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Deep learning-based human activity recognition (HAR) methods have shown great promise in the applications of smart healthcare systems and wireless body sensor network (BSN). Despite their demonstrated performance in laboratory settings, the…

Human-Computer Interaction · Computer Science 2023-03-28 Baichun Wei , Chunzhi Yi , Qi Zhang , Haiqi Zhu , Jianfei Zhu , Feng Jiang

The field of Human Activity Recognition (HAR) focuses on obtaining and analysing data captured from monitoring devices (e.g. sensors). There is a wide range of applications within the field; for instance, assisted living, security…

Machine Learning · Computer Science 2020-05-18 Flávia Alves , Martin Gairing , Frans A. Oliehoek , Thanh-Toan Do

The rising demand for detecting hazardous situations has led to increased interest in radar-based human activity recognition (HAR). Conventional radar-based HAR methods predominantly rely on micro-Doppler spectrograms for recognition tasks.…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Do-Hyun Park , Min-Wook Jeon , Hyoung-Nam Kim

Unobtrusive and smart recognition of human activities using smartphones inertial sensors is an interesting topic in the field of artificial intelligence acquired tremendous popularity among researchers, especially in recent years. A…

Machine Learning · Computer Science 2021-09-21 Meysam Vakili , Masoumeh Rezaei

The combination of increased life expectancy and falling birth rates is resulting in an aging population. Wearable Sensor-based Human Activity Recognition (WSHAR) emerges as a promising assistive technology to support the daily lives of…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Jianyuan Ni , Hao Tang , Syed Tousiful Haque , Yan Yan , Anne H. H. Ngu

Sensor-based human activity recognition (HAR) requires to predict the action of a person based on sensor-generated time series data. HAR has attracted major interest in the past few years, thanks to the large number of applications enabled…

Machine Learning · Computer Science 2021-03-30 Davide Buffelli , Fabio Vandin

In recent years, deep learning has emerged as a potent tool across a multitude of domains, leading to a surge in research pertaining to its application in the wearable human activity recognition (WHAR) domain. Despite the rapid development,…

Machine Learning · Computer Science 2024-01-12 Yiran Huang , Haibin Zhao , Yexu Zhou , Till Riedel , Michael Beigl

Human Activity Recognition (HAR) is a powerful tool for understanding human behaviour. Applying HAR to wearable sensors can provide new insights by enriching the feature set in health studies, and enhance the personalisation and…

Human Activity Recognition (HAR) using wearable and mobile sensors has gained momentum in last few years, in various fields, such as, healthcare, surveillance, education, entertainment. Nowadays, Edge Computing has emerged to reduce…

Signal Processing · Electrical Eng. & Systems 2019-10-01 Preeti Agarwal , Mansaf Alam

Human activity recognition~(HAR) has attracted significant research interest due to its applications in health monitoring and patient rehabilitation. Recent research on HAR focuses on using smartphones due to their widespread use. However,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-06 Ganapati Bhat , Ranadeep Deb , Vatika Vardhan Chaurasia , Holly Shill , Umit Y. Ogras

Wi-Fi-based human activity recognition (HAR) provides substantial convenience and has emerged as a thriving research field, yet the coarse spatial resolution inherent to Wi-Fi significantly hinders its ability to distinguish multiple…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Xin Li , Jingzhi Hu , Yinghui He , Hongbo Wang , Jin Gan , Jun Luo

Human Activity Recognition (HAR) is a fundamental technology for numerous human - centered intelligent applications. Although deep learning methods have been utilized to accelerate feature extraction, issues such as multimodal data mixing,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Ying Yu , Siyao Li , Yixuan Jiang , Hang Xiao , Jingxi Long , Haotian Tang , Hanyu Liu , Chao Li

In practice, Wearable Human Activity Recognition (WHAR) models usually face performance degradation on the new user due to user variance. Unsupervised domain adaptation (UDA) becomes the natural solution to cross-user WHAR under annotation…

Signal Processing · Electrical Eng. & Systems 2023-06-05 Rong Hu , Ling Chen , Shenghuan Miao , Xing Tang

A reliable comfort model is essential to improve occupant satisfaction and reduce building energy consumption. As two types of the most common and intuitive thermal adaptive behaviors, precise recognition of dressing and undressing can…

Human-Computer Interaction · Computer Science 2024-10-30 Zhaohe Lv , Guoliang Zhao , Zhanbo Xu , Jiang Wu , Yadong Zhou , Kun Liu

The current gold standard for human activity recognition (HAR) is based on the use of cameras. However, the poor scalability of camera systems renders them impractical in pursuit of the goal of wider adoption of HAR in mobile computing…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Eoin Brophy , José Juan Dominguez Veiga , Zhengwei Wang , Alan F. Smeaton , Tomas E. Ward

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…

Sensor-based human activity recognition (HAR), i.e., the ability to discover human daily activity patterns from wearable or embedded sensors, is a key enabler for many real-world applications in smart homes, personal healthcare, and urban…

Signal Processing · Electrical Eng. & Systems 2021-04-20 Saurav Jha , Martin Schiemer , Franco Zambonelli , Juan Ye

Human Activity Recognition (HAR) is a cornerstone of ubiquitous computing, with promising applications in diverse fields such as health monitoring and ambient assisted living. Despite significant advancements, sensor-based HAR methods often…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Xiaozhou Ye , Waleed H. Abdulla , Nirmal Nair , Kevin I-Kai Wang

Convolutional Neural Networks (CNNs) are successful deep learning models in the field of computer vision. To get the maximum advantage of CNN model for Human Action Recognition (HAR) using inertial sensor data, in this paper, we use 4 types…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Zeeshan Ahmad , Naimul Khan

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