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The development of highly accurate deep learning methods for indoor localization is often hindered by the unavailability of sufficient data measurements in the desired environment to perform model training. To overcome the challenge of…

Signal Processing · Electrical Eng. & Systems 2021-08-06 Mohamed I. AlHajri , Raed M. Shubair , Marwa Chafii

Human Activity Recognition (HAR) has recently witnessed advancements with Transformer-based models. Especially, ActionFormer shows us a new perspectives for HAR in the sense that this approach gives us additional outputs which detect the…

Machine Learning · Computer Science 2025-05-28 Kunpeng Zhao , Asahi Miyazaki , Tsuyoshi Okita

This study addresses the problem of dynamic anomaly detection in accounting transactions and proposes a real-time detection method based on a Transformer to tackle the challenges of hidden abnormal behaviors and high timeliness requirements…

Machine Learning · Computer Science 2025-11-18 Yi Wang , Ruoyi Fang , Anzhuo Xie , Hanrui Feng , Jianlin Lai

The extensive ubiquitous availability of sensors in smart devices and the Internet of Things (IoT) has opened up the possibilities for implementing sensor-based activity recognition. As opposed to traditional sensor time-series processing…

Signal Processing · Electrical Eng. & Systems 2023-10-09 Danial Ahangarani , Mohammad Shirazi , Navid Ashraf

Detailed mobile sensing data from phones, watches, and fitness trackers offer an unparalleled opportunity to quantify and act upon previously unmeasurable behavioral changes in order to improve individual health and accelerate responses to…

Machine Learning · Computer Science 2022-06-06 Mike A. Merrill , Tim Althoff

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

Research into the detection of human activities from wearable sensors is a highly active field, benefiting numerous applications, from ambulatory monitoring of healthcare patients via fitness coaching to streamlining manual work processes.…

Human-Computer Interaction · Computer Science 2024-07-12 Alexander Hoelzemann , Kristof Van Laerhoven

Smart home solutions increasingly rely on a variety of sensors for behavioral analytics and activity recognition to provide context-aware applications and personalized care. Optimizing the sensor network is one of the most important…

Human-Computer Interaction · Computer Science 2021-01-05 Yuting Zhan , Hamed Haddadi

There is a research field of human activity recognition that automatically recognizes a user's physical activity through sensing technology incorporated in smartphones and other devices. When sensing daily activity, various measurement…

Human-Computer Interaction · Computer Science 2021-01-05 Tatsuhito Hasegawa

An increasing number of sensors on mobile, Internet of things (IoT), and wearable devices generate time-series measurements of physical activities. Though access to the sensory data is critical to the success of many beneficial applications…

Machine Learning · Computer Science 2018-06-13 Mohammad Malekzadeh , Richard G. Clegg , Hamed Haddadi

Powered prostheses are effective for helping amputees walk on level ground, but these devices are inconvenient to use in complex environments. Prostheses need to understand the motion intent of amputees to help them walk in complex…

Robotics · Computer Science 2019-08-22 Kuangen Zhang , Wen Zhang , Wentao Xiao , Haiyuan Liu , Clarence W. de Silva , Chenglong Fu

In this article, we study activity recognition in the context of sensor-rich environments. We address, in particular, the problem of inductive biases and their impact on the data collection process. To be effective and robust, activity…

Machine Learning · Computer Science 2021-04-13 Massinissa Hamidi , Aomar Osmani

This study investigates the task of dwell time prediction and proposes a Transformer framework based on interaction behavior modeling. The method first represents user interaction sequences on the interface by integrating dwell duration,…

Human-Computer Interaction · Computer Science 2025-12-22 Rui Liu , Runsheng Zhang , Shixiao Wang

A continuous monitoring of the physical strength and mobility of elderly people is important for maintaining their health and treating diseases at an early stage. However, frequent screenings by physicians are exceeding the logistic…

Computers and Society · Computer Science 2021-03-11 Björn Friedrich , Enno-Edzard Steen , Sebastian Fudickar , Andreas Hein

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

Sensor-based Human Activity Recognition facilitates unobtrusive monitoring of human movements. However, determining the most effective sensor placement for optimal classification performance remains challenging. This paper introduces a…

Machine Learning · Computer Science 2023-07-07 Orhan Konak , Alexander Wischmann , Robin van de Water , Bert Arnrich

The popular task of 3D human action recognition is almost exclusively solved by training deep-learning classifiers. To achieve a high recognition accuracy, the input 3D actions are often pre-processed by various normalization or…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Jan Sedmidubsky , Pavel Zezula

Learning and understanding the typical patterns in the daily activities and routines of people from low-level sensory data is an important problem in many application domains such as building smart environments, or providing intelligent…

Machine Learning · Computer Science 2014-08-14 Truyen Tran , Hung Bui , Svetha Venkatesh

This paper presents an unsupervised transformer-based framework for temporal activity segmentation which leverages not only frame-level cues but also segment-level cues. This is in contrast with previous methods which often rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Quoc-Huy Tran , Ahmed Mehmood , Muhammad Ahmed , Muhammad Naufil , Anas Zafar , Andrey Konin , M. Zeeshan Zia

Increasingly, human behavior is captured on mobile devices, leading to an increased interest in automated human activity recognition. However, existing datasets typically consist of scripted movements. Our long-term goal is to perform…

Machine Learning · Computer Science 2022-07-12 Garrett Wilson , Janardhan Rao Doppa , Diane J. Cook