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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…

机器人学 · 计算机科学 2022-05-31 Jongwon Lee , David Hanley , Timothy Bretl

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…

机器人学 · 计算机科学 2014-09-04 Yuanxin Wu

In this paper, we investigate how Joint Communication And Sensing (JCAS) can be used to improve the Inertial Measurement Unit (IMU)- based tracking accuracy of eXtended Reality (XR) Head-Mounted Displays (HMDs). Such tracking is used when…

Real-time tracking of inertia is important because it reflects the power system's ability to withstand contingencies and maintain frequency security. This paper proposes a practical approach to estimate inertia using ambient phasor…

系统与控制 · 电气工程与系统科学 2025-08-12 Anushka Sharma , Anamitra Pal , Rajasekhar Anguluri , Tamojit Chakraborty

Inertial-aided systems require continuous motion excitation among other reasons to characterize the measurement biases that will enable accurate integration required for localization frameworks. This paper proposes the use of informative…

机器人学 · 计算机科学 2022-09-13 Mitchell Usayiwevu , Fouad Sukkar , Chanyeol Yoo , Robert Fitch , Teresa Vidal-Calleja

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…

机器人学 · 计算机科学 2024-11-22 Keenan Burnett , Angela P. Schoellig , Timothy D. Barfoot

The paper presents a direct visual-inertial odometry system. In particular, a tightly coupled nonlinear optimization based method is proposed by integrating the recent advances in direct dense tracking and Inertial Measurement Unit (IMU)…

机器人学 · 计算机科学 2019-10-08 Wenju Xu , Dongkyu Choi , Guanghui Wang

Relative state estimation using exteroceptive sensors suffers from limitations of the field of view (FOV) and false detection, that the proprioceptive sensor (IMU) data are usually engaged to compensate. Recently ego-motion constraint…

机器人学 · 计算机科学 2023-08-16 Ruican Xia , Hailong Pei

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…

图像与视频处理 · 电气工程与系统科学 2026-03-03 Musa Tunc Arslan , Fatih Calakli , Joshua Auger , Hongli Fan , Alan J Macy , Simon K Warfield

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…

信号处理 · 电气工程与系统科学 2024-03-26 Zeev Yampolsky , Yair Stolero , Nitzan Pri-Hadash , Dan Solodar , Shira Massas , Itai Savin , Itzik Klein

With the rapid development of wearable technology, devices like smartphones, smartwatches, and headphones equipped with IMUs have become essential for applications such as pedestrian positioning. However, traditional pedestrian dead…

机器学习 · 计算机科学 2024-11-13 Lan Sun , Songpengcheng Xia , Junyuan Deng , Jiarui Yang , Zengyuan Lai , Qi Wu , Ling Pei

3D multi-object tracking (MOT) is an essential component for many applications such as autonomous driving and assistive robotics. Recent work on 3D MOT focuses on developing accurate systems giving less attention to practical considerations…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Xinshuo Weng , Jianren Wang , David Held , Kris Kitani

The estimation of uncertainty in robotic vision, such as 3D object detection, is an essential component in developing safe autonomous systems aware of their own performance. However, the deployment of current uncertainty estimation methods…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Matthew Pitropov , Chengjie Huang , Vahdat Abdelzad , Krzysztof Czarnecki , Steven Waslander

In this paper, a simultaneous localization and mapping (SLAM) algorithm for tracking the motion of a pedestrian with a foot-mounted inertial measurement unit (IMU) is proposed. The algorithm uses two maps, namely, a motion map and a…

机器人学 · 计算机科学 2022-03-31 Mostafa Osman , Frida Viset , Manon Kok

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…

计算机视觉与模式识别 · 计算机科学 2019-05-31 Hang Yan , Sachini Herath , Yasutaka Furukawa

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…

机器人学 · 计算机科学 2023-03-06 James Brotchie , Wenchao Li , Andrew D. Greentree , Allison Kealy

Model-based approaches to 3D hand tracking have been shown to perform well in a wide range of scenarios. However, they require initialisation and cannot recover easily from tracking failures that occur due to fast hand motions. Data-driven…

计算机视觉与模式识别 · 计算机科学 2015-10-28 Georg Poier , Konstantinos Roditakis , Samuel Schulter , Damien Michel , Horst Bischof , Antonis A. Argyros

In this paper, we propose a novel dynamic calibration method for sparse inertial motion capture systems, which is the first to break the restrictive absolute static assumption in IMU calibration, i.e., the coordinate drift RG'G and…

图形学 · 计算机科学 2025-06-13 Chengxu Zuo , Jiawei Huang , Xiao Jiang , Yuan Yao , Xiangren Shi , Rui Cao , Xinyu Yi , Feng Xu , Shihui Guo , Yipeng Qin

In this paper we present a new approach for marker less human motion capture from conventional camera feeds. The aim of our study is to recover 3D positions of key points of the body that can serve for gait analysis. Our approach is based…

人工智能 · 计算机科学 2007-05-23 Jamal Saboune , François Charpillet

In many robotics and VR/AR applications, fast camera motions lead to a high level of motion blur, causing existing camera pose estimation methods to fail. In this work, we propose a novel framework that leverages motion blur as a rich cue…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Jerred Chen , Ronald Clark