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Human Activity Recognition (HAR) using Inertial Measurement Unit (IMU) sensors is critical for applications in healthcare, safety, and industrial production. However, variations in activity patterns, device types, and sensor placements…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Hua Yan , Heng Tan , Yi Ding , Pengfei Zhou , Vinod Namboodiri , Yu Yang

Human Activity Recognition (HAR) is an ongoing research topic. It has applications in medical support, sports, fitness, social networking, human-computer interfaces, senior care, entertainment, surveillance, and the list goes on.…

Human-Computer Interaction · Computer Science 2021-11-11 Hamza Ali Imran , Saad Wazir , Usman Iftikhar , Usama Latif

Recent studies in Human Activity Recognition (HAR) have shown that Deep Learning methods are able to outperform classical Machine Learning algorithms. One popular Deep Learning architecture in HAR is the DeepConvLSTM. In this paper we…

Human-Computer Interaction · Computer Science 2023-04-03 Marius Bock , Alexander Hoelzemann , Michael Moeller , Kristof Van Laerhoven

Human Activity Recognition (HAR) on resource-constrained wearable devices demands inference models that harmonize accuracy with computational efficiency. This paper introduces TinierHAR, an ultra-lightweight deep learning architecture that…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Sizhen Bian , Mengxi Liu , Vitor Fortes Rey , Daniel Geissler , Paul Lukowicz

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

Human activity recognition (HAR) based on mobile sensors plays an important role in ubiquitous computing. However, the rise of data regulatory constraints precludes collecting private and labeled signal data from personal devices at scale.…

Signal Processing · Electrical Eng. & Systems 2021-06-02 Chenglin Li , Di Niu , Bei Jiang , Xiao Zuo , Jianming Yang

Given the growing trend of continual learning techniques for deep neural networks focusing on the domain of computer vision, there is a need to identify which of these generalizes well to other tasks such as human activity recognition…

Machine Learning · Computer Science 2021-04-21 Saurav Jha , Martin Schiemer , Juan Ye

Deep learning models for human activity recognition (HAR) based on sensor data have been heavily studied recently. However, the generalization ability of deep models on complex real-world HAR data is limited by the availability of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Chenglin Li , Carrie Lu Tong , Di Niu , Bei Jiang , Xiao Zuo , Lei Cheng , Jian Xiong , Jianming Yang

In smart healthcare, Human Activity Recognition (HAR) is considered to be an efficient model in pervasive computation from sensor readings. The Ambient Assisted Living (AAL) in the home or community helps the people in providing independent…

Machine Learning · Computer Science 2021-11-22 Pankaj Khatiwada , Ayan Chatterjee , Matrika Subedi

While traditional feature engineering for Human Activity Recognition (HAR) involves a trial-anderror process, deep learning has emerged as a preferred method for high-level representations of sensor-based human activities. However, most…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Haoran Duan , Shidong Wang , Varun Ojha , Shizheng Wang , Yawen Huang , Yang Long , Rajiv Ranjan , Yefeng Zheng

In the realm of Human Activity Recognition (HAR), obtaining high quality and variance data is still a persistent challenge due to high costs and the inherent variability of real-world activities. This study introduces a generation dataset…

Human-Computer Interaction · Computer Science 2025-08-19 Anh Tuan Ha , Hoang Khang Phan , Thai Minh Tien Ngo , Anh Phan Truong , Nhat Tan Le

Human Action Recognition (HAR) aims to understand human behavior and assign a label to each action. It has a wide range of applications, and therefore has been attracting increasing attention in the field of computer vision. Human actions…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Zehua Sun , Qiuhong Ke , Hossein Rahmani , Mohammed Bennamoun , Gang Wang , Jun Liu

Real-time Human Activity Recognition (HAR) has wide-ranging applications in areas such as context-aware environments, public safety, assistive technologies, and autonomous monitoring and surveillance systems. However, existing real-time HAR…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Wasi Ullah , Yasir Noman Khalid , Saddam Hussain Khan

Human Activity Recognition (HAR) has seen significant advancements with the adoption of deep learning techniques, yet challenges remain in terms of data requirements, reliability and robustness. This paper explores a novel application of…

Machine Learning · Computer Science 2025-09-11 Matthew Nolan , Lina Yao , Robert Davidson

Sensor-based human activity recognition (HAR) has been an active research area, owing to its applications in smart environments, assisted living, fitness, healthcare, etc. Recently, deep learning based end-to-end training has resulted in…

Machine Learning · Computer Science 2024-01-19 Sourish Gunesh Dhekane , Thomas Ploetz

While deep learning has contributed to the advancement of sensor-based Human Activity Recognition (HAR), it is usually a costly and challenging supervised task with the needs of a large amount of labeled data. To alleviate this issue,…

Human-Computer Interaction · Computer Science 2022-03-24 Jinqiang Wang , Tao Zhu , Jingyuan Gan , Liming Chen , Huansheng Ning , Yaping Wan

We present a new adversarial deep learning framework for the problem of human activity recognition (HAR) using inertial sensors worn by people. Our framework incorporates a novel adversarial activity-based discrimination task that addresses…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Francisco M. Calatrava-Nicolás , Shoko Miyauchi , Oscar Martinez Mozos

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

Several techniques have been proposed to address the problem of recognizing activities of daily living from signals. Deep learning techniques applied to inertial signals have proven to be effective, achieving significant classification…

Signal Processing · Electrical Eng. & Systems 2022-01-21 Hamza Amrani , Daniela Micucci , Marco Mobilio , Paolo Napoletano

In this paper, we report a hierarchical deep learning model for classification of complex human activities using motion sensors. In contrast to traditional Human Activity Recognition (HAR) models used for event-based activity recognition,…

Machine Learning · Computer Science 2022-07-19 Eric Rosen , Doruk Senkal