English
Related papers

Related papers: In-sensor 24 classes HAR under 850 Bytes

200 papers

Human Activity Recognition (HAR) is a challenging problem that needs advanced solutions than using handcrafted features to achieve a desirable performance. Deep learning has been proposed as a solution to obtain more accurate HAR systems…

Machine Learning · Computer Science 2020-07-08 Hamed Damirchi , Rooholla Khorrambakht , Hamid Taghirad

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

Previous work has demonstrated that virtual accelerometry data, extracted from videos using cross-modality transfer approaches like IMUTube, is beneficial for training complex and effective human activity recognition (HAR) models. Systems…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Zikang Leng , Yash Jain , Hyeokhyen Kwon , Thomas Plötz

In the last decade, Human Activity Recognition (HAR) has become a vibrant research area, especially due to the spread of electronic devices such as smartphones, smartwatches and video cameras present in our daily lives. In addition, the…

Signal Processing · Electrical Eng. & Systems 2020-11-20 Florenc Demrozi , Graziano Pravadelli , Azra Bihorac , Parisa Rashidi

The ubiquitous availability of smartphones and smartwatches with integrated inertial measurement units (IMUs) enables straightforward capturing of human activities. For specific applications of sensor based human activity recognition (HAR),…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Megha Thukral , Harish Haresamudram , Thomas Ploetz

As a critical component of Wearable AI, IMU-based Human Activity Recognition (HAR) has attracted increasing attention from both academia and industry in recent years. Although HAR performance has improved considerably in specific scenarios,…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Yize Cai , Baoshen Guo , Flora Salim , Zhiqing Hong

Most recent work on vision-based human activity recognition (HAR) focuses on designing complex deep learning models for the task. In so doing, there is a requirement for large datasets to be collected. As acquiring and processing large…

Computer Vision and Pattern Recognition · Computer Science 2020-04-30 Bruce X. B. Yu , Yan Liu , Keith C. C. Chan

Human Activity Recognition (HAR) is a relevant inference task in many mobile applications. State-of-the-art HAR at the edge is typically achieved with lightweight machine learning models such as decision trees and Random Forests (RFs),…

Modern wearable and mobile devices are equipped with inertial measurement units (IMUs). Human Activity Recognition (HAR) applications running on such devices use machine-learning-based, data-driven techniques that leverage such sensor data.…

Machine Learning · Computer Science 2026-03-13 Alex Gn , Fan Li , S Kuniyilh , Ada Axan

Human Activity Recognition (HAR) is one of the fundamental building blocks of human assistive devices like orthoses and exoskeletons. There are different approaches to HAR depending on the application. Numerous studies have been focused on…

Human-Computer Interaction · Computer Science 2024-03-08 Farhad Nazari , Darius Nahavandi , Navid Mohajer , Abbas Khosravi

Tiny Machine Learning (TinyML) enables efficient, lowcost, and privacy preserving machine learning inference directly on microcontroller units (MCUs) connected to sensors. Optimizing models for these constrained environments is crucial.…

Machine Learning · Computer Science 2024-09-18 Riya Samanta , Bidyut Saha , Soumya K. Ghosh , Ram Babu Roy

Wearable sensor-based human activity recognition (HAR) has been a research focus in the field of ubiquitous and mobile computing for years. In recent years, many deep models have been applied to HAR problems. However, deep learning methods…

Signal Processing · Electrical Eng. & Systems 2020-12-16 Yujiao Hao , Boyu Wang , Rong Zheng

Human Activity Recognition (HAR) with wearable sensors is essential for applications in healthcare, fitness, and human-computer interaction. Bio-impedance sensing offers unique advantages for fine-grained motion capture but remains…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Lala Shakti Swarup Ray , Mengxi Liu , Deepika Gurung , Bo Zhou , Sungho Suh , Paul Lukowicz

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…

Machine Learning · Computer Science 2025-12-24 Md Shakhrul Iman Siam , Ishtiaque Ahmed Showmik , Guanqun Song , Ting Zhu

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…

Machine Learning · Computer Science 2019-06-07 Alireza Abedin , S. Hamid Rezatofighi , Qinfeng Shi , Damith C. Ranasinghe

The development of robust, generalized models in human activity recognition (HAR) has been hindered by the scarcity of large-scale, labeled data sets. Recent work has shown that virtual IMU data extracted from videos using computer vision…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Zikang Leng , Hyeokhyen Kwon , Thomas Plötz

Inertial sensor-based human activity recognition (HAR) is the base of many human-centered mobile applications. Deep learning-based fine-grained HAR models enable accurate classification in various complex application scenarios.…

Machine Learning · Computer Science 2024-09-16 Runze Chen , Haiyong Luo , Fang Zhao , Xuechun Meng , Zhiqing Xie , Yida Zhu

While traditional feature engineering for Human Activity Recognition (HAR) involves a trial-anderror process, deep learning has emerged as a preferred method for high-level representations of sensor-based human activities. However, most…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Haoran Duan , Shidong Wang , Varun Ojha , Shizheng Wang , Yawen Huang , Yang Long , Rajiv Ranjan , Yefeng Zheng

Human Activity Recognition (HAR) via Wi-Fi Channel State Information (CSI) presents a privacy-preserving, contactless sensing approach suitable for smart homes, healthcare monitoring, and mobile IoT systems. However, existing methods often…

Machine Learning · Computer Science 2025-10-31 Kexing Liu

Human activity recognition (HAR) is a classification task that aims to classify human activities or predict human behavior by means of features extracted from sensors data. Typical HAR systems use wearable sensors and/or handheld and mobile…