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Related papers: A Comparative Study of Human Activity Recognition:…

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Inertial Measurement Unit (IMU) sensors are widely employed for Human Activity Recognition (HAR) due to their portability, energy efficiency, and growing research interest. However, a significant challenge for IMU-HAR models is achieving…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Qi Qiu , Tao Zhu , Furong Duan , Kevin I-Kai Wang , Liming Chen , Mingxing Nie , Mingxing Nie

As of today, state-of-the-art activity recognition from wearable sensors relies on algorithms being trained to classify fixed windows of data. In contrast, video-based Human Activity Recognition, known as Temporal Action Localization (TAL),…

Machine Learning · Computer Science 2024-10-15 Marius Bock , Michael Moeller , Kristof Van Laerhoven

Generally, Human Activity Recognition (HAR) consists of monitoring and analyzing the behavior of one or more persons in order to deduce their activity. In a smart home context, the HAR consists of monitoring daily activities of the…

Human-Computer Interaction · Computer Science 2021-12-22 Damien Bouchabou , Christophe Lohr , Ioannis Kanellos , Sao Mai Nguyen

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

Detecting and interpreting operator actions, engagement, and object interactions in dynamic industrial workflows remains a significant challenge in human-robot collaboration research, especially within complex, real-world environments.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Naval Kishore Mehta , Arvind , Himanshu Kumar , Abeer Banerjee , Sumeet Saurav , Sanjay Singh

Natural Human-Robot Interaction (N-HRI) requires robots to recognize human actions at varying distances and states, regardless of whether the robot itself is in motion or stationary. This setup is more flexible and practical than…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Ziyi Wang , Peiming Li , Hong Liu , Zhichao Deng , Can Wang , Jun Liu , Junsong Yuan , Mengyuan Liu

Transportation mode recognition (TMR) is a critical component of human activity recognition (HAR) that focuses on understanding and identifying how people move within transportation systems. It is commonly based on leveraging inertial,…

Signal Processing · Electrical Eng. & Systems 2024-04-26 Christos Siargkas , Vasileios Papapanagiotou , Anastasios Delopoulos

Human Activity Recognition (HAR) enables context-aware user experiences where mobile apps can alter content and interactions depending on user activities. Hence, smartphones have become valuable for HAR as they allow large, and diversified…

Human-Computer Interaction · Computer Science 2023-01-18 Emma Bouton--Bessac , Lakmal Meegahapola , Daniel Gatica-Perez

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 action detection is a hot topic, which is widely used in video surveillance, human machine interface, healthcare monitoring, gaming, dancing training and musical instrument teaching. As inertial sensors are low cost, portable, and…

Signal Processing · Electrical Eng. & Systems 2021-12-14 Xia Gong , Yan Lu , Haoran Wei

Human activity recognition (HAR) using IMU sensors, namely accelerometer and gyroscope, has several applications in smart homes, healthcare and human-machine interface systems. In practice, the IMU-based HAR system is expected to encounter…

Human-Computer Interaction · Computer Science 2022-11-08 Anand Dubey , Niall Lyons , Avik Santra , Ashutosh Pandey

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

Multi-modality is an important feature of sensor based activity recognition. In this work, we consider two inherent characteristics of human activities, the spatially-temporally varying salience of features and the relations between…

Human-Computer Interaction · Computer Science 2019-05-23 Kaixuan Chen , Lina Yao , Dalin Zhang , Bin Guo , Zhiwen Yu

Human Activity Recognition (HAR) is a well-studied field with research dating back to the 1980s. Over time, HAR technologies have evolved significantly from manual feature extraction, rule-based algorithms, and simple machine learning…

Signal Processing · Electrical Eng. & Systems 2024-05-07 Duc-Anh Nguyen , Nhien-An Le-Khac

Despite advances in practical and multimodal fine-grained Human Activity Recognition (HAR), a system that runs entirely on smartwatches in unconstrained environments remains elusive. We present WatchHAR, an audio and inertial-based HAR…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Taeyoung Yeon , Vasco Xu , Henry Hoffmann , Karan Ahuja

Human activity recognition (HAR) based on multimodal sensors has become a rapidly growing branch of biometric recognition and artificial intelligence. However, how to fully mine multimodal time series data and effectively learn accurate…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Jialiang Wang , Haotian Wei , Yi Wang , Shu Yang , Chi Li

Wearable sensor-based Human Action Recognition (HAR) has made significant strides in recent times. However, the accuracy performance of wearable sensor-based HAR is currently still lagging behind that of visual modalities-based systems,…

Multimedia · Computer Science 2024-05-21 Jianyuan Ni , Hao Tang , Anne H. H. Ngu , Gaowen Liu , Yan Yan

Human Activity Recognition (HAR) plays a vital role in applications such as fitness tracking, smart homes, and healthcare monitoring. Traditional HAR systems often rely on single modalities, such as motion sensors or cameras, limiting…

Machine Learning · Computer Science 2025-08-05 Asmit Bandyopadhyay , Rohit Basu , Tanmay Sen , Swagatam Das

Human activity recognition (HAR) with deep learning models relies on large amounts of labeled data, often challenging to obtain due to associated cost, time, and labor. Self-supervised learning (SSL) has emerged as an effective approach to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Dominique Nshimyimana , Vitor Fortes Rey , Sungho Suh , Bo Zhou , Paul Lukowicz

Human Action Recognition (HAR) is a very crucial task in computer vision. It helps to carry out a series of downstream tasks, like understanding human behaviors. Due to the complexity of human behaviors, many highly valuable behaviors are…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Hongwu Li , Zhenliang Zhang , Wei Wang