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Postural stability during movement is fundamental to independent living, fall prevention, and overall health, particularly among older adults who experience age-related declines in balance, muscle strength, and mobility. Among daily…

Machine Learning · Computer Science 2026-04-02 Md Rafi Islam , Md Rejwanul Haque , Elizabeth Choma , Shannon Hayes , Siobhan McMahon , Xiangrong Shen , Edward Sazonov

The Internet of Things (IoT) is ubiquitous thanks to the rapid development of wireless technologies. However, the broadcast nature of wireless transmissions results in great vulnerability to device authentication. Physical layer…

Machine Learning · Computer Science 2026-03-24 Yijia Guo , Junqing Zhang , Y. -W. Peter Hong

For legged robots to operate in complex terrains, they must be robust to the disturbances and uncertainties they encounter. This paper contributes to enhancing robustness through the design of fall detection/prediction algorithms that will…

Robotics · Computer Science 2023-10-10 M. Eva Mungai , Jessy Grizzle

In this paper we propose a novel accurate method for dead-reckoning of wheeled vehicles based only on an Inertial Measurement Unit (IMU). In the context of intelligent vehicles, robust and accurate dead-reckoning based on the IMU may prove…

Robotics · Computer Science 2019-04-15 Martin Brossard , Axel Barrau , Silvère Bonnabel

The ubiquitous availability of wearable sensors is responsible for driving the Internet-of-Things but is also making an impact on sport sciences and precision medicine. While human activity recognition from smartphone data or other types of…

Machine Learning · Computer Science 2020-04-07 Andreas W. Kempa-Liehr , Jonty Oram , Andrew Wong , Mark Finch , Thor Besier

Human Activity Recognition (HAR) using wearable devices such as smart watches embedded with Inertial Measurement Unit (IMU) sensors has various applications relevant to our daily life, such as workout tracking and health monitoring. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Wenjin Tao , Haodong Chen , Md Moniruzzaman , Ming C. Leu , Zhaozheng Yi , Ruwen Qin

Structure from motion algorithms have an inherent limitation that the reconstruction can only be determined up to the unknown scale factor. Modern mobile devices are equipped with an inertial measurement unit (IMU), which can be used for…

Computer Vision and Pattern Recognition · Computer Science 2017-08-14 Janne Mustaniemi , Juho Kannala , Simo Särkkä , Jiri Matas , Janne Heikkilä

To improve the control of wearable robotics for gait assistance, we present an approach for continuous locomotion mode recognition as well as gait phase and stair slope estimation based on artificial neural networks that include time…

Robotics · Computer Science 2022-08-02 Florian Weigand , Andreas Höhl , Julian Zeiss , Ulrich Konigorski , Martin Grimmer

Wi-Fi Channel State Information (CSI) has been extensively studied for sensing activities. However, its practical application in user authentication still needs to be explored. This study presents a novel approach to biometric…

Treating IMU measurements as inputs to a motion model and then preintegrating these measurements has almost become a de-facto standard in many robotics applications. However, this approach has a few shortcomings. First, it conflates the IMU…

Robotics · Computer Science 2024-11-22 Keenan Burnett , Angela P. Schoellig , Timothy D. Barfoot

Rainfall impacts daily activities and can lead to severe hazards such as flooding. Traditional rainfall measurement systems often lack granularity or require extensive infrastructure. While the attenuation of electromagnetic waves due to…

Signal Processing · Electrical Eng. & Systems 2025-01-07 Yan Li , Jie Yang , Yixuan Huang , Tao Yang , Chao-Kai Wen , Shi Jin

In the human activity recognition research area, prior studies predominantly concentrate on leveraging advanced algorithms on public datasets to enhance recognition performance, little attention has been paid to executing real-time kitchen…

Signal Processing · Electrical Eng. & Systems 2024-09-11 Mengxi Liu , Sungho Suh , Juan Felipe Vargas , Bo Zhou , Agnes Grünerbl , Paul Lukowicz

The widespread utilization of smartphones has provided extensive availability to Inertial Measurement Units, providing a wide range of sensory data that can be advantageous for the detection of transportation modes. The objective of this…

Machine Learning · Computer Science 2023-10-18 Qinrui Tang , Hao Cheng

Accurate and timely water level monitoring is critical for flood prevention, environmental management, and emerging smart infrastructure systems. Traditional water sensing methods often rely on dedicated sensors, which can be costly to…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Khawaja Fahad Masood , Kai Wu , Zhongqin Wang , J. Andrew Zhang , Shu-Lin Chen , Y. Jay Guo

This paper proposes a real-time embedded fall detection system using a DVS(Dynamic Vision Sensor) that has never been used for traditional fall detection, a dataset for fall detection using that, and a DVS-TN(DVS-Temporal Network). The…

Machine Learning · Statistics 2017-12-01 Hyunwoo Lee , Jooyoung Kim , Dojun Yang , Joon-Ho Kim

Inertial Measurement Unit (IMU) sensors are present in everyday devices such as smartphones and fitness watches. As a result, the array of health-related research and applications that tap onto this data has been growing, but little…

Machine Learning · Computer Science 2021-08-23 Davi Pedrosa de Aguiar , Fabricio Murai

Compared to other biometrics, gait is difficult to conceal and has the advantage of being unobtrusive. Inertial sensors, such as accelerometers and gyroscopes, are often used to capture gait dynamics. These inertial sensors are commonly…

Machine Learning · Computer Science 2020-04-30 Qin Zou , Yanling Wang , Qian Wang , Yi Zhao , Qingquan Li

Internet-of-things (IoT) devices are vulnerable to malicious operations by attackers, which can cause physical and economic harm to users; therefore, we previously proposed a sequence-based method that modeled user behavior as sequences of…

Cryptography and Security · Computer Science 2021-09-30 Masaaki Yamauchi , Masahiro Tanaka , Yuichi Ohsita , Masayuki Murata , Kensuke Ueda , Yoshiaki Kato

This paper proposes a novel inertial-aided localization approach by fusing information from multiple inertial measurement units (IMUs) and exteroceptive sensors. IMU is a low-cost motion sensor which provides measurements on angular…

Robotics · Computer Science 2020-01-20 Ming Zhang , Yiming Chen , Xiangyu Xu , Mingyang Li

Synchronisation of wireless inertial measurement units in human movement analysis is often achieved using event-based synchronisation techniques. However, these techniques lack precise event generation and accuracy. An inaccurate…

Systems and Control · Electrical Eng. & Systems 2025-06-02 Andreas Spilz , Michael Munz