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Related papers: MHARFedLLM: Multimodal Human Activity Recognition …

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The rapid evolution of Internet of Things (IoT) technology has spurred the widespread adoption of Human Activity Recognition (HAR) in various daily life domains. Federated Learning (FL) is frequently utilized to build a global HAR model by…

Machine Learning · Computer Science 2024-04-08 Kongyang Chen , Dongping zhang , Yaping Chai , Weibin Zhang , Shaowei Wang , Jiaxing Shen

Federated Learning (FL) is a promising distributed machine learning approach that enables collaborative training of a global model using multiple edge devices. The data distributed among the edge devices is highly heterogeneous. Thus, FL…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-16 Ji Liu , Beichen Ma , Qiaolin Yu , Ruoming Jin , Jingbo Zhou , Yang Zhou , Huaiyu Dai , Haixun Wang , Dejing Dou , Patrick Valduriez

Multimodal medical analysis combining image and tabular data has gained increasing attention. However, effective fusion remains challenging due to cross-modal discrepancies in feature dimensions and modality contributions, as well as the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Congjing Yu , Jing Ye , Yang Liu , Xiaodong Zhang , Zhiyong Zhang

Autonomous mobile manipulation in unstructured warehouses requires a balance between efficient large-scale navigation and high-precision object interaction. Traditional end-to-end learning approaches often struggle to handle the conflicting…

Robotics · Computer Science 2026-01-13 Yun Chen , Bowei Huang , Fan Guo , Kang Song

Sensor-based human activity recognition (HAR) is now a research hotspot in multiple application areas. With the rise of smart wearable devices equipped with inertial measurement units (IMUs), researchers begin to utilize IMU data for HAR.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-09 Fanyi Xiao , Ling Pei , Lei Chu , Danping Zou , Wenxian Yu , Yifan Zhu , Tao Li

Multimodal AI has demonstrated superior performance over unimodal approaches by leveraging diverse data sources for more comprehensive analysis. However, applying this effectiveness in healthcare is challenging due to the limited…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Pranav Poudel , Prashant Shrestha , Sanskar Amgain , Yash Raj Shrestha , Prashnna Gyawali , Binod Bhattarai

Micro-expressions recognition (MER) has essential application value in many fields, but the short duration and low intensity of micro-expressions (MEs) bring considerable challenges to MER. The current MER methods in deep learning mainly…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Liangyu Fu , Xuecheng Wu , Danlei Huang , Xinyi Yin

Federated Learning (FL) enables distributed training of machine learning models while keeping personal data on user devices private. While we witness increasing applications of FL in the area of mobile sensing, such as human activity…

Machine Learning · Computer Science 2022-09-22 Hyunsung Cho , Akhil Mathur , Fahim Kawsar

Machine learning and deep learning have shown great promise in mobile sensing applications, including Human Activity Recognition. However, the performance of such models in real-world settings largely depends on the availability of large…

Machine Learning · Computer Science 2021-02-12 Chi Ian Tang , Ignacio Perez-Pozuelo , Dimitris Spathis , Soren Brage , Nick Wareham , Cecilia Mascolo

Sensor-based Human Activity Recognition (HAR) is a core technology that enables intelligent systems to perceive and interact with their environment. However, multimodal HAR systems still encounter key challenges, such as difficulties in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Panpan Ji , Junni Song , Yifan Lu , Hang Xiao , Hanyu Liu , Chao Li

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 recent emergence of large language models (LLMs) such as GPT-3 has marked a significant paradigm shift in machine learning. Trained on massive corpora of data, these models demonstrate remarkable capabilities in language understanding,…

Systems and Control · Electrical Eng. & Systems 2025-09-23 Seyyedali Hosseinalipour , Shimiao Li , Adedoyin Inaolaji , Filippo Malandra , Luis Herrera , Nicholas Mastronarde

Federated Learning (FL) enables many resource-limited devices to train a model collaboratively without data sharing. However, many existing works focus on model-homogeneous FL, where the global and local models are the same size, ignoring…

Machine Learning · Computer Science 2023-11-17 Hongda Wu , Ping Wang , C V Aswartha Narayana

Federated learning (FL) promises to enable collaborative machine learning across healthcare sites whilst preserving data privacy. Practical deployment remains limited by statistical heterogeneity arising from differences in patient…

Human behavior expression and experience are inherently multi-modal, and characterized by vast individual and contextual heterogeneity. To achieve meaningful human-computer and human-robot interactions, multi-modal models of the users…

Machine Learning · Computer Science 2019-06-10 Ognjen Rudovic , Meiru Zhang , Bjorn Schuller , Rosalind W. Picard

Together with the rapid development of the Internet of Things (IoT), human activity recognition (HAR) using wearable Inertial Measurement Units (IMUs) becomes a promising technology for many research areas. Recently, deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Ling Pei , Songpengcheng Xia , Lei Chu , Fanyi Xiao , Qi Wu , Wenxian Yu , Robert Qiu

In order to unlock the potential of diverse sensors, we investigate a method to transfer knowledge between time-series modalities using a multimodal \textit{temporal} representation space for Human Activity Recognition (HAR). Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Abhi Kamboj , Anh Duy Nguyen , Minh N. Do

Sensor-based Human Activity Recognition (HAR) underpins many ubiquitous and wearable computing applications, yet current models remain limited by scarce labels, sensor heterogeneity, and weak generalization across users, devices, and…

Signal Processing · Electrical Eng. & Systems 2026-04-10 Sizhen Bian , Mengxi Liu , Lala Shakti Swarup Ray , Bo Zhou , Bin Guo , Zhiwen Yu , Thomas Ploetz , Paul Lukowicz , Siyu Yuan , Vitor Fortes Rey

Recognizing human activities from multi-channel time series data collected from wearable sensors is ever more practical. However, in real-world conditions, coherent activities and body movements could happen at the same time, like moving…

Signal Processing · Electrical Eng. & Systems 2020-04-21 Liming Zhang

Physical activity during hip fracture rehabilitation is essential for mitigating long-term functional decline in geriatric patients. However, it is rarely quantified in clinical practice. Existing continuous monitoring systems with…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Shuhao Que , Dieuwke van Dartel , Ilse Heeringa , Han Hegeman , Miriam Vollenbroek-Hutten , Ying Wang