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Inertial Measurement Unit (IMU) has long been a dream for stable and reliable motion estimation, especially in indoor environments where GPS strength limits. In this paper, we propose a novel method for position and orientation estimation…

Robotics · Computer Science 2021-02-18 Yingying Wang , Hu Cheng , Max Q. H. Meng

Baseline generation for tracking applications is a difficult task when working with real world radar data. Data sparsity usually only allows an indirect way of estimating the original tracks as most objects' centers are not represented in…

Signal Processing · Electrical Eng. & Systems 2019-07-24 Nicolas Scheiner , Stefan Haag , Nils Appenrodt , Bharanidhar Duraisamy , Jürgen Dickmann , Martin Fritzsche , Bernhard Sick

Inertial Measurement Units (IMUs) are interceptive modalities that provide ego-motion measurements independent of the environmental factors. They are widely adopted in various autonomous systems. Motivated by the limitations in processing…

Machine Learning · Computer Science 2021-01-19 Rooholla Khorrambakht , Chris Xiaoxuan Lu , Hamed Damirchi , Zhenghua Chen , Zhengguo Li

This paper addresses the problem of estimating the attitude of a rigid body, which is subject to high accelerations and equipped with inertial measurement unit (IMU) and sensors providing the body velocity (expressed in the reference frame…

Optimization and Control · Mathematics 2020-02-25 Mehdi Benallegue , Abdelaziz Benallegue , Rafael Cisneros , Yacine Chitour

A pedestrian navigation system (PNS) in indoor environments, where global navigation satellite system (GNSS) signal access is difficult, is necessary, particularly for search and rescue (SAR) operations in large buildings. This paper…

Signal Processing · Electrical Eng. & Systems 2024-02-27 Seunghyeon Park , Taewon Kang , Seungjae Lee , Joon Hyo Rhee

This paper proposes a novel method called MagShield, designed to address the issue of magnetic interference in sparse inertial motion capture (MoCap) systems. Existing Inertial Measurement Unit (IMU) systems are prone to orientation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yunzhe Shao , Xinyu Yi , Lu Yin , Shihui Guo , Junhai Yong , Feng Xu

Inertial measurement units (IMUs) increasingly function as a basic component of wearable sensor network (WSN)systems. IMU-based joint angle estimation (JAE) is a relatively typical usage of IMUs, with extensive applications. However, the…

Signal Processing · Electrical Eng. & Systems 2021-06-10 Chunzhi Yi , Feng Jiang , Baichun Wei , Chifu Yang , Zhen Ding , Jubo Jin , Jie Liu

In this paper we present a novel algorithm for onboard radial distortion correction for unmanned aerial vehicles (UAVs) equipped with an inertial measurement unit (IMU), that runs in real-time. This approach makes calibration procedures…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Marcus Valtonen Örnhag , Patrik Persson , Mårten Wadenbäck , Kalle Åström , Anders Heyden

Inertial navigation systems (INS) are widely used in almost any operational environment, including aviation, marine, and land vehicles. Inertial measurements from accelerometers and gyroscopes allow the INS to estimate position, velocity,…

Systems and Control · Electrical Eng. & Systems 2026-05-19 Daniel Engelsman , Yair Stolero , Itzik Klein

Advances in micro-electro-mechanical (MEMS) techniques enable inertial measurements units (IMUs) to be small, cheap, energy efficient, and widely used in smartphones, robots, and drones. Exploiting inertial data for accurate and reliable…

Robotics · Computer Science 2018-09-21 Changhao Chen , Peijun Zhao , Chris Xiaoxuan Lu , Wei Wang , Andrew Markham , Niki Trigoni

Inertial measurement unit (IMU) and odometer have been commonly-used sensors for autonomous land navigation in the global positioning system (GPS)-denied scenarios. This paper systematically proposes a versatile strategy for self-contained…

Robotics · Computer Science 2014-09-04 Yuanxin Wu

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

A Magnetic field Aided Inertial Navigation System (MAINS) for indoor navigation is proposed in this paper. MAINS leverages an array of magnetometers to measure spatial variations in the magnetic field, which are then used to estimate the…

Robotics · Computer Science 2024-04-25 Chuan Huang , Gustaf Hendeby , Hassen Fourati , Christophe Prieur , Isaac Skog

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 present an approach for radar-inertial odometry which uses a continuous-time framework to fuse measurements from multiple automotive radars and an inertial measurement unit (IMU). Adverse weather conditions do not have a significant…

Robotics · Computer Science 2022-01-10 Yin Zhi Ng , Benjamin Choi , Robby Tan , Lionel Heng

Inertial odometry (IO) using strap-down inertial measurement units (IMUs) is critical in many robotic applications where precise orientation and position tracking are essential. Prior kinematic motion model-based IO methods often use a…

Robotics · Computer Science 2024-05-16 Yuheng Qiu , Chen Wang , Can Xu , Yutian Chen , Xunfei Zhou , Youjie Xia , Sebastian Scherer

Inertial localization is particularly valuable in GPS-denied environments such as indoors. However, localization using only Inertial Measurement Units (IMUs) suffers from drift caused by motion-process noise and sensor biases. This paper…

Robotics · Computer Science 2026-01-13 Mohammed S. Alharbi , Shinkyu Park

Inertial measurement units (IMUs) are used in medical applications for many different purposes. However, an IMU's measurement accuracy can degrade over time, entailing re-calibration. In their 2014 paper, Tedaldi et al. presented an IMU…

Signal Processing · Electrical Eng. & Systems 2022-07-12 Fritz Webering , Sarah Kleinjohann , Nils Stanislawski , Holger Blume

Inertial odometry is an attractive solution to the problem of state estimation for agile quadrotor flight. It is inexpensive, lightweight, and it is not affected by perceptual degradation. However, only relying on the integration of the…

Robotics · Computer Science 2023-03-01 Giovanni Cioffi , Leonard Bauersfeld , Elia Kaufmann , Davide Scaramuzza

Inertial sensors can track object kinematics, however, unbounded drift from integrating noisy signals makes them impractical for MRI motion correction at millimeter resolution and minute-long scans. We introduce MR-Compass, which exploits…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Musa Tunc Arslan , Fatih Calakli , Joshua Auger , Hongli Fan , Alan J Macy , Simon K Warfield