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Recent research into human action recognition (HAR) has focused predominantly on skeletal action recognition and video-based methods. With the increasing availability of consumer-grade depth sensors and Lidar instruments, there is a growing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 James Dickens

Current studies in Human Activity Recognition (HAR) primarily focus on the classification of activities through sensor data, while there is not much emphasis placed on recognizing the individuals performing these activities. This type of…

Machine Learning · Computer Science 2025-05-13 Debashish Saha , Piyush Malik , Adrika Saha

Human Activity Recognition (HAR) aims to recognize activities by training models on massive sensor data. In real-world deployment, a crucial aspect of HAR that has been largely overlooked is that the test sets may have different…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Di Xiong , Shuoyuan Wang , Lei Zhang , Wenbo Huang , Chaolei Han

Human activity recognition (HAR) research has increased in recent years due to its applications in mobile health monitoring, activity recognition, and patient rehabilitation. The typical approach is training a HAR classifier offline with…

Signal Processing · Electrical Eng. & Systems 2021-02-24 Sizhe An , Ganapati Bhat , Suat Gumussoy , Umit Ogras

Recent human activity recognition (HAR) methods, based on on-body inertial sensors, have achieved increasing performance; however, this is at the expense of longer CPU calculations and greater energy consumption. Therefore, these complex…

Computers and Society · Computer Science 2018-09-26 Roman Chereshnev , Attila Kertesz-Farkas

Human activity recognition based on the computer vision is the process of labelling image sequences with action labels. Accurate systems for this problem are applied in areas such as visual surveillance, human computer interaction and video…

Computer Vision and Pattern Recognition · Computer Science 2014-08-15 Jay Prakash Gupta , Pushkar Dixit , Nishant Singh , Vijay Bhaskar Semwal

This paper introduces AutoGCN, a generic Neural Architecture Search (NAS) algorithm for Human Activity Recognition (HAR) using Graph Convolution Networks (GCNs). HAR has gained attention due to advances in deep learning, increased data…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Felix Tempel , Inga Strümke , Espen Alexander F. Ihlen

Human Activity Recognition (HAR) has gained significant importance with the growing use of sensor-equipped devices and large datasets. This paper evaluates the performance of three categories of models : classical machine learning, deep…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Md Meem Hossain , The Anh Han , Safina Showkat Ara , Zia Ush Shamszaman

Human Activity Recognition (HAR) is a field of study that focuses on identifying and classifying human activities. Skeleton-based Human Activity Recognition has received much attention in recent years, where Graph Convolutional Network…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Jingyao Wang , Emmanuel Bergeret , Issam Falih

Automatic analysis of the video is one of most complex problems in the fields of computer vision and machine learning. A significant part of this research deals with (human) activity recognition (HAR) since humans, and the activities that…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Konstantin Sozykin , Stanislav Protasov , Adil Khan , Rasheed Hussain , Jooyoung Lee

Wearable sensor-based human activity recognition (HAR) is a critical research domain in activity perception. However, achieving high efficiency and long sequence recognition remains a challenge. Despite the extensive investigation of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Shuangjian Li , Tao Zhu , Furong Duan , Liming Chen , Huansheng Ning , Christopher Nugent , Yaping Wan

Wrist-worn smart devices are providing increased insights into human health, behaviour and performance through sophisticated analytics. However, battery life, device cost and sensor performance in the face of movement-related artefact…

Signal Processing · Electrical Eng. & Systems 2020-04-02 Eoin Brophy , Willie Muehlhausen , Alan F. Smeaton , Tomas E. Ward

This paper attempts at improving the accuracy of Human Action Recognition (HAR) by fusion of depth and inertial sensor data. Firstly, we transform the depth data into Sequential Front view Images(SFI) and fine-tune the pre-trained AlexNet…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Zeeshan Ahmad , Naimul Khan

Human Activity Recognition (HAR) has become one of the leading research topics of the last decade. As sensing technologies have matured and their economic costs have declined, a host of novel applications, e.g., in healthcare, industry,…

Machine Learning · Computer Science 2023-07-13 Florenc Demrozi , Cristian Turetta , Fadi Al Machot , Graziano Pravadelli , Philipp H. Kindt

The main streams of human activity recognition (HAR) algorithms are developed based on RGB cameras which are suffered from illumination, fast motion, privacy-preserving, and large energy consumption. Meanwhile, the biologically inspired…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Xiao Wang , Zongzhen Wu , Bo Jiang , Zhimin Bao , Lin Zhu , Guoqi Li , Yaowei Wang , Yonghong Tian

Human Activity Recognition (HAR) has recently witnessed advancements with Transformer-based models. Especially, ActionFormer shows us a new perspectives for HAR in the sense that this approach gives us additional outputs which detect the…

Machine Learning · Computer Science 2025-05-28 Kunpeng Zhao , Asahi Miyazaki , Tsuyoshi Okita

Processing sequential multi-sensor data becomes important in many tasks due to the dramatic increase in the availability of sensors that can acquire sequential data over time. Human Activity Recognition (HAR) is one of the fields which are…

Machine Learning · Computer Science 2020-11-24 Zeyd Boukhers , Danniene Wete , Steffen Staab

Human Activity Recognition (HAR) is a challenging, multi-label classification problem as activities may co-occur and sensor signals corresponding to the same activity may vary in different contexts (e.g., different device placements). This…

Machine Learning · Computer Science 2024-09-30 Wen Ge , Guanyi Mou , Emmanuel O. Agu , Kyumin Lee

Human Activity Recognition (HAR) research has gained significant momentum due to recent technological advancements, artificial intelligence algorithms, the need for smart cities, and socioeconomic transformation. However, existing computer…

Machine Learning · Computer Science 2023-05-10 Md. Mohi Uddin Khan , Abdullah Bin Shams , Md. Mohsin Sarker Raihan

There has been much recent research on human activity re\-cog\-ni\-tion (HAR), due to the proliferation of wearable sensors in watches and phones, and the advances of deep learning methods, which avoid the need to manually extract features…

Machine Learning · Computer Science 2022-09-20 Louis Mahon , Thomas Lukasiewicz