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Inertial navigation systems for pedestrians are infrastructure-less and can achieve sub-meter accuracy in the short/medium period. However, when low-cost inertial measurement units (IMU) are employed for their implementation, they suffer…

Robotics · Computer Science 2015-03-30 Francesco Montorsi , Fabrizio Pancaldi , Giorgio M. Vitetta

Indoor magnetic fields are a combination of Earth's magnetic field and disruptions induced by ferromagnetic objects, such as steel structural components in buildings. As a result of these disruptions, pervasive in indoor spaces, magnetic…

Robotics · Computer Science 2023-09-06 Natalia Pavlasek , Charles Champagne Cossette , David Roy-Guay , James Richard Forbes

Inertial sensors are widely utilized in smartphones, drones, robots, and IoT devices, playing a crucial role in enabling ubiquitous and reliable localization. Inertial sensor-based positioning is essential in various applications, including…

Robotics · Computer Science 2024-03-22 Changhao Chen , Xianfei Pan

Magnetic resonance imaging (MRI) exhibits rich and clinically useful endogenous contrast mechanisms, which can differentiate soft tissues and are sensitive to flow, diffusion, magnetic susceptibility, blood oxygenation level, and more.…

Systems and Control · Electrical Eng. & Systems 2025-06-03 Biqi Rebekah Zhao , Alexander Chou , Robert Peltekov , Elad Alon , Chunlei Liu , Rikky Muller , Michael Lustig

To improve the accuracy and robustness of the inertial navigation systems (INS) for wheeled robots without adding additional component cost, we propose Wheel-INS, a complete dead reckoning solution based on a wheel-mounted…

Robotics · Computer Science 2021-04-27 Xiaoji Niu , Yibin Wu , Jian Kuang

We propose a novel distance-based regularization method for deep metric learning called Multi-level Distance Regularization (MDR). MDR explicitly disturbs a learning procedure by regularizing pairwise distances between embedding vectors…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Yonghyun Kim , Wonpyo Park

This paper sets a new foundation for data-driven inertial navigation research, where the task is the estimation of positions and orientations of a moving subject from a sequence of IMU sensor measurements. More concretely, the paper…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Hang Yan , Sachini Herath , Yasutaka Furukawa

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

We present a method of extrinsic calibration for a system of multiple inertial measurement units (IMUs) that estimates the relative pose of each IMU on a rigid body using only measurements from the IMUs themselves, without the need to…

Robotics · Computer Science 2022-05-31 Jongwon Lee , David Hanley , Timothy Bretl

Applications of inertial measurement units are extremely diverse, and are expected to see a further increase in number due to current trends in robotics as well as recent advances in Micro Electromechanical sensors (MEMS). The traditional…

Robotics · Computer Science 2017-08-16 William T. Conlin

Navigation in Global Positioning Systems (GPS)-denied environments requires robust estimators reliant on fusion of inertial sensors able to estimate rigid-body's orientation, position, and linear velocity. Ultra-wideband (UWB) and Inertial…

Systems and Control · Electrical Eng. & Systems 2023-08-17 Hashim A. Hashim , Abdelrahman E. E. Eltoukhy , Kyriakos G. Vamvoudakis , Mohammed I. Abouheaf

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

We demonstrate a novel deep neural network capable of reconstructing human full body pose in real-time from 6 Inertial Measurement Units (IMUs) worn on the user's body. In doing so, we address several difficult challenges. First, the…

Graphics · Computer Science 2018-10-12 Yinghao Huang , Manuel Kaufmann , Emre Aksan , Michael J. Black , Otmar Hilliges , Gerard Pons-Moll

Aggressive motions from agile flights or traversing irregular terrain induce motion distortion in LiDAR scans that can degrade state estimation and mapping. Some methods exist to mitigate this effect, but they are still too simplistic or…

Robotics · Computer Science 2023-03-08 Kenny Chen , Ryan Nemiroff , Brett T. Lopez

Attitude and heading reference systems (AHRS) play a central role in autonomous navigation systems on land, air and maritime platforms. AHRS utilize inertial sensor measurements to estimate platform orientation. In recent years, there has…

Signal Processing · Electrical Eng. & Systems 2026-03-26 Yaakov Libero , Itzik Klein

IMUs are gaining significant importance in the field of hand gesture analysis, trajectory detection and kinematic functional study. An Inertial Measurement Unit (IMU) consists of tri-axial accelerometers and gyroscopes which can together be…

Signal Processing · Electrical Eng. & Systems 2020-05-04 Karush Suri , Rinki Gupta

This paper deals with the problem of full state estimation for vehicles navigating in a three dimensional space. We assume that the vehicle is equipped with an Inertial Measurement Unit (IMU) providing body-frame measurements of the angular…

Optimization and Control · Mathematics 2021-02-01 Soulaimane Berkane , Abdelhamid Tayebi , Simone de Marco

Inertial sensors are widely used in a variety of applications. A common task is orientation estimation. To tackle such a task, attitude and heading reference system algorithms are applied. Relying on the gyroscope readings, the…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Aleksei Zakharchenko , Sharon Farber , Itzik Klein

We have constructed an imaging device that capable to show a spatio-temporal distribution of magnetic field intensity in real-time. The device employs a set of AMR (Anisotropic Magneto Resistance) 3-axis magnetometers, which are arranged…

Instrumentation and Detectors · Physics 2021-04-06 Andriyan B. Suksmono , Donny Danudirdjo , Antonius D. Setiawan , Rizki P. Prastio , Dien Rahmawati

State estimation is a crucial component for the successful implementation of robotic systems, relying on sensors such as cameras, LiDAR, and IMUs. However, in real-world scenarios, the performance of these sensors is degraded by challenging…

Robotics · Computer Science 2024-03-18 Jui-Te Huang , Ruoyang Xu , Akshay Hinduja , Michael Kaess