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Human activity recognition, facilitated by smart devices, has recently garnered significant attention. Deep learning algorithms have become pivotal in daily activities, sports, and healthcare. Nevertheless, addressing the challenge of…

Human-Computer Interaction · Computer Science 2024-11-19 Nazanin Sedaghati , Masoud Kargar , Sina Abbaskhani

Collaborative learning enables distributed clients to learn a shared model for prediction while keeping the training data local on each client. However, existing collaborative learning methods require fully-labeled data for training, which…

Machine Learning · Computer Science 2022-04-26 Yawen Wu , Zhepeng Wang , Dewen Zeng , Meng Li , Yiyu Shi , Jingtong Hu

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

The existing generative adversarial fusion methods generally concatenate source images and extract local features through convolution operation, without considering their global characteristics, which tends to produce an unbalanced result…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Zhishe Wang , Wenyu Shao , Yanlin Chen , Jiawei Xu , Xiaoqin Zhang

Cross-modality fusing complementary information of multispectral remote sensing image pairs can improve the perception ability of detection algorithms, making them more robust and reliable for a wider range of applications, such as…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Qingyun Fang , Zhaokui Wang

Human Action Recognition (HAR) is a challenging domain in computer vision, involving recognizing complex patterns by analyzing the spatiotemporal dynamics of individuals' movements in videos. These patterns arise in sequential data, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Ali K. AlShami , Ryan Rabinowitz , Khang Lam , Yousra Shleibik , Melkamu Mersha , Terrance Boult , Jugal Kalita

In this paper, we address the problem of multiple view data fusion in the presence of noise and interferences. Recent studies have approached this problem using kernel methods, by relying particularly on a product of kernels constructed…

Computer Vision and Pattern Recognition · Computer Science 2016-11-23 David Dov , Ronen Talmon , Israel Cohen

Due to the incapability of one sensory measurement to provide enough information for condition monitoring of some complex engineered industrial mechanisms and also for overcoming the misleading noise of a single sensor, multiple sensors are…

Machine Learning · Computer Science 2023-11-07 Ardavan Modarres , Vahid Mohammad-Zadeh Eivaghi , Mahdi Aliyari Shoorehdeli , Ashkan Moosavian

Automated monitoring of construction operations, especially operations of equipment and machines, is an essential step toward cost-estimating, and planning of construction projects. In recent years, a number of methods were suggested for…

Signal Processing · Electrical Eng. & Systems 2019-06-06 Behnam Sherafat , Abbas Rashidi , Yong-Cheol Lee , Changbum R. Ahn

Human Activity Recognition (HAR) with different sensing modalities requires both strong generalization across diverse users and efficient personalization for individuals. However, conventional HAR models often fail to generalize when faced…

Machine Learning · Computer Science 2025-09-09 Pixi Kang , Julian Moosmann , Mengxi Liu , Bo Zhou , Michele Magno , Paul Lukowicz , Sizhen Bian

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

Detecting humans from airborne visual and thermal imagery is a fundamental challenge for Wilderness Search-and-Rescue (WiSAR) teams, who must perform this function accurately in the face of immense pressure. The ability to fuse these two…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Aadhar Chauhan , Isaac Remy , Danny Broyles , Karen Leung

The problem of automatic identification of physical activities performed by human subjects is referred to as Human Activity Recognition (HAR). There exist several techniques to measure motion characteristics during these physical…

Machine Learning · Computer Science 2019-06-06 Antonio Bevilacqua , Kyle MacDonald , Aamina Rangarej , Venessa Widjaya , Brian Caulfield , Tahar Kechadi

Wearable sensor-based human activity recognition (HAR) has emerged as a principal research area and is utilized in a variety of applications. Recently, deep learning-based methods have achieved significant improvement in the HAR field with…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Sungho Suh , Vitor Fortes Rey , Paul Lukowicz

Today's tactile sensors have a variety of different designs, making it challenging to develop general-purpose methods for processing touch signals. In this paper, we learn a unified representation that captures the shared information…

Facial Expression Recognition (FER) in the wild is extremely challenging due to occlusions, variant head poses, face deformation and motion blur under unconstrained conditions. Although substantial progresses have been made in automatic FER…

Computer Vision and Pattern Recognition · Computer Science 2022-05-12 Fuyan Ma , Bin Sun , Shutao Li

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

In this study, a novel method to obtain user-dependent human activity recognition models unobtrusively by exploiting the sensors of a smartphone is presented. The recognition consists of two models: sensor fusion-based user-independent…

Machine Learning · Computer Science 2019-05-30 Pekka Siirtola , Heli Koskimäki , Juha Röning

Human activity recognition (HAR) is often limited by the scarcity of labeled datasets due to the high cost and complexity of real-world data collection. To mitigate this, recent work has explored generating virtual inertial measurement unit…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Zikang Leng , Archith Iyer , Thomas Plötz

The plethora of sensors in our commodity devices provides a rich substrate for sensor-fused tracking. Yet, today's solutions are unable to deliver robust and high tracking accuracies across multiple agents in practical, everyday…

Robotics · Computer Science 2022-07-07 Mallesham Dasari , Ramanujan K Sheshadri , Karthikeyan Sundaresan , Samir R. Das