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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

Human activities within smart infrastructures generate a vast amount of IMU data from the wearables worn by individuals. Many existing studies rely on such sensory data for human activity recognition (HAR); however, one of the major…

信号处理 · 电气工程与系统科学 2024-10-28 Soumyajit Chatterjee , Arun Singh , Bivas Mitra , Sandip Chakraborty

Transformers have excelled in natural language processing and computer vision, paving their way to sensor-based Human Activity Recognition (HAR). Previous studies show that transformers outperform their counterparts exclusively when they…

机器学习 · 计算机科学 2024-10-18 Clayton Souza Leite , Henry Mauranen , Aziza Zhanabatyrova , Yu Xiao

As compared to simple actions, activities are much more complex, but semantically consistent with a human's real life. Techniques for action recognition from sensor generated data are mature. However, there has been relatively little work…

计算机视觉与模式识别 · 计算机科学 2016-11-08 Ye Liu , Liqiang Nie , Lei Han , Luming Zhang , David S Rosenblum

In this article we present SHARP, an original approach for obtaining human activity recognition (HAR) through the use of commercial IEEE 802.11 (Wi-Fi) devices. SHARP grants the possibility to discern the activities of different persons,…

信号处理 · 电气工程与系统科学 2022-11-08 Francesca Meneghello , Domenico Garlisi , Nicolò Dal Fabbro , Ilenia Tinnirello , Michele Rossi

In high-stake environments like emergency response or elder care, the integration of large language model (LLM), revolutionize risk assessment, resource allocation, and emergency responses in Human Activity Recognition (HAR) systems by…

人机交互 · 计算机科学 2024-10-07 Syed Mhamudul Hasan

Due to the increasing number of mobile robots including domestic robots for cleaning and maintenance in developed countries, human activity recognition is inevitable for congruent human-robot interaction. Needless to say that this is indeed…

人机交互 · 计算机科学 2018-09-26 Iyiola E. Olatunji

As a fundamental problem in ubiquitous computing and machine learning, sensor-based human activity recognition (HAR) has drawn extensive attention and made great progress in recent years. HAR aims to recognize human activities based on the…

信号处理 · 电气工程与系统科学 2022-03-01 Yimu Wang , Kun Yu , Yan Wang , Hui Xue

Artificial Intelligence (AI) has found application in Human Activity Recognition (HAR) in competitive sports. To date, most Machine Learning (ML) approaches for HAR have relied on offline (batch) training, imposing higher computational and…

Numerous methods have been proposed to detect, estimate, and analyze properties of people in images, including 3D pose, shape, contact, human-object interaction, and emotion. While widely applicable in vision and other areas, such methods…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Jing Lin , Yao Feng , Weiyang Liu , Michael J. Black

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

Several techniques have been proposed to address the problem of recognizing activities of daily living from signals. Deep learning techniques applied to inertial signals have proven to be effective, achieving significant classification…

信号处理 · 电气工程与系统科学 2022-01-21 Hamza Amrani , Daniela Micucci , Marco Mobilio , Paolo Napoletano

In recent years, personality has been regarded as a valuable personal factor being incorporated into numerous tasks such as sentiment analysis and product recommendation. This has led to widespread attention to text-based personality…

计算与语言 · 计算机科学 2023-12-29 Yu Ji , Wen Wu , Hong Zheng , Yi Hu , Xi Chen , Liang He

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

Recent human activity recognition (HAR) methods, based on on-body inertial sensors, have achieved increasing performance; however, this is at the expense of longer CPU calculations and greater energy consumption. Therefore, these complex…

计算机与社会 · 计算机科学 2018-09-26 Roman Chereshnev , Attila Kertesz-Farkas

We propose a sparse-coding framework for activity recognition in ubiquitous and mobile computing that alleviates two fundamental problems of current supervised learning approaches. (i) It automatically derives a compact, sparse and…

机器学习 · 计算机科学 2014-07-24 Sourav Bhattacharya , Petteri Nurmi , Nils Hammerla , Thomas Plötz

Human Activity Recognition (HAR) has been a popular research field due to the widespread of devices with sensors and computational power (e.g., smartphones and smartwatches). Applications for HAR systems have been extensively researched in…

人机交互 · 计算机科学 2023-08-28 Paulo J. S. Ferreira , João Mendes Moreira , João M. P. Cardoso

Wi-Fi-based human activity recognition (HAR) provides substantial convenience and has emerged as a thriving research field, yet the coarse spatial resolution inherent to Wi-Fi significantly hinders its ability to distinguish multiple…

信号处理 · 电气工程与系统科学 2025-10-22 Xin Li , Jingzhi Hu , Yinghui He , Hongbo Wang , Jin Gan , Jun Luo

Ambient sensor-based human activity recognition (HAR) in smart homes remains challenging due to the need for real-time inference, spatially grounded reasoning, and context-aware temporal modeling. Existing approaches often rely on…

机器学习 · 计算机科学 2025-11-11 Zishuai Liu , Weihang You , Jin Lu , Fei Dou

Human activity recognition (HAR) is one of the core research themes in ubiquitous and wearable computing. With the shift to deep learning (DL) based analysis approaches, it has become possible to extract high-level features and perform…

机器学习 · 计算机科学 2023-05-24 Shuai Shao , Yu Guan , Bing Zhai , Paolo Missier , Thomas Ploetz