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The primary objective of human activity recognition (HAR) is to infer ongoing human actions from sensor data, a task that finds broad applications in health monitoring, safety protection, and sports analysis. Despite proliferating research,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Hang Xiao , Ying Yu , Jiarui Li , Zhifan Yang , Haotian Tang , Hanyu Liu , Chao Li

Human Activity Recognition (HAR) is a crucial technology for many applications such as smart homes, surveillance, human assistance and health care. This technology utilises pattern recognition and can contribute to the development of…

Human-Computer Interaction · Computer Science 2022-06-10 Farhad Nazari , Darius Nahavandi , Navid Mohajer , Abbas Khosravi

Sensor-based Human Activity Recognition (HAR) underpins many ubiquitous and wearable computing applications, yet current models remain limited by scarce labels, sensor heterogeneity, and weak generalization across users, devices, and…

Signal Processing · Electrical Eng. & Systems 2026-04-10 Sizhen Bian , Mengxi Liu , Lala Shakti Swarup Ray , Bo Zhou , Bin Guo , Zhiwen Yu , Thomas Ploetz , Paul Lukowicz , Siyu Yuan , Vitor Fortes Rey

Human Activity Recognition (HAR) based on inertial data is an increasingly diffused task on embedded devices, from smartphones to ultra low-power sensors. Due to the high computational complexity of deep learning models, most embedded HAR…

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

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

Human Activity Recognition (HAR) is a core task in pervasive computing systems, where models must operate under strict computational constraints while remaining robust to heterogeneous and evolving deployment conditions. Recent advances…

Machine Learning · Computer Science 2026-05-13 Aleksandr Bredikhin , Philippe Lalanda , German Vega

Machine learning and deep learning have shown great promise in mobile sensing applications, including Human Activity Recognition. However, the performance of such models in real-world settings largely depends on the availability of large…

Machine Learning · Computer Science 2021-02-12 Chi Ian Tang , Ignacio Perez-Pozuelo , Dimitris Spathis , Soren Brage , Nick Wareham , Cecilia Mascolo

Despite recognized limitations in modeling long-range temporal dependencies, Human Activity Recognition (HAR) has traditionally relied on a sliding window approach to segment labeled datasets. Deep learning models like the DeepConvLSTM…

Machine Learning · Computer Science 2025-05-28 Marius Bock , Michael Moeller , Kristof Van Laerhoven

Human Activity Recognition (HAR) has been extensively studied, with recent emphasis on the implementation of advanced Machine Learning (ML) and Deep Learning (DL) algorithms for accurate classification. This study investigates the efficacy…

Machine Learning · Computer Science 2024-02-29 Celal Alagoz

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

Human Activity Recognition (HAR) is considered a valuable research topic in the last few decades. Different types of machine learning models are used for this purpose, and this is a part of analyzing human behavior through machines. It is…

Machine Learning · Computer Science 2021-03-31 Jakaria Rabbi , Md. Tahmid Hasan Fuad , Md. Abdul Awal

Recognizing human actions in video sequences, known as Human Action Recognition (HAR), is a challenging task in pattern recognition. While Convolutional Neural Networks (ConvNets) have shown remarkable success in image recognition, they are…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Nguyen Huu Phong , Bernardete Ribeiro

Human activity recognition (HAR) from on-body sensors is a core functionality in many AI applications: from personal health, through sports and wellness to Industry 4.0. A key problem holding up progress in wearable sensor-based HAR,…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Si Zuo , Vitor Fortes Rey , Sungho Suh , Stephan Sigg , Paul Lukowicz

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

Human action recognition (HAR) is a high-level and significant research area in computer vision due to its ubiquitous applications. The main limitations of the current HAR models are their complex structures and lengthy training time. In…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 K. Alomar , X. Cai

In the many years since the inception of wearable sensor-based Human Activity Recognition (HAR), a wide variety of methods have been introduced and evaluated for their ability to recognize activities. Substantial gains have been made since…

Signal Processing · Electrical Eng. & Systems 2025-01-06 Harish Haresamudram , Chi Ian Tang , Sungho Suh , Paul Lukowicz , Thomas Ploetz

Human activity recognition (HAR) is a very active research field. Recently, deep learning techniques are being exploited to recognize human activities from inertial signals. However, to compute accurate and reliable deep learning models, a…

Computers and Society · Computer Science 2019-05-30 Anna Ferrari , Daniela Micucci , Marco Mobilio , Paolo Napoletano

Human Activity Recognition (HAR), based on machine and deep learning algorithms is considered one of the most promising technologies to monitor professional and daily life activities for different categories of people (e.g., athletes,…

Signal Processing · Electrical Eng. & Systems 2024-11-19 Florenc Demrozi , Cristian Turetta , Graziano Pravadelli

Human Activity Recognition (HAR) plays a critical role in numerous applications, including healthcare monitoring, fitness tracking, and smart environments. Traditional deep learning (DL) approaches, while effective, often require extensive…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Mohammad Alikhani