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In precision sports such as archery, athletes' performance depends on both biomechanical stability and psychological resilience. Traditional motion analysis systems are often expensive and intrusive, limiting their use in natural training…

机器学习 · 计算机科学 2025-11-19 Xianghe Liu , Jiajia Liu , Chuxian Xu , Minghan Wang , Hongbo Peng , Tao Sun , Jiaqi Xu

With the rapid increase in digital technologies, most fields of study include recognition of human activity and intention recognition, which are essential in smart environments. In this study, we equipped the activity recognition system…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Sahar Darafsh , Saeed Shiry Ghidary , Morteza Saheb Zamani

Existing activity tracker datasets for human activity recognition are typically obtained by having participants perform predefined activities in an enclosed environment under supervision. This results in small datasets with a limited number…

人机交互 · 计算机科学 2024-03-01 Shing Chan , Hang Yuan , Catherine Tong , Aidan Acquah , Abram Schonfeldt , Jonathan Gershuny , Aiden Doherty

The monitoring and prediction of in-class student activities is of paramount importance for the comprehension of engagement and the enhancement of pedagogical efficacy. The accurate detection of these activities enables educators to modify…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Luis Marquez-Carpintero , Sergio Suescun-Ferrandiz , Monica Pina-Navarro , Miguel Cazorla , Francisco Gomez-Donoso

The assessment of energy expenditure in real life is of great importance for monitoring the current physical state of people, especially in work, sport, elderly care, health care, and everyday life even. This work reports about application…

机器学习 · 计算机科学 2019-12-23 Peng Gang , Wei Zeng , Yuri Gordienko , Oleksandr Rokovyi , Oleg Alienin , Sergii Stirenko

Wearable sensors have permeated into people's lives, ushering impactful applications in interactive systems and activity recognition. However, practitioners face significant obstacles when dealing with sensing heterogeneities, requiring…

With the increasing number of IoT devices, there is a growing demand for energy-free sensors. Human activity recognition holds immense value in numerous daily healthcare applications. However, the majority of current sensing modalities…

信号处理 · 电气工程与系统科学 2023-08-11 Kaede Shintani , Hamada Rizk , Hirozumi Yamaguchi

Developing electroencephalogram (EEG) based brain-computer interface (BCI) systems is challenging. In this study, we analyzed natural grasp actions from EEG. Ten healthy subjects participated in this experiment. They executed and imagined…

人机交互 · 计算机科学 2020-02-06 Jeong-Hyun Cho , Ji-Hoon Jeong , Dong-Joo Kim , Seong-Whan Lee

We address the well-known wearable activity recognition problem of having to work with sensors that are non-optimal in terms of information they provide but have to be used due to wearability/usability concerns (e.g. the need to work with…

机器学习 · 计算机科学 2022-10-05 Vitor Fortes Rey , Sungho Suh , Paul Lukowicz

Rehabilitation training is the primary intervention to improve motor recovery after stroke, but a tool to measure functional training does not currently exist. To bridge this gap, we previously developed an approach to classify functional…

机器学习 · 计算机科学 2021-12-24 Avinash Parnandi , Jasim Uddin , Dawn M. Nilsen , Heidi Schambra

Wearable devices running Human Activity Recognition(HAR) on Inertial Measurement Units~(IMUs) waste energy by performing continuous classification for each window, even during long periods of unchanged activity. We address this with a…

信号处理 · 电气工程与系统科学 2026-05-05 Sara Rimoldi , Arianna De Vecchi , Hazem Hesham Yousef Shalby , Federica Villa

Elderly care is one of the many applications supported by real-time activity recognition systems. Traditional approaches use cameras, body sensor networks, or radio patterns from various sources for activity recognition. However, these…

其他计算机科学 · 计算机科学 2020-03-18 Liang Wang , Tao Gu , Xianping Tao , Jian Lu

The problem of automatic identification of physical activities performed by human subjects is referred to as Human Activity Recognition (HAR). There exist several techniques to measure motion characteristics during these physical…

机器学习 · 计算机科学 2019-06-06 Antonio Bevilacqua , Kyle MacDonald , Aamina Rangarej , Venessa Widjaya , Brian Caulfield , Tahar Kechadi

To date, research on sensor-equipped mobile devices has primarily focused on the purely supervised task of human activity recognition (walking, running, etc), demonstrating limited success in inferring high-level health outcomes from…

机器学习 · 计算机科学 2020-11-10 Dimitris Spathis , Ignacio Perez-Pozuelo , Soren Brage , Nicholas J. Wareham , Cecilia Mascolo

We present a model-based framework for robot locomotion that achieves walking based on only 4.5 minutes (45,000 control steps) of data collected on a quadruped robot. To accurately model the robot's dynamics over a long horizon, we…

机器学习 · 计算机科学 2019-10-08 Yuxiang Yang , Ken Caluwaerts , Atil Iscen , Tingnan Zhang , Jie Tan , Vikas Sindhwani

Smartphones and smartwatches are ever-present in daily life, and provide a rich source of information on their users' behaviour. In particular, digital traces derived from the phone's embedded movement sensors present an opportunity for a…

机器学习 · 计算机科学 2025-12-04 Conor McCarthy , Jan Peter van Zandwijk , Marcel Worring , Zeno Geradts

Human activity recognition is seen of great importance in the medical and surveillance fields. Radar has shown great feasibility for this field based on the captured micro-Doppler ({\mu}-D) signatures. In this paper, a MIMO radar is used to…

信号处理 · 电气工程与系统科学 2021-11-04 Fady Aziz , Omar Metwally , Pascal Weller , Urs Schneider , Marco F. Huber

Accurate physical activity level (PAL) classification could be beneficial for osteoarthritis (OA) management. This study examines the impact of sensor placement and deep learning models on AL classification using the Metabolic Equivalent of…

信号处理 · 电气工程与系统科学 2025-02-21 Bo Cui , Xiaowen Song , Tabak Monique , Bert-Jan van Beijnum , Ying Wang

Daily activity recognition has gained prominence due to its applications in context-aware computing. Current methods primarily rely on supervised learning for detecting simple, repetitive activities. This paper introduces LayeredSense, a…

人机交互 · 计算机科学 2025-02-14 Chak Man Lam

Human Activity Recognition (HAR) has become an increasingly popular task for embedded devices such as smartwatches. Most HAR systems for ultra-low power devices are based on classic Machine Learning (ML) models, whereas Deep Learning (DL),…

信号处理 · 电气工程与系统科学 2022-06-16 Francesco Daghero , Daniele Jahier Pagliari , Massimo Poncino