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Human activity recognition (HAR) is a key challenge in pervasive computing and its solutions have been presented based on various disciplines. Specifically, for HAR in a smart space without privacy and accessibility issues, data streams…

机器学习 · 计算机科学 2023-12-04 Hyunju Kim , Heesuk Son , Dongman Lee

In this paper, we propose an LLM-Guided Exemplar Selection framework to address a key limitation in state-of-the-art Human Activity Recognition (HAR) methods: their reliance on large labeled datasets and purely geometric exemplar selection,…

计算与语言 · 计算机科学 2026-01-05 Elsen Ronando , Sozo Inoue

Human activity recognition (HAR) is an essential research field that has been used in different applications including home and workplace automation, security and surveillance as well as healthcare. Starting from conventional machine…

信号处理 · 电气工程与系统科学 2023-09-15 Rebeen Ali Hamad , Wai Lok Woo , Bo Wei , Longzhi Yang

Human activity recognition (HAR) holds immense potential for transforming health and fitness monitoring, yet challenges persist in achieving personalized outcomes and sustainability for on-device continuous inferences. This work introduces…

信号处理 · 电气工程与系统科学 2024-09-04 Bidyut Saha , Riya Samanta , Soumya K Ghosh , Ram Babu Roy

Human Activity Recognition (HAR) based on inertial data is an increasingly diffused task on embedded devices, from smartphones to ultra low-power sensors. Due to the high computational complexity of deep learning models, most embedded HAR…

Recognizing human activities from multi-channel time series data collected from wearable sensors is ever more practical. However, in real-world conditions, coherent activities and body movements could happen at the same time, like moving…

信号处理 · 电气工程与系统科学 2020-04-21 Liming Zhang

Wi-Fi-based human activity recognition (HAR) has emerged as a promising approach for contactless sensing, leveraging channel state information (CSI) collected from wireless transceivers. While existing studies have primarily concentrated on…

信号处理 · 电气工程与系统科学 2026-05-21 Amirhossein Mohammadi , Hina Tabassum

Combining different sensing modalities with multiple positions helps form a unified perception and understanding of complex situations such as human behavior. Hence, human activity recognition (HAR) benefits from combining redundant and…

机器学习 · 计算机科学 2024-04-26 Hymalai Bello

Despite the vast literature on Human Activity Recognition (HAR) with wearable inertial sensor data, it is perhaps surprising that there are few studies investigating semisupervised learning for HAR, particularly in a challenging scenario…

Machine learning-based wearable human activity recognition (WHAR) models enable the development of various smart and connected community applications such as sleep pattern monitoring, medication reminders, cognitive health assessment,…

信号处理 · 电气工程与系统科学 2023-04-14 Avijoy Chakma , Abu Zaher Md Faridee , Indrajeet Ghosh , Nirmalya Roy

Over the past four decades, cheerleading has evolved from a sideline activity at major sporting events into a professional, competitive sport with growing global popularity. Evaluating tumbling elements in cheerleading relies on both…

计算机与社会 · 计算机科学 2025-03-10 Sophia Wesely , Ella Hofer , Robin Curth , Shyam Paryani , Nicole Mills , Olaf Ueberschär , Julia Westermayr

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),…

机器学习 · 计算机科学 2024-10-15 Marius Bock , Michael Moeller , Kristof Van Laerhoven

Wearable HAR has improved steadily, but most progress still relies on closed-set classification, which limits real-world use. In practice, human activity is open-ended, unscripted, personalized, and often compositional, unfolding as…

机器学习 · 计算机科学 2026-04-02 Lala Shakti Swarup Ray , Mengxi Liu , Alcina Pinto , Deepika Gurung , Daniel Geissler , Paul Lukowoicz , Bo Zhou

This work presents a wearable human activity recognition (HAR) system that performs real-time inference directly inside a shank-mounted inertial measurement unit (IMU) to support low-latency control of a lower-limb exoskeleton. Unlike…

机器人学 · 计算机科学 2026-02-26 Mohammadsaleh Razmi , Iman Shojaei

Deep neural network is an effective choice to automatically recognize human actions utilizing data from various wearable sensors. These networks automate the process of feature extraction relying completely on data. However, various noises…

信号处理 · 电气工程与系统科学 2021-01-05 Tanvir Mahmud , A. Q. M. Sazzad Sayyed , Shaikh Anowarul Fattah , Sun-Yuan Kung

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…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Dominique Nshimyimana , Vitor Fortes Rey , Sungho Suh , Bo Zhou , Paul Lukowicz

We present a new adversarial deep learning framework for the problem of human activity recognition (HAR) using inertial sensors worn by people. Our framework incorporates a novel adversarial activity-based discrimination task that addresses…

信号处理 · 电气工程与系统科学 2025-03-19 Francisco M. Calatrava-Nicolás , Shoko Miyauchi , Oscar Martinez Mozos

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

We propose a novel system for active semi-supervised feature-based action recognition. Given time sequences of features tracked during movements our system clusters the sequences into actions. Our system is based on encoder-decoder…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Jingyuan Li , Eli Shlizerman

Human Activity Recognition (HAR) plays a significant role in the everyday life of people because of its ability to learn extensive high-level information about human activity from wearable or stationary devices. A substantial amount of…

信号处理 · 电气工程与系统科学 2022-09-09 Md. Milon Islam , Sheikh Nooruddin , Fakhri Karray , Ghulam Muhammad