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Falls represent a significant cause of injury among the elderly population. Extensive research has been devoted to the utilization of wearable IMU sensors in conjunction with machine learning techniques for fall detection. To address the…

Quantitative Methods · Quantitative Biology 2023-10-18 Jie Tang , Bin He , Junkai Xu , Tian Tan , Zhipeng Wang , Yanmin Zhou , Shuo Jiang

Building a complete inertial navigation system using the limited quality data provided by current smartphones has been regarded challenging, if not impossible. This paper shows that by careful crafting and accounting for the weak…

Computer Vision and Pattern Recognition · Computer Science 2018-06-11 Arno Solin , Santiago Cortes , Esa Rahtu , Juho Kannala

Inertial localisation is an important technique as it enables ego-motion estimation in conditions where external observers are unavailable. However, low-cost inertial sensors are inherently corrupted by bias and noise, which lead to unbound…

Robotics · Computer Science 2023-03-06 James Brotchie , Wenchao Li , Andrew D. Greentree , Allison Kealy

In this paper, we propose a visual-inertial framework able to efficiently estimate the camera poses of a non-rigid trinocular baseline for long-range depth estimation on-board a fast moving aerial platform. The estimation of the…

Robotics · Computer Science 2019-08-26 Timo Hinzmann , Cesar Cadena , Juan Nieto , Roland Siegwart

In this paper, we develop a system for the low-cost indoor localization and tracking problem using radio signal strength indicator, Inertial Measurement Unit (IMU), and magnetometer sensors. We develop a novel and simplified probabilistic…

Inertial measurement units (IMUs), which provide high-frequency linear acceleration and angular velocity measurements, serve as fundamental sensing modalities in robotic systems. Recent advances in deep neural networks have led to…

Robotics · Computer Science 2026-03-09 Jiwon Choi , Hogyun Kim , Geonmo Yang , Juhui Lee , Younggun Cho

In this paper, we extend the Recurrent Inertial Graph-based Estimator (RING), a novel neural-network-based solution for Inertial Motion Tracking (IMT), to generalize across a large range of sampling rates, and we demonstrate that it can…

Robotics · Computer Science 2024-09-05 Simon Bachhuber , Ive Weygers , Thomas Seel

The motion capture system that supports full-body virtual representation is of key significance for virtual reality. Compared to vision-based systems, full-body pose estimation from sparse tracking signals is not limited by environmental…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Zunjie Zhu , Yan Zhao , Yihan Hu , Guoxiang Wang , Hai Qiu , Bolun Zheng , Chenggang Yan , Feng Xu

Positional estimation is of great importance in the public safety sector. Emergency responders such as fire fighters, medical rescue teams, and the police will all benefit from a resilient positioning system to deliver safe and effective…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Zhuangzhuang Dai , Muhamad Risqi U. Saputra , Chris Xiaoxuan Lu , Niki Trigoni , Andrew Markham

Combining cameras and inertial measurement units (IMUs) has been proven effective in motion tracking, as these two sensing modalities offer complementary characteristics that are suitable for fusion. While most works focus on global-shutter…

Computer Vision and Pattern Recognition · Computer Science 2018-10-15 Yonggen Ling , Linchao Bao , Zequn Jie , Fengming Zhu , Ziyang Li , Shanmin Tang , Yongsheng Liu , Wei Liu , Tong Zhang

In inertial motion capture, a multitude of body segments are equipped with inertial sensors, consisting of 3D accelerometers and 3D gyroscopes. Using an optimization-based approach to solve the motion capture problem allows for natural…

Systems and Control · Computer Science 2016-08-19 Manon Kok , Sina Khoshfetrat Pakazad , Thomas B. Schön , Anders Hansson , Jeroen D. Hol

We consider the problem of reconstructing a signal from under-determined modulo observations (or measurements). This observation model is inspired by a (relatively) less well-known imaging mechanism called modulo imaging, which can be used…

Machine Learning · Statistics 2019-07-18 Viraj Shah , Chinmay Hegde

Resting-state functional Magnetic Resonance Imaging (fMRI) is a powerful imaging technique for studying functional development of the brain in utero. However, unpredictable and excessive movement of fetuses have limited its clinical…

Strapdown inertial navigation systems are sensitive to the quality of the data provided by the accelerometer and gyroscope. Low-grade IMUs in handheld smart-devices pose a problem for inertial odometry on these devices. We propose a scheme…

Computer Vision and Pattern Recognition · Computer Science 2018-08-13 Santiago Cortés , Arno Solin , Juho Kannala

In this paper, we argue that modern pre-integration methods for inertial measurement units (IMUs) are accurate enough to ignore the drift for short time intervals. This allows us to consider a simplified camera model, which in turn admits…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Marcus Valtonen Örnhag , Patrik Persson , Mårten Wadenbäck , Kalle Åström , Anders Heyden

We propose a multi-sensor fusion method for capturing challenging 3D human motions with accurate consecutive local poses and global trajectories in large-scale scenarios, only using single LiDAR and 4 IMUs, which are set up conveniently and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Yiming Ren , Chengfeng Zhao , Yannan He , Peishan Cong , Han Liang , Jingyi Yu , Lan Xu , Yuexin Ma

Indoor wireless ranging localization is a promising approach for low-power and high-accuracy localization of wearable devices. A primary challenge in this domain stems from non-line of sight propagation of radio waves. This study tackles a…

Robotics · Computer Science 2023-09-19 Fan Jiang , David Caruso , Ashutosh Dhekne , Qi Qu , Jakob Julian Engel , Jing Dong

Visual odometry and SLAM methods have a large variety of applications in domains such as augmented reality or robotics. Complementing vision sensors with inertial measurements tremendously improves tracking accuracy and robustness, and thus…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 David Schubert , Thore Goll , Nikolaus Demmel , Vladyslav Usenko , Jörg Stückler , Daniel Cremers

A reliable pose estimator robust to environmental disturbances is desirable for mobile robots. To this end, inertial measurement units (IMUs) play an important role because they can perceive the full motion state of the vehicle…

Robotics · Computer Science 2022-11-30 Yibin Wu , Jian Kuang , Xiaoji Niu , Jens Behley , Lasse Klingbeil , Heiner Kuhlmann

Visual odometry and Simultaneous Localization And Mapping (SLAM) has been studied as one of the most important tasks in the areas of computer vision and robotics, to contribute to autonomous navigation and augmented reality systems. In case…

Robotics · Computer Science 2023-11-08 Seongwook Yoon , Jaehyun Kim , Sanghoon Sull