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Related papers: MHARFedLLM: Multimodal Human Activity Recognition …

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Designing effective reward functions in multi-agent reinforcement learning (MARL) is a significant challenge, often leading to suboptimal or misaligned behaviors in complex, coordinated environments. We introduce Multi-agent Reinforcement…

Multiagent Systems · Computer Science 2025-06-05 Ziyan Wang , Zhicheng Zhang , Fei Fang , Yali Du

Human activity recognition is a major field of study that employs computer vision, machine vision, and deep learning techniques to categorize human actions. The field of deep learning has made significant progress, with architectures that…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Mohammad Belal , Taimur Hassan , Abdelfatah Hassan , Nael Alsheikh , Noureldin Elhendawi , Irfan Hussain

In the emerging paradigm of Federated Learning (FL), large amount of clients such as mobile devices are used to train possibly high-dimensional models on their respective data. Combining (dimension-wise) adaptive gradient methods (e.g.…

Machine Learning · Computer Science 2022-06-24 Belhal Karimi , Ping Li , Xiaoyun Li

In-vehicle emotion recognition underpins adaptive driver-assistance systems and, ultimately, occupant safety. However, practical deployment is hindered by (i) modality fragility - poor lighting and occlusions degrade vision-based methods;…

Machine Learning · Computer Science 2025-07-23 Baran Can Gül , Suraksha Nadig , Stefanos Tziampazis , Nasser Jazdi , Michael Weyrich

Recent studies in Human Activity Recognition (HAR) have shown that Deep Learning methods are able to outperform classical Machine Learning algorithms. One popular Deep Learning architecture in HAR is the DeepConvLSTM. In this paper we…

Human-Computer Interaction · Computer Science 2023-04-03 Marius Bock , Alexander Hoelzemann , Michael Moeller , Kristof Van Laerhoven

Human activity recognition (HAR) in Internet of Things (IoT) environments must cope with heterogeneous sensor settings that vary across datasets, devices, body locations, sensing modalities, and channel compositions. This heterogeneity…

Machine Learning · Computer Science 2026-04-24 Tatsuhito Hasegawa

With the rise of Visual and Language Pretraining (VLP), an increasing number of downstream tasks are adopting the paradigm of pretraining followed by fine-tuning. Although this paradigm has demonstrated potential in various multimodal…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Tengjun Huang

Multi-pulse magnetic resonance imaging (MRI) is widely utilized for clinical practice such as Alzheimer's disease diagnosis. To train a robust model for multi-pulse MRI classification, it requires large and diverse data from various medical…

Machine Learning · Computer Science 2025-10-21 Ludi Li , Junbin Mao , Hanhe Lin , Xu Tian , Fang-Xiang Wu , Jin Liu

Multimodal information (e.g., visual, acoustic, and textual) has been widely used to enhance representation learning for micro-video recommendation. For integrating multimodal information into a joint representation of micro-video,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Han Liu , Yinwei Wei , Fan Liu , Wenjie Wang , Liqiang Nie , Tat-Seng Chua

Federated learning (FL) has attracted considerable interest in the medical domain due to its capacity to facilitate collaborative model training while maintaining data privacy. However, conventional FL methods typically necessitate multiple…

Machine Learning · Computer Science 2025-01-08 Naibo Wang , Yuchen Deng , Shichen Fan , Jianwei Yin , See-Kiong Ng

Combining different data modalities enables deep neural networks to tackle complex tasks more effectively, making multimodal learning increasingly popular. To harness multimodal data closer to end users, it is essential to integrate…

Machine Learning · Computer Science 2024-10-22 Ye Lin Tun , Chu Myaet Thwal , Minh N. H. Nguyen , Choong Seon Hong

Federated learning (FL) has become a promising paradigm for collaborative medical image analysis, yet existing frameworks remain tightly coupled to task-specific backbones and are fragile under heterogeneous imaging modalities. Such…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Meilin Liu , Jiaying Wang , Jing Shan

The use of supervised learning for Human Activity Recognition (HAR) on mobile devices leads to strong classification performances. Such an approach, however, requires large amounts of labeled data, both for the initial training of the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Riccardo Presotto , Sannara Ek , Gabriele Civitarese , François Portet , Philippe Lalanda , Claudio Bettini

Multimodal emotion analysis performed better in emotion recognition depending on more comprehensive emotional clues and multimodal emotion dataset. In this paper, we developed a large multimodal emotion dataset, named "HED" dataset, to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Zhongyu Fang , Aoyun He , Qihui Yu , Baopeng Gao , Weiping Ding , Tong Zhang , Lei Ma

Previous studies on federated learning (FL) often encounter performance degradation due to data heterogeneity among different clients. In light of the recent advances in multimodal large language models (MLLMs), such as GPT-4v and LLaVA,…

Artificial Intelligence · Computer Science 2024-12-03 Jianyi Zhang , Hao Frank Yang , Ang Li , Xin Guo , Pu Wang , Haiming Wang , Yiran Chen , Hai Li

Multimodal wearable physiological data in daily life have been used to estimate self-reported stress labels. However, missing data modalities in data collection makes it challenging to leverage all the collected samples. Besides,…

Signal Processing · Electrical Eng. & Systems 2022-02-23 Han Yu , Thomas Vaessen , Inez Myin-Germeys , Akane Sano

With advancements in computer vision and deep learning, video-based human action recognition (HAR) has become practical. However, due to the complexity of the computation pipeline, running HAR on live video streams incurs excessive delays…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Ruiqi Wang , Zichen Wang , Peiqi Gao , Mingzhen Li , Jaehwan Jeong , Yihang Xu , Yejin Lee , Carolyn M. Baum , Lisa Tabor Connor , Chenyang Lu

Deep neural network is an effective choice to automatically recognize human actions utilizing data from various wearable sensors. These networks automate the process of feature extraction relying completely on data. However, various noises…

Signal Processing · Electrical Eng. & Systems 2021-01-05 Tanvir Mahmud , A. Q. M. Sazzad Sayyed , Shaikh Anowarul Fattah , Sun-Yuan Kung

Despite living in a multi-sensory world, most AI models are limited to textual and visual understanding of human motion and behavior. In fact, full situational awareness of human motion could best be understood through a combination of…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Abhi Kamboj , Minh Do

Human activity recognition (HAR) is a very active research field. Recently, deep learning techniques are being exploited to recognize human activities from inertial signals. However, to compute accurate and reliable deep learning models, a…

Computers and Society · Computer Science 2019-05-30 Anna Ferrari , Daniela Micucci , Marco Mobilio , Paolo Napoletano