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Related papers: LaHAR: Latent Human Activity Recognition using LDA

200 papers

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…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Mohammad Alikhani

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

Multimodal human action recognition (HAR) leverages complementary sensors for activity classification. Beyond recognition, recent advances in large language models (LLMs) enable detailed descriptions and causal reasoning, motivating new…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Siyang Jiang , Mu Yuan , Xiang Ji , Bufang Yang , Zeyu Liu , Lilin Xu , Yang Li , Yuting He , Liran Dong , Wenrui Lu , Zhenyu Yan , Xiaofan Jiang , Wei Gao , Hongkai Chen , Guoliang Xing

Despite advances in practical and multimodal fine-grained Human Activity Recognition (HAR), a system that runs entirely on smartwatches in unconstrained environments remains elusive. We present WatchHAR, an audio and inertial-based HAR…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Taeyoung Yeon , Vasco Xu , Henry Hoffmann , Karan Ahuja

Developing zero-shot human activity recognition (HAR) methods is a critical direction in smart home research -- considering its impact on making HAR systems work across smart homes having diverse sensing modalities, layouts, and activities…

Artificial Intelligence · Computer Science 2025-07-30 Sourish Gunesh Dhekane , Thomas Ploetz

In human activity recognition (HAR), the limited availability of annotated data presents a significant challenge. Drawing inspiration from the latest advancements in generative AI, including Large Language Models (LLMs) and motion synthesis…

Computer Vision and Pattern Recognition · Computer Science 2023-10-19 Zikang Leng , Hyeokhyen Kwon , Thomas Plötz

Attention mechanisms have demonstrated significant potential in enhancing learning models by identifying key portions of input data, particularly in scenarios with limited training samples. Inspired by human perception, we propose that…

Artificial Intelligence · Computer Science 2025-04-22 Bahareh Nikpour , Narges Armanfard

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

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

The combination of increased life expectancy and falling birth rates is resulting in an aging population. Wearable Sensor-based Human Activity Recognition (WSHAR) emerges as a promising assistive technology to support the daily lives of…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Jianyuan Ni , Hao Tang , Syed Tousiful Haque , Yan Yan , Anne H. H. Ngu

Attribute representations became relevant in image recognition and word spotting, providing support under the presence of unbalance and disjoint datasets. However, for human activity recognition using sequential data from on-body sensors,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-05 Fernando Moya Rueda , Gernot A. Fink

In this work, we propose an open-source scalable end-to-end RTL framework FieldHAR, for complex human activity recognition (HAR) from heterogeneous sensors using artificial neural networks (ANN) optimized for FPGA or ASIC integration.…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Mengxi Liu , Bo Zhou , Zimin Zhao , Hyeonseok Hong , Hyun Kim , Sungho Suh , Vitor Fortes Rey , Paul Lukowicz

In the realm of smart sensing with the Internet of Things, earable devices are empowered with the capability of multi-modality sensing and intelligence of context-aware computing, leading to its wide usage in Human Activity Recognition…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Shengzhe Lyu , Yongliang Chen , Di Duan , Renqi Jia , Weitao Xu

Deep learning-based human activity recognition (HAR) methods have shown great promise in the applications of smart healthcare systems and wireless body sensor network (BSN). Despite their demonstrated performance in laboratory settings, the…

Human-Computer Interaction · Computer Science 2023-03-28 Baichun Wei , Chunzhi Yi , Qi Zhang , Haiqi Zhu , Jianfei Zhu , Feng Jiang

The problem of human activity recognition is central for understanding and predicting the human behavior, in particular in a prospective of assistive services to humans, such as health monitoring, well being, security, etc. There is…

Machine Learning · Statistics 2013-12-30 Faicel Chamroukhi , Samer Mohammed , Dorra Trabelsi , Latifa Oukhellou , Yacine Amirat

Dialogue Act Recognition (DAR) is a challenging problem in dialogue interpretation, which aims to attach semantic labels to utterances and characterize the speaker's intention. Currently, many existing approaches formulate the DAR problem…

Computation and Language · Computer Science 2017-11-16 Zheqian Chen , Rongqin Yang , Zhou Zhao , Deng Cai , Xiaofei He

Human activity recognition using smart home sensors is one of the bases of ubiquitous computing in smart environments and a topic undergoing intense research in the field of ambient assisted living. The increasingly large amount of data…

Neural and Evolutionary Computing · Computer Science 2018-04-20 Deepika Singh , Erinc Merdivan , Ismini Psychoula , Johannes Kropf , Sten Hanke , Matthieu Geist , Andreas Holzinger

Machine learning models for sensor-based human activity recognition (HAR) are expected to adapt post-deployment to recognize new activities and different ways of performing existing ones. To address this need, Online Continual Learning…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Yao Zhang , Souza Leite Clayton , Yu Xiao

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…

Machine Learning · Computer Science 2025-11-11 Zishuai Liu , Weihang You , Jin Lu , Fei Dou

Cross-lingual adaptation has proven effective in spoken language understanding (SLU) systems with limited resources. Existing methods are frequently unsatisfactory for intent detection and slot filling, particularly for distant languages…

Computation and Language · Computer Science 2023-08-08 Zhanyu Ma , Jian Ye , Shuang Cheng