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Related papers: Exploring FMCW Radars and Feature Maps for Activit…

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This study proposes a novel approach for real-time facial expression recognition utilizing short-range Frequency-Modulated Continuous-Wave (FMCW) radar equipped with one transmit (Tx), and three receive (Rx) antennas. The system leverages…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Sabri Mustafa Kahya , Muhammet Sami Yavuz , Eckehard Steinbach

After a few years of research in the field of through-the-wall radar (TWR) human activity recognition (HAR), I found that we seem to be stuck in the mindset of training on radar image data through neural network models. The earliest related…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Weicheng Gao

Monitoring sleep posture and behavior is critical for diagnosing sleep disorders and improving overall sleep quality. However, traditional approaches, such as wearable devices, cameras, and pressure sensors, often compromise user comfort,…

Human-Computer Interaction · Computer Science 2025-08-05 Agniva Banerjee , Bhanu Partap Paregi , Haroon R. Lone

With the proliferation of imaging sensors, the volume of multi-modal imagery far exceeds the ability of human analysts to adequately consume and exploit it. Full motion video (FMV) possesses the extra challenge of containing large amounts…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Marc Bosch , Joseph Nassar , Benjamin Ortiz , Brendan Lammers , David Lindenbaum , John Wahl , Robert Mangum , Margaret Smith

Human Activity Recognition (HAR) plays a critical role in a wide range of real-world applications, and it is traditionally achieved via wearable sensing. Recently, to avoid the burden and discomfort caused by wearable devices, device-free…

Networking and Internet Architecture · Computer Science 2021-10-29 Zhe Chen , Chao Cai , Tianyue Zheng , Jun Luo , Jie Xiong , Xin Wang

Human activity recognition serves as the foundation for various emerging applications. In recent years, researchers have used collaborative sensing of multi-source sensors to capture complex and dynamic human activities. However, multimodal…

Machine Learning · Computer Science 2026-04-28 Long Jing , Zhixiong Yang , Yajun Zhang , Xinlong Feng

Human activity recognition (HAR) with wearables is promising research that can be widely adopted in many smart healthcare applications. In recent years, the deep learning-based HAR models have achieved impressive recognition performance.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Songpengcheng Xia , Lei Chu , Ling Pei , Wenxian Yu , Robert C. Qiu

Recognizing animal activities holds a crucial role in monitoring animals' health and well-being. Additionally, a considerable audience is keen on monitoring their pets' well-being and health status. Insight into animals' habitual activities…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Ehsan Sadeghi , Abel van Raalte , Alessandro Chiumento , Paul Havinga

Radar human motion recognition methods based on deep learning models has been a heated spot of remote sensing in recent years, yet the existing methods are mostly radial-oriented. In practical application, the test data could be…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Hao Fan , Lingfeng Chen , Chengbai Xu , Jiadong Zhou , Yongpeng Dai , Panhe HU

Human activity recognition (HAR) is a crucial area of research that involves understanding human movements using computer and machine vision technology. Deep learning has emerged as a powerful tool for this task, with models such as…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Mohammad Belal , Taimur Hassan , Abdelfatah Ahmed , Ahmad Aljarah , Nael Alsheikh , Irfan Hussain

Human Activity Recognition (HAR) primarily relied on traditional RGB cameras to achieve high-performance activity recognition. However, the challenging factors in real-world scenarios, such as insufficient lighting and rapid movements,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Shiao Wang , Xiao Wang , Bo Jiang , Lin Zhu , Guoqi Li , Yaowei Wang , Yonghong Tian , Jin Tang

In this article, we present a survey of recent advances in passive human behaviour recognition in indoor areas using the channel state information (CSI) of commercial WiFi systems. Movement of human body causes a change in the wireless…

Artificial Intelligence · Computer Science 2017-08-25 Siamak Yousefi , Hirokazu Narui , Sankalp Dayal , Stefano Ermon , Shahrokh Valaee

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

Human Activity Recognition (HAR) describes the machines ability to recognize human actions. Nowadays, most people on earth are health conscious, so people are more interested in tracking their daily activities using Smartphones or Smart…

Machine Learning · Computer Science 2022-05-23 Sanku Satya Uday , Satti Thanuja Pavani , T. Jaya Lakshmi , Rohit Chivukula

In the last decade, Human Activity Recognition (HAR) has become a vibrant research area, especially due to the spread of electronic devices such as smartphones, smartwatches and video cameras present in our daily lives. In addition, the…

Signal Processing · Electrical Eng. & Systems 2020-11-20 Florenc Demrozi , Graziano Pravadelli , Azra Bihorac , Parisa Rashidi

The vast proliferation of sensor devices and Internet of Things enables the applications of sensor-based activity recognition. However, there exist substantial challenges that could influence the performance of the recognition system in…

Human-Computer Interaction · Computer Science 2021-01-25 Kaixuan Chen , Dalin Zhang , Lina Yao , Bin Guo , Zhiwen Yu , Yunhao Liu

The interest of the automotive industry has progressively focused on subjects related to driver assistance systems as well as autonomous cars. Cars combine a variety of sensors to perceive their surroundings robustly. Among them, radar…

Signal Processing · Electrical Eng. & Systems 2020-07-23 Nicolae-Cătălin Ristea , Andrei Anghel , Radu Tudor Ionescu

The prompt and accurate recognition of Continuous Human Activity (CHAR) is critical in identifying and responding to health events, particularly fall risk assessment. In this paper, we examine a multi-antenna radar system that can process…

Image and Video Processing · Electrical Eng. & Systems 2023-04-14 John Kobak , Bennett J. Richman , LaJuan Washington , Syed A. Hamza

Human Activity Recognition (HAR) benefits various application domains, including health and elderly care. Traditional HAR involves constructing pipelines reliant on centralized user data, which can pose privacy concerns as they necessitate…

Human Activity Recognition from body-worn sensor data poses an inherent challenge in capturing spatial and temporal dependencies of time-series signals. In this regard, the existing recurrent or convolutional or their hybrid models for…

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