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Related papers: mmFall: Fall Detection using 4D MmWave Radar and a…

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The 4D millimeter-wave (mmWave) radar, with its robustness in extreme environments, extensive detection range, and capabilities for measuring velocity and elevation, has demonstrated significant potential for enhancing the perception…

Robotics · Computer Science 2024-05-09 Zeyu Han , Junkai Jiang , Xiaokang Ding , Qingwen Meng , Shaobing Xu , Lei He , Jianqiang Wang

Complementary to prevalent LiDAR and camera systems, millimeter-wave (mmWave) radar is robust to adverse weather conditions like fog, rainstorms, and blizzards but offers sparse point clouds. Current techniques enhance the point cloud by…

Robotics · Computer Science 2024-04-29 Cong Fan , Shengkai Zhang , Kezhong Liu , Shuai Wang , Zheng Yang , Wei Wang

As the population ages rapidly, long-term care (LTC) facilities across North America face growing pressure to monitor residents safely while keeping staff workload manageable. Falls are among the most critical events to monitor due to their…

Signal Processing · Electrical Eng. & Systems 2026-01-27 Huy Trinh , Phuong Thai , Elliot Creager , George Shaker

With autonomous driving developing in a booming stage, accurate object detection in complex scenarios attract wide attention to ensure the safety of autonomous driving. Millimeter wave (mmWave) radar and vision fusion is a mainstream…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Zhiqing Wei , Fengkai Zhang , Shuo Chang , Yangyang Liu , Huici Wu , Zhiyong Feng

Falls are a common cause of fatal injuries and hospitalization. However, having fall detection on person, in particular for senior citizens can prove to be critical. Presently,there are handheld, ambient detector and vision-based detection…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Fatima Ahmed , Parag Biswas , Abdur Rashid , Md. Khaliluzzaman

In smart cities, detecting pedestrian falls is a major challenge to ensure the safety and quality of life of citizens. In this study, we propose a novel fall detection system using FLAMe (Federated Learning with Attention Mechanism), a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Byeonghun Kim , Byeongjoon Noh

Fall detection is a vital task in health monitoring, as it allows the system to trigger an alert and therefore enabling faster interventions when a person experiences a fall. Although most previous approaches rely on standard RGB video…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Hejun Xiao , Kunyu Peng , Xiangsheng Huang , Alina Roitberg1 , Hao Li , Zhaohui Wang , Rainer Stiefelhagen

Contact-free vital sign monitoring, which uses wireless signals for recognizing human vital signs (i.e, breath and heartbeat), is an attractive solution to health and security. However, the subject's body movement and the change in actual…

Signal Processing · Electrical Eng. & Systems 2023-04-24 Yingqi Wang , Zhongqin Wang , J. Andrew Zhang , Haimin Zhang , Min Xu

Robust and accurate trajectory estimation of mobile agents such as people and robots is a key requirement for providing spatial awareness for emerging capabilities such as augmented reality or autonomous interaction. Although currently…

Millimeter-wave (mmWave) radar has emerged as a promising sensing modality for human perception due to its robustness under challenging environmental conditions and strong privacy-preserving properties. However, recovering accurate 3D human…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Hoang Hai Pham , Shuntian Zheng , Jiaqi Li , Yu Guan

In multimodal traffic monitoring, we gather traffic statistics for distinct transportation modes, such as pedestrians, cars and bicycles, in order to analyze and improve people's daily mobility in terms of safety and convenience. On account…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Feng Jin , Arindam Sengupta , Siyang Cao , Yao-Jan Wu

The majority of human detection methods rely on the sensor using visible lights (e.g., RGB cameras) but such sensors are limited in scenarios with degraded vision conditions. In this paper, we present a multimodal human detection system…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Kaiwen Cai , Qiyue Xia , Peize Li , John Stankovic , Chris Xiaoxuan Lu

This work proposes a mmWave radar's scene flow estimation framework supervised by data from a widespread visual-inertial (VI) sensor suite, allowing crowdsourced training data from smart vehicles. Current scene flow estimation methods for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Kezhong Liu , Yiwen Zhou , Mozi Chen , Jianhua He , Jingao Xu , Zheng Yang , Chris Xiaoxuan Lu , Shengkai Zhang

This paper proposes a method for detecting anomalies in video data. A Variational Autoencoder (VAE) is used for reducing the dimensionality of video frames, generating latent space information that is comparable to low-dimensional sensory…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Giulia Slavic , Damian Campo , Mohamad Baydoun , Pablo Marin , David Martin , Lucio Marcenaro , Carlo Regazzoni

Fall detection for the elderly is a well-researched problem with several proposed solutions, including wearable and non-wearable techniques. While the existing techniques have excellent detection rates, their adoption by the target…

Sound · Computer Science 2022-08-24 Prabhjot Kaur , Qifan Wang , Weisong Shi

Deep learning based fall detection is one of the crucial tasks for intelligent video surveillance systems, which aims to detect unintentional falls of humans and alarm dangerous situations. In this work, we propose a simple and efficient…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Sunhee Hwang , Minsong Ki , Seung-Hyun Lee , Sanghoon Park , Byoung-Ki Jeon

Gait recognition is widely used in diversified practical applications. Currently, the most prevalent approach is to recognize human gait from RGB images, owing to the progress of computer vision technologies. Nevertheless, the perception…

Computer Vision and Pattern Recognition · Computer Science 2022-11-02 Yanyan Huang , Yong Wang , Kun Shi , Chaojie Gu , Yu Fu , Cheng Zhuo , Zhiguo Shi

Millimetre-wave (mmWave) radars can generate 3D point clouds to represent objects in the scene. However, the accuracy and density of the generated point cloud can be lower than a laser sensor. Although researchers have used mmWave radars…

Signal Processing · Electrical Eng. & Systems 2023-02-01 Han Cui , Jiacheng Wu , Naim Dahnoun

Fall detection based on embedded sensor is a practical and popular research direction in recent years. In terms of a specific application: fall detection methods based upon physics sensors such as [gyroscope and accelerator] have been…

Signal Processing · Electrical Eng. & Systems 2024-03-13 Zeyuan Qu , Tiange Huang , Yuxin Ji , Yongjun Li

The increasing global aging population has intensified the demand for reliable health monitoring systems, particularly those capable of detecting critical events such as falls among elderly individuals. Traditional fall detection approaches…

Machine Learning · Computer Science 2026-03-25 Lijie Zhou , Luran Wang