Factor graphs for navigation applications: A tutorial

C Taylor, J Gross - NAVIGATION: Journal of the Institute of Navigation, 2024 - navi.ion.org
This tutorial presents the factor graph, a recently introduced estimation framework that is a
generalization of the Kalman filter. An approach for constructing a factor graph, with its …

Toward globally optimal state estimation using automatically tightened semidefinite relaxations

F Dümbgen, C Holmes, B Agro… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In recent years, semidefinite relaxations of common optimization problems in robotics have
attracted growing attention due to their ability to provide globally optimal solutions. In many …

On semidefinite relaxations for matrix-weighted state-estimation problems in robotics

C Holmes, F Dümbgen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In recent years, there has been remarkable progress in the development of so-called
certifiable perception methods, which leverage semidefinite, convex relaxations to find …

Certifiably correct range-aided SLAM

A Papalia, A Fishberg, BW O'Neill… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
We present the first algorithm to efficiently compute certifiably optimal solutions to range-
aided simultaneous localization and mapping (RA-SLAM) problems. Robotic navigation …

Certifiably optimal rotation and pose estimation based on the Cayley map

TD Barfoot, C Holmes… - The International Journal …, 2023 - journals.sagepub.com
We present novel, convex relaxations for rotation and pose estimation problems that can a
posteriori guarantee global optimality for practical measurement noise levels. Some such …

Safe and smooth: Certified continuous-time range-only localization

F Dümbgen, C Holmes… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
A common approach to localize a mobile robot is by measuring distances to points of known
positions, called anchors. Locating a device from distance measurements is typically posed …

G3reg: Pyramid graph-based global registration using gaussian ellipsoid model

Z Qiao, Z Yu, B Jiang, H Yin… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This study introduces a novel framework, G3Reg, for fast and robust global registration of
LiDAR point clouds. In contrast to conventional complex keypoints and descriptors, we …

SDPRLayers: Certifiable Backpropagation Through Polynomial Optimization Problems in Robotics

C Holmes, F Dümbgen, TD Barfoot - arXiv preprint arXiv:2405.19309, 2024 - arxiv.org
Differentiable optimization is a powerful new paradigm capable of reconciling model-based
and learning-based approaches in robotics. However, the majority of robotics optimization …

Continuous-time state estimation methods in robotics: A survey

W Talbot, J Nubert, T Tuna, C Cadena… - arXiv preprint arXiv …, 2024 - arxiv.org
Accurate, efficient, and robust state estimation is more important than ever in robotics as the
variety of platforms and complexity of tasks continue to grow. Historically, discrete-time filters …

HoloSLAM: A novel approach to virtual landmark-based SLAM for indoor environments

ES Lahemer, A Rad - Complex & Intelligent Systems, 2024 - Springer
In this paper, we present HoloSLAM which is a novel solution to landmark detection issues
in the simultaneous localization and mapping (SLAM) problem in autonomous robot …