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Limited access to medical infrastructure forces elderly and vulnerable patients to rely on home-based care, often leading to neglect and poor adherence to therapeutic exercises such as yoga or physiotherapy. To address this gap, we propose…

机器学习 · 计算机科学 2026-02-02 Ramakant Kumar , Pravin Kumar

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…

机器学习 · 计算机科学 2024-02-29 Celal Alagoz

The vast proliferation of sensor devices and Internet of Things enables the applications of sensor-based activity recognition. However, there exist substantial challenges that could influence the performance of the recognition system in…

人机交互 · 计算机科学 2021-01-25 Kaixuan Chen , Dalin Zhang , Lina Yao , Bin Guo , Zhiwen Yu , Yunhao Liu

In this article we propose the use of accelerometer embedded by default in smartphone as a cost-effective, reliable and efficient way to provide remote physical activity monitoring for the elderly and people requiring healthcare service.…

人机交互 · 计算机科学 2013-11-06 Hamed Ketabdar , Jalaluddin Qureshi , Pan Hui

Sensor-based human activity recognition (HAR) requires to predict the action of a person based on sensor-generated time series data. HAR has attracted major interest in the past few years, thanks to the large number of applications enabled…

机器学习 · 计算机科学 2021-03-30 Davide Buffelli , Fabio Vandin

Maintaining a high quality of life through physical activities (PA) to prevent health decline is crucial. However, the relationship between individuals health status, PA preferences, and motion factors is complex. PA discussions…

人机交互 · 计算机科学 2024-01-30 E. Wianto , H. Toba , M. Malinda , Chien-Hsu Chen

Compared to other biometrics, gait is difficult to conceal and has the advantage of being unobtrusive. Inertial sensors, such as accelerometers and gyroscopes, are often used to capture gait dynamics. These inertial sensors are commonly…

机器学习 · 计算机科学 2020-04-30 Qin Zou , Yanling Wang , Qian Wang , Yi Zhao , Qingquan Li

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,…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Hang Xiao , Ying Yu , Jiarui Li , Zhifan Yang , Haotian Tang , Hanyu Liu , Chao Li

Motion sensors (e.g., accelerometers) on smartphones have been demonstrated to be a powerful side channel for attackers to spy on users' inputs on touchscreen. In this paper, we reveal another motion accelerometer-based attack which is…

密码学与安全 · 计算机科学 2015-05-25 Jingyu Hua , Zhenyu Shen , Sheng Zhong

Wearable sensor based human activity recognition is a challenging problem due to difficulty in modeling spatial and temporal dependencies of sensor signals. Recognition models in closed-set assumption are forced to yield members of known…

计算机视觉与模式识别 · 计算机科学 2024-04-24 M Tanjid Hasan Tonmoy , Saif Mahmud , A K M Mahbubur Rahman , M Ashraful Amin , Amin Ahsan Ali

Activity recognition has shown impressive progress in recent years. However, the challenges of detecting fine-grained activities and understanding how they are combined into composite activities have been largely overlooked. In this work we…

计算机视觉与模式识别 · 计算机科学 2015-10-16 Marcus Rohrbach , Anna Rohrbach , Michaela Regneri , Sikandar Amin , Mykhaylo Andriluka , Manfred Pinkal , Bernt Schiele

The great success of wearables and smartphone apps for provision of extensive physical workout instructions boosts a whole industry dealing with consumer oriented sensors and sports equipment. But with these opportunities there are also new…

计算机与社会 · 计算机科学 2017-11-23 Andre Ebert , Marie Kiermeier , Chadly Marouane , Claudia Linnhoff-Popien

Research has shown the complementarity of camera- and inertial-based data for modeling human activities, yet datasets with both egocentric video and inertial-based sensor data remain scarce. In this paper, we introduce WEAR, an outdoor…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Marius Bock , Hilde Kuehne , Kristof Van Laerhoven , Michael Moeller

Complex human activity recognition (CHAR) remains a pivotal challenge within ubiquitous computing, especially in the context of smart environments. Existing studies typically require meticulous labeling of both atomic and complex…

人工智能 · 计算机科学 2024-08-07 Yuan Sun , Navid Salami Pargoo , Taqiya Ehsan , Zhao Zhang , Jorge Ortiz

Human Activity Recognition (HAR) primarily relied on traditional RGB cameras to achieve high-performance activity recognition. However, the challenging factors in real-world scenarios, such as insufficient lighting and rapid movements,…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Shiao Wang , Xiao Wang , Bo Jiang , Lin Zhu , Guoqi Li , Yaowei Wang , Yonghong Tian , Jin Tang

The prompt and accurate recognition of Continuous Human Activity (CHAR) is critical in identifying and responding to health events, particularly fall risk assessment. In this paper, we examine a multi-antenna radar system that can process…

图像与视频处理 · 电气工程与系统科学 2023-04-14 John Kobak , Bennett J. Richman , LaJuan Washington , Syed A. Hamza

Wrist accelerometers for assessing hallmark measures of physical activity (PA) are rapidly growing with the advent of smartwatch technology. Given the growing popularity of wrist-worn accelerometers, there needs to be a rigorous evaluation…

信号处理 · 电气工程与系统科学 2021-05-17 Mamoun T. Mardini , Subhash Nerella Amal A. Wanigatunga , Santiago Saldana , Ramon Casanova , Todd M. Manini

In the human activity recognition research area, prior studies predominantly concentrate on leveraging advanced algorithms on public datasets to enhance recognition performance, little attention has been paid to executing real-time kitchen…

信号处理 · 电气工程与系统科学 2024-09-11 Mengxi Liu , Sungho Suh , Juan Felipe Vargas , Bo Zhou , Agnes Grünerbl , Paul Lukowicz

Resting heart rate (RHR) is an important biomarker of cardiovascular health and mortality, but tracking it longitudinally generally requires a wearable device, limiting its availability. We present PHRM, a deep learning system for passive…

Activity recognition systems that are capable of estimating human activities from wearable inertial sensors have come a long way in the past decades. Not only have state-of-the-art methods moved away from feature engineering and have fully…

人机交互 · 计算机科学 2021-10-14 Marius Bock , Alexander Hoelzemann , Michael Moeller , Kristof Van Laerhoven