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Human activity recognition (HAR) in Internet of Things (IoT) environments must cope with heterogeneous sensor settings that vary across datasets, devices, body locations, sensing modalities, and channel compositions. This heterogeneity…

Machine Learning · Computer Science 2026-04-24 Tatsuhito Hasegawa

Human activity recognition (HAR) is a classification task that aims to classify human activities or predict human behavior by means of features extracted from sensors data. Typical HAR systems use wearable sensors and/or handheld and mobile…

As part of daily monitoring of human activities, wearable sensors and devices are becoming increasingly popular sources of data. With the advent of smartphones equipped with acceloremeter, gyroscope and camera; it is now possible to develop…

Machine Learning · Computer Science 2015-10-20 Mehmet Emin Basbug , Koray Ozcan , Senem Velipasalar

Gesture recognition is a cornerstone of Human-Computer Interaction (HCI) for smart eyewear, enabling natural and device-free control in augmented reality environments. Traditional vision-based approaches face significant challenges…

Machine Learning · Computer Science 2026-05-14 Pietro Bartoli , Christian Veronesi , Tommaso Bondini , Andrea Giudici , Franco Zappa

While activity recognition from inertial sensors holds potential for mobile health, differences in sensing platforms and user movement patterns cause performance degradation. Aiming to address these challenges, we propose a transfer…

Emerging wearable sensors have enabled the unprecedented ability to continuously monitor human activities for healthcare purposes. However, with so many ambient sensors collecting different measurements, it becomes important not only to…

Machine Learning · Computer Science 2019-01-09 Randy Ardywibowo , Guang Zhao , Zhangyang Wang , Bobak Mortazavi , Shuai Huang , Xiaoning Qian

Wearable Human Activity Recognition (WHAR) is a prominent research area within ubiquitous computing. Multi-sensor synchronous measurement has proven to be more effective for WHAR than using a single sensor. However, existing WHAR methods…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Haoyu Xie , Haoxuan Li , Chunyuan Zheng , Haonan Yuan , Guorui Liao , Jun Liao , Li Liu

Together with the rapid development of the Internet of Things (IoT), human activity recognition (HAR) using wearable Inertial Measurement Units (IMUs) becomes a promising technology for many research areas. Recently, deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Ling Pei , Songpengcheng Xia , Lei Chu , Fanyi Xiao , Qi Wu , Wenxian Yu , Robert Qiu

Human activity recognition (HAR) is fundamental in human-robot collaboration (HRC), enabling robots to respond to and dynamically adapt to human intentions. This paper introduces a HAR system combining a modular data glove equipped with…

Physical activity patterns can be informative about a patient's health status. Traditionally, activity data have been gathered using patient self-report. However, these subjective data can suffer from bias and are difficult to collect over…

Methodology · Statistics 2022-02-08 Emily Huang , Kebin Yan , Jukka-Pekka Onnela

This chapter aims to aid the development of Cyber-Physical Systems (CPS) in automated understanding of events and activities in various applications of video-surveillance. These events are mostly captured by drones, CCTVs or novice and…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Swarnabja Bhaumik , Prithwish Jana , Partha Pratim Mohanta

This study presents a novel method to recognize human physical activities using CNN followed by LSTM. Achieving high accuracy by traditional machine learning algorithms, (such as SVM, KNN and random forest method) is a challenging task…

Signal Processing · Electrical Eng. & Systems 2020-03-16 Waqar Ahmad , Misbah Kazmi , Hazrat Ali

This paper presents a novel method for attitude estimation of an object in 3D space by incremental learning of the Long-Short Term Memory (LSTM) network. Gyroscope, accelerometer, and magnetometer are few widely used sensors in attitude…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Parag Narkhede , Rahee Walambe , Shashi Poddar , Ketan Kotecha

The ubiquity of personal digital devices offers unprecedented opportunities to study human behavior. Current state-of-the-art methods quantify physical activity using 'activity counts,' a measure which overlooks specific types of physical…

Human-Computer Interaction · Computer Science 2022-07-18 Marcin Straczkiewicz , Emily J. Huang , Jukka-Pekka Onnela

Objective: Worldwide, heart failure (HF) is a major cause of morbidity and mortality and one of the leading causes of hospitalization. Early detection of HF symptoms and pro-active management may reduce adverse events. Approach:…

Signal Processing · Electrical Eng. & Systems 2021-04-06 Ayse S. Cakmak , Samuel Densen , Gabriel Najarro , Pratik Rout , Christopher J. Rozell , Omer T. Inan , Amit J. Shah , Gari D. Clifford

MEx: Multi-modal Exercises Dataset is a multi-sensor, multi-modal dataset, implemented to benchmark Human Activity Recognition(HAR) and Multi-modal Fusion algorithms. Collection of this dataset was inspired by the need for recognising and…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Anjana Wijekoon , Nirmalie Wiratunga , Kay Cooper

Smartphones, smartwatches, fitness trackers, and ad-hoc wearable devices are being increasingly used to monitor human activities. Data acquired by the hosted sensors are usually processed by machine-learning-based algorithms to classify…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 Daniela Micucci , Marco Mobilio , Paolo Napoletano

We developed a ResNet-based human activity recognition (HAR) model with minimal overhead to detect gait versus non-gait activities and everyday activities (walking, running, stairs, standing, sitting, lying, sit-to-stand transitions). The…

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

Wearable computing and context awareness are the focuses of study in the field of artificial intelligence recently. One of the most appealing as well as challenging applications is the Human Activity Recognition (HAR) utilizing smart…

Machine Learning · Computer Science 2018-10-26 Mingtao Dong , Jindong Han