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Low-resolution infrared-based human activity recognition (HAR) attracted enormous interests due to its low-cost and private. In this paper, a novel semi-supervised crossdomain neural network (SCDNN) based on 8 $\times$ 8 low-resolution…

信号处理 · 电气工程与系统科学 2024-03-06 Cunyi Yin , Xiren Miao , Jing Chen , Hao Jiang , Deying Chen , Yixuan Tong , Shaocong Zheng

Human activity recognition (HAR) using wearable sensors has advanced through various machine learning paradigms, each with inherent trade-offs between performance and labeling requirements. While fully supervised techniques achieve high…

机器学习 · 计算机科学 2025-12-24 Taoran Sheng , Manfred Huber

In this article, we present a survey of recent advances in passive human behaviour recognition in indoor areas using the channel state information (CSI) of commercial WiFi systems. Movement of human body causes a change in the wireless…

人工智能 · 计算机科学 2017-08-25 Siamak Yousefi , Hirokazu Narui , Sankalp Dayal , Stefano Ermon , Shahrokh Valaee

Human activity recognition (HAR) with wearables is promising research that can be widely adopted in many smart healthcare applications. In recent years, the deep learning-based HAR models have achieved impressive recognition performance.…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Songpengcheng Xia , Lei Chu , Ling Pei , Wenxian Yu , Robert C. Qiu

Human Activity Recognition (HAR) plays a critical role in numerous applications, including healthcare monitoring, fitness tracking, and smart environments. Traditional deep learning (DL) approaches, while effective, often require extensive…

信号处理 · 电气工程与系统科学 2025-11-04 Mohammad Alikhani

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

Generally, Human Activity Recognition (HAR) consists of monitoring and analyzing the behavior of one or more persons in order to deduce their activity. In a smart home context, the HAR consists of monitoring daily activities of the…

人机交互 · 计算机科学 2021-12-22 Damien Bouchabou , Christophe Lohr , Ioannis Kanellos , Sao Mai Nguyen

Multimodal sensors provide complementary information to develop accurate machine-learning methods for human activity recognition (HAR), but introduce significantly higher computational load, which reduces efficiency. This paper proposes an…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Ziqi Gao , Yuntao Wang , Jianguo Chen , Junliang Xing , Shwetak Patel , Xin Liu , Yuanchun Shi

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

Despite living in a multi-sensory world, most AI models are limited to textual and visual understanding of human motion and behavior. In fact, full situational awareness of human motion could best be understood through a combination of…

信号处理 · 电气工程与系统科学 2024-03-26 Abhi Kamboj , Minh Do

Human Activity Recognition (HAR) has been an active area of research, with applications ranging from healthcare to smart environments. The recent advancements in Large Language Models (LLMs) have opened new possibilities to leverage their…

机器学习 · 计算机科学 2025-12-24 Md Shakhrul Iman Siam , Ishtiaque Ahmed Showmik , Guanqun Song , Ting Zhu

Human behavior recognition has been considered as a core technology that can facilitate variety of applications. However, accurate detection and recognition of human behavior is still a big challenge that attracts a lot of research efforts.…

人机交互 · 计算机科学 2017-12-04 Zhu Wang , Bin Guo , Zhiwen Yu , Xingshe Zhou

Deep learning methods are successfully used in applications pertaining to ubiquitous computing, health, and well-being. Specifically, the area of human activity recognition (HAR) is primarily transformed by the convolutional and recurrent…

机器学习 · 计算机科学 2019-07-30 Aaqib Saeed , Tanir Ozcelebi , Johan Lukkien

Human activity recognition (HAR) in ubiquitous computing is beginning to adopt deep learning to substitute for well-established analysis techniques that rely on hand-crafted feature extraction and classification techniques. From these…

机器学习 · 计算机科学 2016-05-02 Nils Y. Hammerla , Shane Halloran , Thomas Ploetz

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

Background: Smartphones are now nearly ubiquitous; their numerous built-in sensors enable continuous measurement of activities of daily living, making them especially well-suited for health research. Researchers have proposed various human…

人机交互 · 计算机科学 2021-03-29 Marcin Straczkiewicz , Peter James , Jukka-Pekka Onnela

The problem of automatic identification of physical activities performed by human subjects is referred to as Human Activity Recognition (HAR). There exist several techniques to measure motion characteristics during these physical…

机器学习 · 计算机科学 2019-06-06 Antonio Bevilacqua , Kyle MacDonald , Aamina Rangarej , Venessa Widjaya , Brian Caulfield , Tahar Kechadi

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

The main streams of human activity recognition (HAR) algorithms are developed based on RGB cameras which are suffered from illumination, fast motion, privacy-preserving, and large energy consumption. Meanwhile, the biologically inspired…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Xiao Wang , Zongzhen Wu , Bo Jiang , Zhimin Bao , Lin Zhu , Guoqi Li , Yaowei Wang , Yonghong Tian

With the global population ageing, it is crucial to enable individuals to live independently and safely in their homes. Using ubiquitous sensors such as Passive InfraRed sensors (PIR) and door sensors is drawing increasing interest for…

机器学习 · 计算机科学 2026-01-21 Marina Vicini , Martin Rudorfer , Zhuangzhuang Dai , Luis J. Manso