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Human Activity Recognition (HAR) is one of the key applications of health monitoring that requires continuous use of wearable devices to track daily activities. This paper proposes an Adaptive CNN for energy-efficient HAR (AHAR) suitable…

Machine Learning · Computer Science 2022-01-04 Nafiul Rashid , Berken Utku Demirel , Mohammad Abdullah Al Faruque

To fluently collaborate with people, robots need the ability to recognize human activities accurately. Although modern robots are equipped with various sensors, robust human activity recognition (HAR) still remains a challenging task for…

Robotics · Computer Science 2020-08-17 Md Mofijul Islam , Tariq Iqbal

Human Activity Recognition (HAR) has shown remarkable effectiveness in various applications, such as smart healthcare and intelligent manufacturing. However, a major challenge faced by HAR is the distribution shift across different sensor…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Zhiqing Hong , Zelong Li , Xiubin Fan , Guang Yang , Baoshen Guo , Haotian Wang , Tian He , Desheng Zhang

Human activity recognition using deep learning techniques has become increasing popular because of its high effectivity with recognizing complex tasks, as well as being relatively low in costs compared to more traditional machine learning…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Wei Zhong Tee , Rushit Dave , Naeem Seliya , Mounika Vanamala

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…

Human-Computer Interaction · Computer Science 2021-12-22 Damien Bouchabou , Christophe Lohr , Ioannis Kanellos , Sao Mai Nguyen

This paper presents a comprehensive dataset intended to evaluate passive Human Activity Recognition (HAR) and localization techniques with measurements obtained from synchronized Radio-Frequency (RF) devices and vision-based sensors. The…

Human Activity Recognition (HAR) on resource constrained wearables requires models that balance accuracy against strict memory and computational budgets. State of the art lightweight architectures such as TinierHAR (34K parameters) and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Mridankan Mandal

Human activity recognition (HAR) in ubiquitous computing has been beginning to incorporate attention into the context of deep neural networks (DNNs), in which the rich sensing data from multimodal sensors such as accelerometer and gyroscope…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Wenbin Gao , Lei Zhang , Qi Teng , Jun He , Hao Wu

Human activity recognition (HAR) is essential in healthcare, elder care, security, and human-computer interaction. The use of precise sensor data to identify activities passively and continuously makes HAR accessible and ubiquitous.…

Human-Computer Interaction · Computer Science 2024-08-01 Argha Sen , Anirban Das , Swadhin Pradhan , Sandip Chakraborty

Despite the widespread integration of ambient light sensors (ALS) in smart devices commonly used for screen brightness adaptation, their application in human activity recognition (HAR), primarily through body-worn ALS, is largely…

Artificial Intelligence · Computer Science 2024-08-23 Lala Shakti Swarup Ray , Daniel Geißler , Mengxi Liu , Bo Zhou , Sungho Suh , Paul Lukowicz

With the propagation of sensor devices applied in smart home, activity recognition has ignited huge interest and most existing works assume that there is only one habitant. While in reality, there are generally multiple residents at home,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Jingjing Cao , Fukang Guo , Xin Lai , Qiang Zhou , Jinshan Dai

We propose two optimization techniques to minimize memory usage and computation while meeting system timing constraints for real-time classification in wearable systems. Our method derives a hierarchical classifier structure for Support…

Machine Learning · Computer Science 2019-07-09 Mahdi Pedram , Mahsan Rofouei , Francesco Fraternali , Zhila Esna Ashari , Hassan Ghasemzadeh

Human Activity Recognition (HAR) has recently witnessed advancements with Transformer-based models. Especially, ActionFormer shows us a new perspectives for HAR in the sense that this approach gives us additional outputs which detect the…

Machine Learning · Computer Science 2025-05-28 Kunpeng Zhao , Asahi Miyazaki , Tsuyoshi Okita

The lack of standardization across Wearable Human Activity Recognition (WHAR) datasets limits reproducibility, comparability, and research efficiency. We introduce WHAR datasets, an open-source library designed to simplify WHAR data…

Human-Computer Interaction · Computer Science 2025-09-03 Maximilian Burzer , Tobias King , Till Riedel , Michael Beigl , Tobias Röddiger

Human activity recognition (HAR) on resource constrained devices requires high accuracy across diverse sensor setups. Selective state space models (SSMs) offer efficient linear time sequence processing, presenting a compelling alternative…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Mridankan Mandal

The year 2023 was a key year for tinyML unleashing a new age of intelligent sensors pushing intelligence from the MCU into the source of the data at the sensor level, enabling them to perform sophisticated algorithms and machine learning…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Ahmed. S Benmessaoud , Wassim Kezai , Farida Medjani , Khalid Bouaita , Tahar Kezai

Human Activity Recognition (HAR) using on-body devices identifies specific human actions in unconstrained environments. HAR is challenging due to the inter and intra-variance of human movements; moreover, annotated datasets from on-body…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Shrutarv Awasthi , Fernando Moya Rueda , Gernot A. Fink

Anatomical movements of the human body can change the channel state information (CSI) of wireless signals in an indoor environment. These changes in the CSI signals can be used for human activity recognition (HAR), which is a predominant…

Human-Computer Interaction · Computer Science 2022-05-04 Hojjat Salehinejad , Shahrokh Valaee

Protective behavior exhibited by people with chronic pain (CP) during physical activities is the key to understanding their physical and emotional states. Existing automatic protective behavior detection (PBD) methods rely on…

Machine Learning · Computer Science 2021-02-03 Chongyang Wang , Yuan Gao , Akhil Mathur , Amanda C. De C. Williams , Nicholas D. Lane , Nadia Bianchi-Berthouze

Wearable sensor-based Human Action Recognition (HAR) has achieved remarkable success recently. However, the accuracy performance of wearable sensor-based HAR is still far behind the ones from the visual modalities-based system (i.e., RGB…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Jianyuan Ni , Anne H. H. Ngu , Yan Yan