Science 2024-12-23 Huanqi Yang , Mingda Han , Xinyue Li , Di Duan , Tianxing Li , Weitao Xu

Multi-beam radar sensing systems are emerging as powerful tools for non-contact motion tracking and vital-sign monitoring in healthcare environments. This paper presents the design and experimental validation of a synchronized…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Mohammad Omid Bagheri , Justin Chow , Josh Visser , Veronica Leong , George Shaker

Vital signs such as pulse rate and breathing rate are currently measured using contact probes. But, non-contact methods for measuring vital signs are desirable both in hospital settings (e.g. in NICU) and for ubiquitous in-situ health…

Computer Vision and Pattern Recognition · Computer Science 2015-03-25 Mayank Kumar , Ashok Veeraraghavan , Ashutosh Sabharval

Foot contact is an important cue for human motion capture, understanding, and generation. Existing datasets tend to annotate dense foot contact using visual matching with thresholding or incorporating pressure signals. However, these…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 He Zhang , Shenghao Ren , Haolei Yuan , Jianhui Zhao , Fan Li , Shuangpeng Sun , Zhenghao Liang , Tao Yu , Qiu Shen , Xun Cao