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Even with the recent advances in convolutional neural networks (CNN) in various visual recognition tasks, the state-of-the-art action recognition system still relies on hand crafted motion feature such as optical flow to achieve the best…

计算机视觉与模式识别 · 计算机科学 2018-02-20 Joe Yue-Hei Ng , Jonghyun Choi , Jan Neumann , Larry S. Davis

Recognising human activities from streaming videos poses unique challenges to learning algorithms: predictive models need to be scalable, incrementally trainable, and must remain bounded in size even when the data stream is arbitrarily…

机器学习 · 统计学 2016-10-06 Rocco De Rosa , Ilaria Gori , Fabio Cuzzolin , Barbara Caputo , Nicolò Cesa-Bianchi

Batteryless or so called passive wearables are providing new and innovative methods for human activity recognition (HAR), especially in healthcare applications for older people. Passive sensors are low cost, lightweight, unobtrusive and…

机器学习 · 计算机科学 2019-06-07 Alireza Abedin , S. Hamid Rezatofighi , Qinfeng Shi , Damith C. Ranasinghe

Sensor-based Human Activity Recognition (HAR) is crucial in ubiquitous computing, analysing behaviours through multi-dimensional observations. Despite research progress, HAR confronts challenges, particularly in data distribution…

信号处理 · 电气工程与系统科学 2025-03-05 Xiaozhou Ye , Kouichi Sakurai , Nirmal Nair , Kevin I-Kai Wang

Human activity recognition (HAR) refers to the process of identifying human actions and activities using data collected from sensors. Neural networks, such as convolutional neural networks (CNNs), long short-term memory (LSTM) networks,…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Abeer FathAllah Brery , Ascensión Gallardo-Antolín , Israel Gonzalez-Carrasco , Mahmoud Fakhry

Human Activity Recognition (HAR) stands as a pivotal technique within pattern recognition, dedicated to deciphering human movements and actions utilizing one or multiple sensory inputs. Its significance extends across diverse applications,…

人机交互 · 计算机科学 2024-06-18 Farhad Nazari , Arian Shajari , Darius Nahavandi , Navid Mohajer

Context-aware Human Activity Recognition (CHAR) is challenging due to the need to recognize the user's current activity from signals that vary significantly with contextual factors such as phone placements and the varied styles with which…

机器学习 · 计算机科学 2024-09-27 Wen Ge , Guanyi Mou , Emmanuel O. Agu , Kyumin Lee

The demand for accurate on-device pattern recognition in edge applications is intensifying, yet existing approaches struggle to reconcile accuracy with computational constraints. To address this challenge, a resource-aware hierarchical…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Boyu Li , Kuangji Zuo , Lincong Li , Yonghui Wu

Understanding accurate information on human behaviours is one of the most important tasks in machine intelligence. Human Activity Recognition that aims to understand human activities from a video is a challenging task due to various…

计算机视觉与模式识别 · 计算机科学 2021-06-25 Ivaxi Sheth

Human Activity Recognition (HAR) using wearable sensor data has become a central task in mobile computing, healthcare, and human-computer interaction. Despite the success of traditional deep learning models such as CNNs and RNNs, they often…

机器学习 · 计算机科学 2025-05-27 Yunbo Liu , Xukui Qin , Yifan Gao , Xiang Li , Chengwei Feng

Human activity recognition is one of the most important tasks in computer vision and has proved useful in different fields such as healthcare, sports training and security. There are a number of approaches that have been explored to solve…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Sheryl Mathew , Annapoorani Subramanian , Pooja , Balamurugan MS , Manoj Kumar Rajagopal

Human Activity Recognition (HAR) is a crucial technology for many applications such as smart homes, surveillance, human assistance and health care. This technology utilises pattern recognition and can contribute to the development of…

人机交互 · 计算机科学 2022-06-10 Farhad Nazari , Darius Nahavandi , Navid Mohajer , Abbas Khosravi

Classifying network traffic is the basis for important network applications. Prior research in this area has faced challenges on the availability of representative datasets, and many of the results cannot be readily reproduced. Such a…

机器学习 · 计算机科学 2021-06-09 Onur Barut , Yan Luo , Tong Zhang , Weigang Li , Peilong Li

Human Activity Recognition (HAR) is a central problem for context-aware applications, especially for smart homes and assisted living. A few very recent studies have shown that Large Language Models (LLMs) can be used for HAR at home,…

人工智能 · 计算机科学 2026-01-13 Julien Cumin , Oussama Er-Rahmany , Xi Chen

The non-stationary nature of data streams strongly challenges traditional machine learning techniques. Although some solutions have been proposed to extend traditional machine learning techniques for handling data streams, these approaches…

机器学习 · 计算机科学 2021-06-23 Xuyang Yan , Abdollah Homaifar , Mrinmoy Sarkar , Abenezer Girma , Edward Tunstel

Measures of Activity of Daily Living (ADL) are an important indicator of overall health but difficult to measure in-clinic. Automated and accurate human activity recognition (HAR) using wrist-worn accelerometers enables practical and cost…

机器学习 · 计算机科学 2021-12-24 Niranjan Sridhar , Lance Myers

Wearables are fundamental to improving our understanding of human activities, especially for an increasing number of healthcare applications from rehabilitation to fine-grained gait analysis. Although our collective know-how to solve Human…

机器学习 · 计算机科学 2020-07-15 Alireza Abedin , Mahsa Ehsanpour , Qinfeng Shi , Hamid Rezatofighi , Damith C. Ranasinghe

Streaming data are increasingly present in real-world applications such as sensor measurements, satellite data feed, stock market, and financial data. The main characteristics of these applications are the online arrival of data…

机器学习 · 计算机科学 2020-07-01 Vinicius M. A. Souza , Denis M. dos Reis , Andre G. Maletzke , Gustavo E. A. P. A. Batista

Real-time Human Activity Recognition (HAR) has wide-ranging applications in areas such as context-aware environments, public safety, assistive technologies, and autonomous monitoring and surveillance systems. However, existing real-time HAR…

计算机视觉与模式识别 · 计算机科学 2026-01-26 Wasi Ullah , Yasir Noman Khalid , Saddam Hussain Khan

Human activity recognition (HAR) is a crucial area of research that involves understanding human movements using computer and machine vision technology. Deep learning has emerged as a powerful tool for this task, with models such as…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Mohammad Belal , Taimur Hassan , Abdelfatah Ahmed , Ahmad Aljarah , Nael Alsheikh , Irfan Hussain