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Human Activity Recognition (HAR) from wearable sensor data identifies movements or activities in unconstrained environments. HAR is a challenging problem as it presents great variability across subjects. Obtaining large amounts of labelled…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Arttu Lämsä , Jaakko Tervonen , Jussi Liikka , Constantino Álvarez Casado , Miguel Bordallo López

Human Activity Recognition (HAR) plays a critical role in a wide range of real-world applications, and it is traditionally achieved via wearable sensing. Recently, to avoid the burden and discomfort caused by wearable devices, device-free…

Networking and Internet Architecture · Computer Science 2021-10-29 Zhe Chen , Chao Cai , Tianyue Zheng , Jun Luo , Jie Xiong , Xin Wang

Continual learning, also known as lifelong learning, is an emerging research topic that has been attracting increasing interest in the field of machine learning. With human activity recognition (HAR) playing a key role in enabling numerous…

Machine Learning · Computer Science 2022-11-18 Rebecca Adaimi , Edison Thomaz

Human Activity Recognition (HAR) describes the machines ability to recognize human actions. Nowadays, most people on earth are health conscious, so people are more interested in tracking their daily activities using Smartphones or Smart…

Machine Learning · Computer Science 2022-05-23 Sanku Satya Uday , Satti Thanuja Pavani , T. Jaya Lakshmi , Rohit Chivukula

Current studies in Human Activity Recognition (HAR) primarily focus on the classification of activities through sensor data, while there is not much emphasis placed on recognizing the individuals performing these activities. This type of…

Machine Learning · Computer Science 2025-05-13 Debashish Saha , Piyush Malik , Adrika Saha

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.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Songpengcheng Xia , Lei Chu , Ling Pei , Wenxian Yu , Robert C. Qiu

Human Activity Recognition (HAR) is considered a valuable research topic in the last few decades. Different types of machine learning models are used for this purpose, and this is a part of analyzing human behavior through machines. It is…

Machine Learning · Computer Science 2021-03-31 Jakaria Rabbi , Md. Tahmid Hasan Fuad , Md. Abdul Awal

Deep learning has yielded state-of-the-art performance on many natural language processing tasks including named entity recognition (NER). However, this typically requires large amounts of labeled data. In this work, we demonstrate that the…

Computation and Language · Computer Science 2018-02-06 Yanyao Shen , Hyokun Yun , Zachary C. Lipton , Yakov Kronrod , Animashree Anandkumar

Recently, deep learning has represented an important research trend in human activity recognition (HAR). In particular, deep convolutional neural networks (CNNs) have achieved state-of-the-art performance on various HAR datasets. For deep…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Xin Cheng , Lei Zhang , Yin Tang , Yue Liu , Hao Wu , Jun He

Human activity recognition (HAR) with wearables is one of the serviceable technologies in ubiquitous and mobile computing applications. The sliding-window scheme is widely adopted while suffering from the multi-class windows problem. As a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Songpengcheng Xia , Lei Chu , Ling Pei , Jiarui Yang , Wenxian Yu , Robert C. Qiu

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) 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

Deep neural networks can be effective means to automatically classify aerial images but is easy to overfit to the training data. It is critical for trained neural networks to be robust to variations that exist between training and test…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Jiayun Wang , Patrick Virtue , Stella X. Yu

In the recent years there has been a growing interest in techniques able to automatically recognize activities performed by people. This field is known as Human Activity recognition (HAR). HAR can be crucial in monitoring the wellbeing of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Anna Ferrari , Daniela Micucci , Marco Mobilio , Paolo Napoletano

Supervised Deep Learning (DL) models are currently the leading approach for sensor-based Human Activity Recognition (HAR) on wearable and mobile devices. However, training them requires large amounts of labeled data whose collection is…

Machine Learning · Computer Science 2023-04-20 Luca Arrotta , Gabriele Civitarese , Samuele Valente , Claudio Bettini

Human Activity Recognition (HAR) using wearable sensor data has become a central task in mobile computing, healthcare, and human-computer interaction. Despite the success of traditional deep learning models such as CNNs and RNNs, they often…

Machine Learning · Computer Science 2025-05-27 Yunbo Liu , Xukui Qin , Yifan Gao , Xiang Li , Chengwei Feng

It is expensive and time-consuming to collect sufficient labeled data to build human activity recognition (HAR) models. Training on existing data often makes the model biased towards the distribution of the training data, thus the model…

Artificial Intelligence · Computer Science 2022-06-15 Wang Lu , Jindong Wang , Yiqiang Chen , Sinno Jialin Pan , Chunyu Hu , Xin Qin

In recent years, deep learning has emerged as a potent tool across a multitude of domains, leading to a surge in research pertaining to its application in the wearable human activity recognition (WHAR) domain. Despite the rapid development,…

Machine Learning · Computer Science 2024-01-12 Yiran Huang , Haibin Zhao , Yexu Zhou , Till Riedel , Michael Beigl

Wearable computing and context awareness are the focuses of study in the field of artificial intelligence recently. One of the most appealing as well as challenging applications is the Human Activity Recognition (HAR) utilizing smart…

Machine Learning · Computer Science 2018-10-26 Mingtao Dong , Jindong Han

Training deep learning models on in-home IoT sensory data is commonly used to recognise human activities. Recently, federated learning systems that use edge devices as clients to support local human activity recognition have emerged as a…

Machine Learning · Computer Science 2021-04-01 Yuchen Zhao , Hanyang Liu , Honglin Li , Payam Barnaghi , Hamed Haddadi