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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

Atom interferometery is an exquisite measurement technique sensitive to inertial forces. However, it is commonly limited to a single sensitive axis, allowing high-precision multi-dimensional sensing only through subsequent or post-corrected…

Bundle adjustment (BA) is a technique for refining sensor orientations of satellite images, while adjustment accuracy is correlated with feature matching results. Feature match-ing often contains high uncertainties in weak/repeat textures,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Xiao Ling , Xu Huang , Rongjun Qin

An inertial navigation system (INS) utilizes three orthogonal accelerometers and gyroscopes to determine platform position, velocity, and orientation. There are countless applications for INS, including robotics, autonomous platforms, and…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Zeev Yampolsky , Yair Stolero , Nitzan Pri-Hadash , Dan Solodar , Shira Massas , Itai Savin , Itzik Klein

In this work we present a practical algorithm for calibrating a magnetometer for the presence of magnetic disturbances and for magnetometer sensor errors. To allow for combining the magnetometer measurements with inertial measurements for…

Systems and Control · Computer Science 2016-07-15 Manon Kok , Thomas B. Schön

ICP algorithms typically involve a fixed choice of data association method and a fixed choice of error metric. In this paper, we propose Hybrid ICP, a novel and flexible ICP variant which dynamically optimises both the data association…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Kamil Dreczkowski , Edward Johns

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

Inverse synthetic aperture radar (ISAR) images generated from single-channel automotive radar data provide critical information about the shape and size of automotive targets. However, the quality of ISAR images degrades due to road clutter…

Signal Processing · Electrical Eng. & Systems 2026-02-11 Devansh Mathur , Akanksha Sneh , Debojyoti Sarkar , Shobha Sundar Ram

This paper presents a new approach to accurately track a moving vehicle with a multiview setup of red-green-blue depth (RGBD) cameras. We first propose a correction method to eliminate a shift, which occurs in depth sensors when they become…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Abdenour Amamra , Nabil Aouf

Road surface classification (RSC) is a key enabler for environment-aware predictive maintenance systems. However, existing RSC techniques often fail to generalize beyond narrow operational conditions due to limited sensing modalities and…

Sparse wearable inertial measurement units (IMUs) have gained popularity for estimating 3D human motion. However, challenges such as pose ambiguity, data drift, and limited adaptability to diverse bodies persist. To address these issues, we…

Using multiple ion beam analysis measurements, or techniques, combined with self-consistent data processing, generally allows extracting more (or more accurate) information from the measurements than processing separately data from single…

Data Analysis, Statistics and Probability · Physics 2022-11-23 Tiago F. Silva , Cleber L. Rodrigues , Manfredo H. Tabacniks , Udo von Toussaint , Matej Mayer

State estimation is a critical foundational module in robotics applications, where robustness and performance are paramount. Although in recent years, many works have been focusing on improving one of the most widely adopted state…

Robotics · Computer Science 2024-05-24 Luqi Wang , Yang Xu , Shaojie Shen

Multimodal deep learning harnesses diverse imaging modalities, such as MRI sequences, to enhance diagnostic accuracy in medical imaging. A key challenge is determining the optimal timing for integrating these modalities-specifically,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Valerio Guarrasi , Klara Mogensen , Sara Tassinari , Sara Qvarlander , Paolo Soda

Accurate and robust initialization is essential for Visual-Inertial Odometry (VIO), as poor initialization can severely degrade pose accuracy. During initialization, it is crucial to estimate parameters such as accelerometer bias, gyroscope…

Robotics · Computer Science 2025-02-19 Changshi Mu , Daquan Feng , Qi Zheng , Yuan Zhuang

Recently, the progress in the radar sensing technology consisting in the miniaturization of the packages and increase in measuring precision has drawn the interest of the robotics research community. Indeed, a crucial task enabling autonomy…

Robotics · Computer Science 2026-02-05 Jan Michalczyk

We present a multi-camera visual-inertial odometry system based on factor graph optimization which estimates motion by using all cameras simultaneously while retaining a fixed overall feature budget. We focus on motion tracking in…

Robotics · Computer Science 2023-05-16 Lintong Zhang , David Wisth , Marco Camurri , Maurice Fallon

An automated vehicle operating in an urban environment must be able to perceive and recognise object/obstacles in a three-dimensional world while navigating in a constantly changing environment. In order to plan and execute accurate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Julie Stephany Berrio , Mao Shan , Stewart Worrall , Eduardo Nebot

The initial alignment provides an accurate attitude for SINS (strapdown inertial navigation system). By further estimating the IMU's bias and misalignment angle, the recursive Bayesian filter is accurate. However, the prior heading error…

Robotics · Computer Science 2023-06-07 Hanwen Zhou , Xiufen Ye

The problem of 3D high-resolution imaging in automotive multiple-input multiple-output (MIMO) side-looking radar using a 1D array is considered. The concept of motion-enhanced snapshots is introduced for generating larger apertures in the…

Signal Processing · Electrical Eng. & Systems 2024-12-02 Sen Yuan , Francesco Fioranelli , Alexander Yarovoy